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515 Cards in this Set
- Front
- Back
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A user’s laptop is unable to keep a stable network connection. Which of the following measures
would MOST likely need to be configured? A. SSID name B. WAP encryption strength C. WAP radio power D. Channel overlay |
WAP Radio Power
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The Network Interface Layer of the TCP/IP model corresponds to which of the following layers of
the OSI model? (Select TWO). A. Network B. Session C. Transport D. Physical E. Data link |
Physical
Data Link |
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What is the Network Layer responsible for?
A. Packet forwarding, including routing through intermediate routers. B. VLAN Assignments C. Media access control, flow control and error checking D. Assigning IP addresses to network assets |
Packet forwarding, including routing through intermediate routers.
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What is the Data Link Layer responsible for?
A. Packet forwarding, including routing through intermediate routers. B. VLAN Assignments C. Media access control, flow control and error checking D. Assigning IP addresses to network assets |
Media access control, flow control, and error checking
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On which layer of the OSI model is MAC addressing to be found?
A. Network B. Application C. Data Link D. Transport |
Data Link
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Several users from Finance report that they are able to access the Internet, but can't connect to Financial apps. The network technician is unable to ping the
finance server. The technician checks the switch and determines that Internet access is working. Which of the following is a possible cause of the access issues? A. Faulty cable B. Remote management disabled C. Improper VLAN assignment D. Mismatched duplex |
Improper VLAN assignment
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A technician needs to ensure that traffic from a specific department is separated within several
switches. Which of the following needs to be configured on the switch to separate the traffic? A. Duplex settings B. SNMP string C. VLAN assignments D. Spanning tree |
VLAN assignments
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Given a subnet mask of 255.255.255.0, how many usable IP addresses would be in that subnet?
A. 250 B. 254 C. 255 D. 256 |
254
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On which OSI model layer would a MAC address be used?
A. Network B. Data Link C. Transport D. Physical |
Data Link
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Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe
is unable to access the Internet. Which of the following is the cause of this issue? A. Faulty GBIC B. Faulty SFP C. Cable is a crossover D. VLAN mismatch |
VLAN mismatch
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A network technician is troubleshooting signal problems with certain WAPs in an office and finds
consistently high ping times across the units. Such an issue is called? |
Latency
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The OSI Presentation Layer maps to the ____________ layer on the TCP/IP model.
A. Network B. Data Link C. Application D. Physical |
Application
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A customer wants to keep cost to a minimum and has only ordered a single static IP address from
the ISP. Which of the following must be configured on the router to allow for all the computers to share the same public IP address? A. VLANs B. PoE C. PAT D. VPN |
PAT--Port address translation
PAT multiple devices on a LAN mapped to a single public IP address |
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Which LAN technology is used to provide a maximum bandwidth of 1Gbps through singlemode fiber?
A. 10GBaseLR B. 100BaseFX C. 100BaseTX D. 1000BaseX |
1000BaseX
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Which property of DHCP would a technician use to ensure an IP address is not
leased out from the active scope? A. Reservations B. Lease times C. Removing IPs from the active leases D. Configuring the DNS options |
Reservations.
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Spanning Tree Protocol is used with which network devices?
A. Router B. NIC C. Switch D. DHCP server |
Switches
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A technician wants to separate networks on a switch. Which of the following should be configured
to allow this? A. VLAN B. Trunking C. Spanning tree D. Traffic filtering |
VLAN
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A user wants to connect 7 PCs together for a game night. Which should use install to help with this task?
A. Media convertor B. Switch C. Firewall D. Bridge |
Switch
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What defines the amount of time a host retains a specific IP address before it is renewed or released?
A. DHCP lease B. DNS suffix C. Subnet mask D. DHCP reservation |
DHCP Lease
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Users are reporting that some internet websites are not accessible anymore. What woudl allow the network administrator to isolate the remote router that is causing the network communication issue so that it can be reported to the responsible party?
A. Ping B. Protocol analyzer C. Tracert D. Dig |
Tracert
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Ann, a new user, has a workstation that has connectivity to the printer located in her department,
but cannot access the Internet. The result of an ipconfig command on Ann’s workstation is as follows: IP address: 192.168.0.124 Subnet Mask: 255.255.255.128 Default Gateway: 192.168.0.254 Which is MOST likely preventing the user from accessing the Internet? A. Duplicate IP address B. Incorrect gateway C. Incorrect VLAN D. Bad switch port |
Incorrect gateway
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What is the common port for IMAP?
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143
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Which network protocol is used to resolve FQDNs to IP addresses?
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DNS
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Which network protocol is used to transport email between servers?
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SMTP (Simple Mail Transfer Protocol)
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Ann, a technician, installs a new WAP and users are able to connect; however, users cannot
access the Internet. Which of the following is the MOST likely cause of the problem? A. The signal strength has been degraded and latency is increasing hop count. B. An incorrect subnet mask has been entered in the WAP configuration. C. The signal strength has been degraded and packets are being lost. D. Users have specified the wrong encryption type and routes are being rejected |
An incorrect subnet mask has been entered into the WAP configuration
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Users have reported issues accessing an Internet website. The network technician wants to verify
network layer connectivity. Which tool can provide the verification? |
Ping
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Which is the fastest Ethernet technology?
A. 10GBaseSR B. 10BaseT C. 100BaseFX D. 1000BaseT |
10GBaseSR
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Network upgrades have been completed and the WINS server was shutdown. It was decided that
NetBIOS network traffic will no longer be permitted. Which of the following will accomplish this objective? A. Content filtering B. Port filtering C. MAC filtering D. IP filtering |
Port filtering
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Companies trying to cut down on constant documentation of IP addresses could use which of the following?
A. Longer lease times B. More reservations C. Larger scopes D. Dynamic IP addressing |
Dynamic IP addressing
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Which DHCP property defines the size of the pool of available IP addresses?
A. Options B. Scope C. Leases D. Reservations |
Scope
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Which of the following protocols works at the LOWEST layer of the OSI model?
A. L2TP B. PPTP C. ISAKMP D. IPSec |
L2TP
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An employee connects to a work computer from home via the built-in Windows remote desktop
connection. Which of the following is MOST likely being used to establish the connection? A. RDP B. RTP C. RIP D. RAS |
RDP
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Discover, Offer, Request, and Acknowledge are the steps for which of the following protocols?
A. DNS B. DOS C. DHCP D. DSL |
DHCP
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Which of the following commands displays the routing table on a server or workstation?
A. nbtstat B. route C. traceroute D. nmap |
Route
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At which of the following layers of the OSI model does ASCII work?
A. Session B. Transport C. Presentation D. Application |
Presentation
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What protocol uses Port 23 by default?
A. TELNET B. IMAP C. FTP D. SNMP |
TELNET
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What is the term for assigning the same IP address to a network device?
A. SSID B. Scope C. Reservation D. Lease |
Reservation
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At which of the following layers do frames exist? (Select two)
A. OSI model Data link layer B. TCP/IP model Network Interface layer C. OSI model Physical layer D. OSI model Network layer E. TCP/IP model Internet layer |
OSI Data Link Layer
TCP/IP Network Interface Layer |
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A user is unable to access any network resources. The IP configuration of the workstation is as
follows: IP Address: 192.168.10.32 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.10.46 Which of the following would allow the user to connect to network resources? A. Change the default gateway to 192.168.10.1 B. Change the default gateway to 192.168.10.254 C. Change the IP address to 192.168.10.31 D. Change the IP address to 192.168.10.33 |
Change the IP address to 192.168.10.33
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Which DNS record is used to identify a domain's SMTP server?
A. CNAME B. PTR C. MX D. A |
MX
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Which of these TCP ports are used by FTP? (Choose two)
A. 20 B. 21 C. 22 D. 23 E. 25 F. 80 |
20, 21
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Which of the following protocols is most commonly used for the transfer of router configuration files?
a. SSL b. TFTP c. DNS d. IMAP |
TFTP
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Which protocol resoves IP addresses to MAC addresses?
A. DNS B. ARP C. RARP D. NTP |
ARP
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Which of the following port numbers is used for SNMP?
A. 61 B. 151 C. 161 D. 1611 |
161
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What does a DNS server do?
A. Hosts proprietary business applications B. Translates FQDN’s to IP addresses C. Provides network IDS/IPS security D. Assigns IP addresses to network devices |
Translates FQDNs to IP addresses
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Which of the following features can best be used to facilitate authorized remote access to a network?
A. VPN concentrator B. Proxy server C. Content filter D. Load balancer |
VPN Concentrator
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Which of the following is a Class A IP address?
A. 10.4.0.1 B. 169.254.0.1 C. 192.168.0.1 D. 254.200.0.1 |
10.4.0.1
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A network where all traffic feeds through a centralized gateway uses which topology?
A. Peer-to-peer B. Ring C. Bus D. Star |
Star
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In order to limit the number of dynamic addresses of host on a network, you can implement __________________
A. Scope options B. Leases C. Reservations D. DNS suffixes |
Reservations
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Which of the following IP address/subnet mas combinations represents a broadcast address? (Choose 2)
A. 200.200.100.0/28 B. 200.200.100.32/27 C. 200.200.100.63/27 D. 200.200.100.79/27 E. 200.200.100.95/27 F. 200.200.100.254/30 |
200.200.100.63/27
200.200.100.95/27 |
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Which of the following networking devices can exist at several layers of the OSI model at the same
time? (Select TWO). A. Switch B. Cable C. Repeater D. Router E. Bridge F. Hub |
Switch and Router
A multilayer switch and router work from OSI Layer 2, 3, or 4 to IP DSCP and/or VLAN IEEE 802.1p |
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Which of the following is a path vector routing protocol?
RIP EIGRP ISIS OSPF BGP |
BGP Border Gateway Protocol
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Which of the following routing protocols utilizes the DUAL algorithm for determining best path?
A. EIGRP B. RIPv2 C. OSPF D. RIP |
EIGRP (Enhanced Interior Gateway Routing Protocol)
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Network Interface layer of the TCP/IP model corresponds with which layers of the OSI model?
A. Transport layer B. Network layer C. Session layer D. Physical layer E. Presentation layer F. Data link layer |
Physical and Data Link
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DHCP is best defined by the following statement:
A. DHCP is utilized to dynamically lease IP addresses to hosts. B. DHCP is utilized to statically lease IP address to hosts. C. DHCP is utilized to permanently lease IP address dynamically to hosts. D. DHCP is utilized to permanently lease IP address statically to hosts. |
DHCP is utilized to dynamically lease IP addresses to hosts.
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Multiple servers’ IP addresses fall within the DHCP scope assigned by the administrator.What should the administrator create to ensure these static IP addresses are not assigned to
workstations? A. The administrator should create exclusions for the workstations IP addresses. B. The administrator should change the servers to utilize DHCP to obtain IP addresses. C. The administrator should change the workstations to utilize static IP addresses. D. The administrator should create exclusions for the servers IP addresses |
Exclusions for the servers IP addresses
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The APIPA address 169.254.10.123 falls into which class of addresses?
A. A B. B C. C D. D |
B
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A technician replaces a failed router in an office with the same model unit using the default settings. After the installation, the technician reboots all of the PCs and servers. Upon reboot some of the PCs are receiving IP addresses on the same subnet as the new router; other PCs are receiving addresses on the same subnet as the servers. Which of the following most likely
describes the issue? A. The DHCP lease pool was not large enough B. DHCP lease times were set too low C. The router is not the only DHCP server D. DHCP was not enabled on the replacement router |
The router is not the only DHCP server
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Which OSI layer handles compression such as LZMA or DEFLATE?
A. Layer 3 B. Layer 5 C. Layer 6 D. Layer 7 |
Layer 6 (Presentation Layer)
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Which of the following provides secure access to a network device?
a. SNMPv2 b. FTP c. RSH d. SSH |
SSH
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Which of the following uses distance vector algorithms to determine the best network route to a destination address?
a. IS-IS b. OSPF c. BGP d. RIP |
RIP
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Which of the following uses classless subnet masks across a network?
A. Subnetting B. CIDR C. Supernetting D. Summarization |
CIDR
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Enterprise IP routing policy is most clearly depicted in which of the following configuration management documents?
A. Logical network diagrams B. Physical network diagrams C. Wiring schematics D. Group security role assignments |
Logical Network Diagrams
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While working on a PC, a technician notices 0.0.0.0 in the routing table. Which of the following
does this indicate? A. It is the default route. B. This is the address for the DHCP server. C. The PC has not been assigned an IP address. D. The firewall is down. |
It's the default route
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If a NIC doesn't have a link light, which OSI layer is the failure at?
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Physical
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Which OSI layers allow users to access network services such as file sharing?
A. Layer 1 B. Layer 3 C. Layer 4 D. Layer 7 |
Layer 7--The Application layer
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Which of the following can function in an unsecure mode?
A. SNMPv3 B. SSH C. SSL D. SCP |
SNMPv3
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Which of the following is used to register and resolve IP addresses wiht their plain language equivalents?
a. Proxy server b. DNS server c. Brouter equipment d. DHCP server |
b. DNS server
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Which switch feature allows for both incoming and outgoing data across physical ports at the same time?
A. Burst-frame B. Full-duplex C. Half-duplex D. VoIP |
Full duplex
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Which of the following is a common physical network topology?
A. Cross-over B. Loopback C. Star D. Straight |
Star
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Which of the following is always true when a router selects a destination?
A. The default gateway is selected over any other static or dynamic route. B. The shortest route is always selected. C. The most specific route is selected over the default gateway. D. A dynamic route is selected over a directly attached network. |
The most specific route is selected over the default gateway
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A proxy server would MOST likely be installed to provide which of the following functions? (Select
TWO). A. Combined DNS and DHCP hosting B. Encryption C. Content filtering D. Fault tolerance E. Website caching |
Content filtering
Website caching |
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Which of the following would the telecom carrier use to segregate customer traffic over long fiber links?
A. VLAN B. MPLS C. VPN D. PSTN |
MPLS
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SMTP traffic is being blocked by the company firewall. Which port should be opened?
A. 25 B. 53 C. 110 D. 443 |
25
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Which network topologies would be separated into two networks if a client in the middle is removed or the cable is cut?
A. Mesh B. Ring C. Bus D. Star |
Bus
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Which of the following is an example of a Class C address?
A. 10.19.0.79 B. 127.34.8.197 C. 176.96.1.222 D. 192.168.1.105 |
192.168.1.105
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Which of the following standards can operate at either 20MHz or 40MHz channel spacing?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
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The tech has just upgraded a switch. The new switch’s IP range and subnet mask correctly match other network devices. The techcannot ping any device outside of the switch’s own IP subnet. The previous switch worked correctly with the same settings. Which of the following is MOST likely the problem?
A. The proxy server is set incorrectly. B. The Ethernet cable is pinched. C. The network gateway is set incorrectly. D. The IP address is set incorrectly. |
The network gateway is set incorrectly.
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Joe has a small office and is looking to replace his phone system with a lower cost solution that
requires minimal in-house support. Which of the following is the BEST choice? A. Wide Area Network B. NAT C. Virtual PBX D. Virtual LAN |
Virtual PBX
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Which of the following performance optimization techniques would be MOST beneficial for a
network-wide VoIP setup? (Select TWO). A. Proxy server B. Traffic shaping C. Caching engines D. Load balancing E. Quality of service |
Traffic shaping:
QoS: Prioritizes certain types of traffic |
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A customer has requested a solution using multiple WAPs for wireless access. Which of the
following should be different on each WAP to prevent wireless problems? A. Firewalls B. VLANs C. Channels D. Antenna types |
Channels
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Which of the following wireless standards has a MAXIMUM transfer rate of 11Mbps?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11b
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A network technician needs to configure a port on a switch to provide connectivity and electrical
support to a WAP being installed in a warehouse. Which of the following features needs to be configured on the switch? A. STP B. PoE C. VTP trunking D. Port forwarding |
Power over Ethernet (PoE)
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The network support team is constantly getting calls from users in a specific area of an office
building. The users are able to connect to the office wireless network, but they sometimes disconnect or experience very slow download speeds. Which of the following is MOST likely the problem? A. Incorrect service set identifier B. Low signal strength or interference C. Incorrect encryption scheme D. Incorrect IP address or subnet mask |
Low signal strength or interference
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A technician needs multiple networks, high speeds, and redundancy on a system. Which of the
following configurations should be considered for these requirements? (Select TWO). A. Routing table B. Next hop C. Port mirroring D. Port monitoring E. VLANs |
Port mirroring
VLANs |
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A user reports that some normally accessible external sites are not responding, but most other
sites are responding normally. Which of the following is MOST likely the cause? A. VLAN tag mismatch B. Wrong subnet mask C. Smurf attack D. Faulty routing rule |
Faulty routing rule
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During a disaster recovery test, several billing representatives need to be temporarily setup to take
payments from customers. It has been determined that this will need to occur over a wireless network, with security being enforced where possible. Which of the following configurations should be used in this scenario? A. WPA2, SSID enabled, and 802.11n. B. WEP, SSID enabled, and 802.11b. C. WEP, SSID disabled, and 802.11g. D. WPA2, SSID disabled, and 802.11a. |
WPA2, SSID disabled and 802.11a
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Which of the following wiring distribution types, often found in company closets, is used to connect
wiring from individual offices to the main LAN cabling? A. MDF B. 66 block C. IDF D. Patch panel |
Patch Panel
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What is the difference between 802.11b and 802.11g?
A. Distance B. Frequency C. Speed D. Transmission power |
Speed
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Which of the following connectors is usable in SFP modules?
A. ST B. LC C. LX D. SX |
LC
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A user reports that several spots within the company’s office have intermittent connectivity issues
with the newly installed wireless network. There are several WAPs located around the office to provide a strong signal wherever the users are. Which of the following is the MOST likely cause of the problem? A. Incompatible network card B. Channel overlap C. Latency D. WEP encryption |
Channel overlap
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Bob is having problems connecting to a wireless network in a shared office space. Bob can detect several other wireless network signals. All of the wireless networks have different SSIDs but several are using the same encryption type. Which of the following should be configured on Bob’s wireless network to improve connectivity to the wireless network?
A. Change the SSID to match other wireless networks for increased throughput. B. Change the encryption type to a different mechanism to avoid interference. C. Change the channel to a different channel than the other wireless networks. D. Change the WAP to a different manufacturer than the other wireless networks. |
Change the channel to a different channel than the other wireless networks
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A tech is setting up a WAP that would only allow a certain laptop to access it. By using ACL, which of the following would be filtered to ensure that only the authorized laptop can access the WAP?
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Mac address filtering.
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Which of the following is the BEST way to prevent new users from connecting to a wireless access
point, but still allow already connected users to continue to connect? A. Create a MAC filter containing the current users. B. Turn off SSID broadcast. C. Change the encryption type to AES 256-bit for current users. D. Reduce the signal strength to 0 percent |
Create a MAC filter containing the current users
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A network administrator is tasked with deploying a company-wide wireless system which allows for
accurate tracking of employees’ wireless device locations via WAP triangulation. Which of the following is the MOST important aspect of the deployment? A. WAP placement B. TX/RX channel C. Signal strength D. Transmission power |
WAP Placement
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A network administrator needs to implement a monitoring tool and be able to send log information
to a server and receive log information from other clients. Which of the following should be implemented? (Select TWO). A. SNMP B. Network sniffer C. Syslog D. System log E. History log |
A. SNMP
C. SYSLOG |
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A network administrator must ensure that both the server and the client are authenticated to the wireless system prior to access being granted. Which of the following should be implemented to meet this requirement?
A. EAP-PEAP B. MAC ACL C. EAP-TTLS D. MS-CHAPv2 |
EAP-TTLS
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A technician has low signal strength connecting two wireless bridges. Which of the following could
be the problem? A. Low PoE wattage B. Opposing antenna polarizations C. Short distance between antennas D. WPA 2 encryption |
Opposing antenna polarizations
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Which of the following is a terminal emulator used to manage a network device?
A. VPN B. IDS C. PuTTY D. IPS |
PuTTY
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A network administrator suspects a broadcast storm is causing performance issues on the
network. Which of the following would be used to verify this situation? A. Environmental monitor B. Multimeter C. Toner probe D. Protocol analyzer |
Protocol Analyzer
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Bob is installing network cables for an office building. Some of the cables are not showing active on the switch even when moved to different ports. Which of the following is the most likely explanation?
A. Port speed mismatch B. Faulty F-connectors C. Bad wiring D. Bad switch |
Bad wiring
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After a new user moves furniture into a cubicle, the computer does not connect to the network any
longer. Which of the following would be the MOST likely reason? (Select TWO). A. Bad Ethernet switch port B. TX/RX reversed C. Bad connectors D. Bad patch cable E. Mismatched MTU |
Bad connectors
Bad patch cable |
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Which of the following performance benefits would multiple domain controllers BEST provide?
A. Fault tolerance B. Caching engine C. Proxy server D. Quality of service |
Fault tolerance
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After Bob added a new workstation and cabling to the network, users report that the network is very slow. The activity lights on all the switches are blinking rapidly, showing large amounts of traffic. What's the best explanation?
A. The new user is downloading large files. B. The router failed, flooding the network with beacons. C. The new user’s IP address is a duplicate. D. A switching loop was created. |
Switching Loop
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A company has recently allowed its employees to telecommute two days a week. The employees
MUST have a minimum of 1Mbps non-shared connection to the Internet. Which of the following MUST the employees have at their home in order to connect to the Internet? A. ISDN B. Cable modem C. DSL D. Dial-up networking |
DSL
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Some visitors are unable to access the wireless network. The network’s wireless infrastructure is
comprised of three different buildings with the configurations listed below. Wireless network in Building A and C is used exclusively for internal employees and Building B is used for visitors and requires no additional configuration on their devices. Which of the following settings would need to be modified to provide wireless access to all visitors? Building ABuilding BBuilding C Channel: 2Channel: 6Channel: 11 Encryption: WPA2Encryption: WPA2Encryption: WPA2 A. Encryption set to Open in all Buildings B. Encryption set to Open in Building B C. Encryption set to WEP in Building B D. Channel set to 11 in Building B |
Encryption set to open in building B.
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Some employees are unable to maintain a wireless network connection. The network’s wireless
infrastructure is comprised of three different buildings with the configurations listed below. Wireless network in Building A and C is used exclusively for internal employees and Building B is used for visitors and requires no additional configuration on their devices. Which of the following settings would need to be modified to provide the BEST wireless experience for all employees as they move between buildings? Building ABuilding BBuilding C Channel: 1Channel: 6Channel: 11 Encryption: WPA2Encryption: OpenEncryption: WPA2 SSID. CorpSSID. GuestSSID. Sales CompTIA N10-005 Exam "Pass Any Exam. Any Time." - www.actualtests.com 49 A. Change Channel in Building B to 7 B. Change Encryption in Building B to match A and C C. Change Channel in Building C to 1 D. Change SSID in Building C to match Building A |
Change SSID in Bulding C to match Building A.
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Tech has to install a wireless network in Bob's home. Which of the following should Tech consider when implementing the network (select 2)
A. That there is strong encryption enabled and configured on the access point. B. The user’s home network has a correctly completed WHOIS entry. C. The access point is broadcasting the SSID based upon manufacturer’s standards. D. There are no conflicts of channels in use by neighboring wireless networks. E. There are redundant internal DNS names set in the access point’s settings. F. That the access point’s MAC address is properly set in its configuration settings. |
That there is strong encryption enabled and configured on the access point
There are no conflicts of channels in use by neighboring wireless networks |
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A technician working for a company with a wireless network named WirelessA notices a second
wireless network named WirelessB. WirelessB is MOST likely a: A. man-in-the-middle attack B. rogue access point C. evil twin D. packet sniffer |
Rogue access point
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A user cannot access the LAN after working successfully most of the day. Which of the following
should the network administrator check FIRST? A. VLAN settings B. History logs C. Patch cable D. Port security |
Patch cable
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Which of the following can be used to limit wireless network access to a single computer?
A. Configure PPP B. Packet sniffing C. MAC address filtering D. Omni-directional antennas |
MAC address filtering
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A small business owner is setting up a SO/HO office. The business owner needs one device that
will allow for Internet access, trunk VLANs, translate multiple private IP addresses into public IP addresses, and filter packets. Which of the following network devices will allow for all functions? A. A VPN concentrator B. A switch C. A router D. A firewall |
Router
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A Linux-based workstation is unable to connect to an IP printer on the same network segment.
The printer IP address settings have been verified. How would a network technician verify IP address settings on the Linux-based workstation? A. Run the dig command on the workstation. B. Run the nslookup command on the workstation. C. Run the ipconfig command on the workstation. D. Run the ifconfig command on the workstation. |
Run the ifconfig command.
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Users have been stating that they need to logon to too many applications and web apps with different credentials that use different rule sets. Which of the following would BEST address these
concerns? A. Alter the domain account login policies to reflect the most common application rule sets. B. Ensure that the user accounts are properly configured in domain services. C. Implement a software solution that facilitates single sign-on authentication. D. Increase the time between mandatory password changes by a factor of three. |
Implement a SSO solution.
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A network consultant arrives at a customer’s site to troubleshoot their email server. The server is
running a Linux operating system, but the consultant is only familiar with Windows operating systems. Which of the following troubleshooting steps should the consultant take? A. Document findings B. Identify the problem C. Escalate the problem D. Establish a plan of action |
Escalate the problem
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A network administrator is adding 24 - 802.3af class 2 VoIP phones and needs to purchase a
single PoE switch to power the phones. Which of the following is the MINIMUM PoE dedicated wattage the switch supports to power all of the phones at full power? A. 96W B. 168W C. 240W D. 369.6W |
168W
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Ann, a client, shares half of a rectangular floor plan with another company and wishes to set up a secure wireless network. The installed antenna limits the signal to her half of the floor. Through analysis, the frequency and channels of surrounding wireless networks have been determined and configuration changes made accordingly. Which of the following would be the NEXT step in setting up this secure wireless network?
A. Decrease signal strength on the antenna B. Change the wireless channel on the WAP C. Change the device placement to further obfuscate the signal D. Set up encryption on the WAP and clients |
Set up encryption on the WAP and clients
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Bob is reviewing the following aggregated information on a server to determine the cause of a user's connective problem:
Facility Severity Mnemonic Message FW1 4 FPD Packet discarded AP2 7 AUTH User disassociated SW1 7 PUPD Pt chgd up to down What is the tech reviewing? |
Syslog server logs
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When a packet that is entering a switch port is encapsulated, which of the following is the switch performing?
A. 802.1q B. Collision avoidance C. Port mirroring D. STP |
802.1q
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A technician has been dispatched to investigate an issue where several users in the same aisle
have stated they have had no network connection for over an hour. When the technician gets there, the network seems to be up and running. Which of the following should the technician do NEXT? A. Ask the users for more information, such as which applications were not functioning. B. Power-cycle the switch that the users share to clear out cached DNS records. C. Escalate the issue to the network administrator to have their domain credentials reset. D. Close and document the service call, as there was no actual issue affecting the users. |
Ask the users for more information, such as which applications were not functioning.
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A technician has been dispatched to investigate connectivity problems of a recently renovated
office. The technician has found that the cubicles were wired so that the network cables were run inside the conduit with the electrical cabling. Which of the following would MOST likely resolve the connectivity issue? A. Power-cycle the computers and switches to re-establish the network connection. B. Re-run the network cabling through the ceiling alongside the lights to prevent interference. C. Test the wiring in the network jacks for faults using a cable verifier. D. Re-run the network cabling so that they are 12 inches or more away from the electrical lines. |
re-run the cables at least a foot from the electrical lines.
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A company is looking for the simplest solution to help prioritize VoIP traffic on its congested
network. Which of the following would BEST accomplish this? A. MPLS B. Caching engines C. QoS D. Load balancing |
QoS
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A technician has received a trouble ticket from a user who has intermittent wireless access.
Moving the computer farther from the WAP results in a more stable connection. Which of the following is MOST likely the cause of this instability? A. Wrong encryption type B. SSID mismatch C. Signal bounce D. Incorrect channel |
Signal bounce
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Which of the following protocols is MOST commonly associated with VoIP?
A. LDAP B. HTTPS C. SIP D. SCP |
SIP
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Which of the following commands will provide an administrator with the number of hops a packet
takes from host to host? A. nslookup B. ping C. traceroute D. route |
traceroute
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Which of the following is needed when using WPA2-Enterprise wireless encryption?
A. TFTP B. RADIUS C. LDAP D. IPSec |
RADIUS
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Bob has a network with a mix of old and new equipment. Which of the following settings woudl dynamically configure whether to use full or half duplex?
A. Transmission speed B. Frequency C. Auto-negotiate D. Distance |
Auto-negotiate
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Which of the following can MOST likely cause intermittent connection problems with a CAT5
network cable? A. Cable has been looped too many times. B. Cable has a twist tie attached too close to the connector. C. Cable is too warm. D. Cable is run too close to a fluorescent light. |
Cable is run too close to a fluorescent light
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Which of the following is an example of a CSMA/CD medium?
A. WEP B. SONET C. Token ring D. Ethernet |
Ethernet
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Which of the following copper cable types should be chosen to run gigabit speeds through a dropped ceiling that returns airflow?
A. Non-Plenum CAT5 B. Non-Plenum CAT5e C. Plenum CAT5 D. Plenum CAT5e |
Plenum CAT5e
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Which of the following components of wiring distribution is referred to as the core communications
closet for an organization? A. MDF B. Smart jack C. IDF D. Demarc extension |
MDF
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Users notice a problem with their network connectivity when additional lights are turned on. Which
of the following would be the cause for this problem? A. DDOS B. Cross talk C. Open short D. EMI |
EMI
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Management wants to be sure that the existing wiring infrastructure conforms to CAT5e standards.
Which of the following is the correct tool? A. Cable certifier B. Cable tester C. OTDR D. Protocol analyzer |
Cable certifier
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In contrast to earlier Wi-Fi speeds, which of the following BEST describes the antenna and
channelization properties used in 802.11n? A. MIMO, DSSS B. MIMO, OFDM C. CSMA, DSSS D. CSMA, CDMA |
MIMO, OFDM
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A CAT5e network cable run needs to be installed over fluorescent lighting arrays in an office
building. Which of the following cable types would be BEST suited for such an installation? A. UTP B. Plenum C. Coaxial D. STP |
STP
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Which of the following wireless standards provide speeds up to 150Mbps?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
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Which of the following defines a rack located in an office building between the main rack and other
office equipment? A. DSU B. MDF C. CSU D. IDF |
IDF
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The ISP needs to terminate the WAN connection. The connectino shoudl be located in the network server room where the company LAN equipment resides. Which of the following identifies the location?
A. Smart jack B. MDF C. VPN D. 66 block |
MDF
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The CEO decided that only a limited number of authorized company workstations will be able to connect to the Internet. Which of the following would best accomplish this goal?
A. Use content filtering B. Install and configure IDS C. Enable MAC address filtering D. Enable RAS on the network firewall |
Enable MAC address filtering
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Multiple computers are connected to a hub near a wall plate. In order to get to the computers,
students step on and around the cable that connects the teacher’s station, a few feet away, to the same hub. The teacher is experiencing no network connectivity. Which of the following is MOST likely the problem? A. Cross-talk B. Split cables C. Distance D. EMI |
Split cables
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Which of the following network topologies describes a network where each node is connected to
every other node? A. Bus B. Star C. Mesh D. Ring |
Mesh
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Which of the following supports faster wireless broadband speeds?
A. Satellite B. Wi-MAX C. ISDN D. OC-3 |
Wi-MAX
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Bob wants to confine his wireless network to devices only inside his house. Which of the following will accomplish this?
A. Decreasing radio strength B. MAC filtering C. WEP encryption D. SSID broadcast disable |
Decreasing radio strength
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Which of the following WAN technologies has the HIGHEST latency?
A. ADSL B. LTE C. Satellite D. WiMAX |
Satellite
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Which of the following connectors are MOST commonly used on a POTS line?
A. RJ-45 B. MTRJ C. DB-9 D. RJ-11 |
RJ-11
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Which of the following cable types is required to run through an air duct?
A. UTP B. Fiber C. PVC D. Plenum |
Plenum
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Which of the following technologies can cause interference for 802.11g?
A. RADAR B. 802.11a C. IrDA D. Bluetooth |
Bluetooth
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Which of the following reduces the deployment cost of a wireless LAN?
A. WPA B. 802.1x C. MIMO D. PoE |
Power over Ethernet
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Which of the following is the MAXIMUM rated speed for CAT5 cabling?
A. 10Mbps B. 100Mbps C. 1000Mbps D. 10Gbps |
100 Mbps
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Which of the following connector types would be found with a VoIP system utilizing CAT6 cabling?
A. SC B. RJ-45 C. RJ-11 D. BNC |
RJ-11
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A technician notices a newly installed CAT5 cable is longer than the standard maximum length.
Which of the following problems would this MOST likely cause? A. Split cable B. EMI C. DB loss D. Crosstalk |
DB loss
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Which of the following could be installed to allow a home user with one desktop computer to
economically have Internet access in every room in the house? A. Fiber optic B. CAT6 C. Broadband over powerline D. CAT5 |
BPL (Broadband over Powerline)
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Which of the following 802.11 standards transmits the signals the GREATEST distance?
A. a B. b C. g D. n |
802.11n
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Which of the following fiber types is MOST often used indoors?
A. Plenum B. Modal conditioning C. Multimode D. Singlemode |
Multimode
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Users are reporting wired connectivity drops in a new office with brand new CAT6 infrastructure.
Which of the following tools should a technician use to BEST troubleshoot this issue? A. OTDR B. Protocol analyzer C. Toner probe D. Cable certifier |
Cable certifier
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Which of the following wireless technologies only uses the 5GHz spectrum but reaches a
theoretical throughput of only 54Mbps? A. A B. B C. G D. N |
802.11a
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Which of the following WAN technology types has the GREATEST latency?
A. ISDN B. Fiber C. Satellite D. Cable |
Satellite
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Multiple networked devices running on the same physical hardware that provide central access to
applications and files, where each device runs as a piece of software are known as: A. Virtual desktops. B. Switches. C. PBXs. D. Virtual servers. |
Virtual Servers
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Which of the following is the Telco end of a T1 demarc?
A. Smart jack B. Network tap C. Proxy server D. IDF |
Smart jack
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The network administrator installed a new dipole antenna that extends 100 feet (30.48 meters)
from the existing AP. All components are correct, functional, and installed properly. However, during validation, there is a very weak signal coming from the antenna. Which of the following is the MOST likely cause of the issue? A. The installation exceeds the link limitations B. The antenna is mounted for vertical polarization C. The dBi output of the antenna is too low D. The radio is too powerful for the installation |
The installation exceeds the link limitations
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Which of the following WAN technologies uses an analog phone line to transmit data?
A. LTE B. DSL C. Satellite D. Cable |
DSL (Direct subscriber line)
lines. |
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A newly hired technician is sent to an alternate site to complete the build out of large scale LAN.
Which of the following tools should the technician have on hand to install the bulk CAT6 cable? (Select TWO). A. Loopback plug B. Multimeter C. OTDR D. Crimper E. Cable tester F. TDR |
Crimper
Cable tester |
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802.11n can operate at which of the following frequencies? (Select TWO).
A. 2.4Mhz B. 2.5Mhz C. 5Mhz D. 2.4Ghz E. 2.5Ghz F. 5Ghz |
2.4 Ghz
5 Ghz |
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Which of the following connector types are used in terminating singlemode fiber cables? (Select
TWO). A. LC B. F-connector C. DB-9 D. BNC E. RJ-11 F. SC |
LC
SC |
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Which of the following cable types supports the FURTHEST distance when connecting various
MDFs? A. Multimode B. UTP C. Singlemode D. CAT6 |
Single-mode optical fiber
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Which of the following would be used to connect a singlemode fiber cable to a CAT6 connection?
A. Media converter B. T1-crossover C. Multimode cable D. Coaxial |
Media converter
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A small office client is requesting a network redesign. Both wired and wireless devices must
connect to the network. All of the wireless devices can communicate using the latest standards. The building has a long courtyard in the middle with reinforced walls, which extends up through all the floors. The distance from the switch to the furthest drop is 88 meters. Which of the following is the correct network redesign choice? A. Fiber optic cabling is necessary due to distance limitations. B. The wireless network should be 802.11b due to equipment limitations. C. One WAP will be sufficient to provide wireless coverage to the floor. D. The wired network should be run with at least CAT6 cabling |
The wired network should be run with at least CAT6 cabling
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A network administrator tests a multimode fiber cable from end-to-end on a new link that is down
and notices that the dB loss is -.09. Which of the following is the MOST likely cause? A. TXRX reversed B. dB loss too high C. dB loss too low D. Bad connectors |
TXRX reversed
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Which of the following wireless standards would BEST allow a company to utilize new and old
devices on the 5GHz spectrum while allowing for the highest possible speeds? A. A B. B C. G D. N |
802.11n
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Which of the following is the MAXIMUM potential speed of CAT5e UTP cable?
A. 10BaseT B. 100BaseT C. 100BaseFX D. 1000BaseT |
1000BaseT
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A network administrator is deploying a new wireless network with over 50 thin WAPs and needs to
ensure all WAPs use consistent firmware and settings. Which of the following methods provides this functionality? A. Use WAP auto-configuration B. Use a wireless controller C. Use PXE to load and track WAPs D. Use DHCP scope options |
Use a wireless controller
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While preparing to replace an old CAT3 cable with a CAT6 cable to implement VoIP, a facilities
employee mistakenly disconnects the entire patch panel, including valid wiring to live workstations. Which of the following should an administrator use in order to connect those ports FIRST? A. Toner B. Multimeter C. Reflectometer D. Cable tester |
Toner
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|
|
Which of the following technologies is used on cellular networks?
A. Ethernet B. CDMA C. CSMA/CA D. POTS |
CDMA
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Which of the following technologies allows multiple staff members to connect back to a centralized
office? A. Peer to Peer B. VPN C. PKI D. VLAN |
VPN
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Which of the following technologies is used to connect public networks using POTS lines?
A. OC3 B. OC12 C. PSTN D. Cable |
PSTN
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An administrator needs to install a WAP in a location where there is no electrical wiring. Which of
the following should the administrator use to complete a successful installation? A. Coaxial B. Wireless bridge C. PoE D. Multimode fiber |
PoE
|
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|
Which of the following would a technician do to monitor remote traffic through an access point?
A. Enable an SNMP agent B. Enable network mapping C. Set monitoring SSID D. Select WPA2 |
Enable an SNMP agent
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Which of the following commands can a network technician use to check whether the DNS server
for a given domain is reachable? A. nmap B. nbtstat C. dig D. arp |
dig
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|
|
A client’s computer is unable to access any network resources. Which of the following utilities can
a technician use to determine the IP address of the client’s machine? A. ipconfig B. nslookup C. dig D. tracert |
ipconfig
|
|
|
A user’s computer is unable to access the Internet. Which of the following utilities can a technician
use to determine if DNS is working? A. nbstat B. arp C. nslookup D. ipconfig |
nslookup
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|
Joe, a network technician, is troubleshooting in a wiring closet in 2011. The cabling to all the
equipment does not match the documentation from 2007. Which of the following configuration management methods has been overlooked? A. Change management B. System logs C. Asset management D. Baselining |
Change Management
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After a technician has identified the problem and its impact, which of the following steps should be
performed NEXT? A. Implement preventative measures. B. Establish a plan of action to resolve the problem. C. Establish a theory of probable cause. D. Implement the solution or escalate as necessary |
Establish a theory of probable cause
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|
|
Which of the following reasons would MOST likely be used to implement QoS and traffic shaping
solutions? A. Redundancy B. Fault tolerance C. Unified communications D. Uptime requirements |
Unified communications
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|
Ann, a network technician, has been troubleshooting a connectivity problem in the LAN room. Ann
has diagnosed the problem and implemented a solution. Which of the following would be the NEXT step? A. Test the theory B. Establish a plan of action C. Establish a theory D. Document findings |
Document the findings
|
|
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A network technician is troubleshooting a user’s connectivity problem, and has determined a
probable cause. The technician is at which step in the troubleshooting methodology? A. Verify full system functionality B. Identify the problem C. Establish a theory D. Implement the solution |
Establish a theory
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In a SOHO environment, placing a VoIP unit on the outside edge of a LAN router enhances which
of the following network optimization methods? A. Load balancing B. Quality of service C. Fault tolerance D. Traffic shaping |
QoS
|
|
|
A technician decides to upgrade a router before leaving for vacation. While away, users begin to
report slow performance. Which of the following practices allows other technicians to quickly return the network to normal speeds? A. Change management B. Baselines C. Asset management D. Cable management |
Change Management
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Which of the following will allow a technician to monitor all network traffic when connected to a
mirror port? A. VLAN tags B. SNMP C. Packet sniffer D. Syslog |
Packet sniffer
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|
Which of the following would a network administrator recommend to satisfy fault tolerance needs
within the datacenter? A. Multimode fiber B. Setting up a new hot site C. Central KVM system D. Central UPS system |
Central UPS system
|
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Which of the following would MOST likely be used by a network administrator to test DNS
resolution? A. dig B. ipconfig C. netstat D. nbtstat |
dig
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|
|
A technician is developing a shortcut sheet for the network to be able to assist in future
troubleshooting scenarios. Which of the following should the network devices have to ease manageability efforts? A. MAC spoofing B. Dynamic IPs C. MAC filtering D. Static IPs |
Static IPs
|
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|
A technician is troubleshooting a computer that will not connect to the Internet. The PC is
connected to the network. Which of the following tools should the technician use FIRST to understand the NIC configuration? A. Protocol analyzer B. ipconfig C. nslookup D. tracert |
ipconfig
|
|
|
A customer is implementing a VoIP infrastructure using an existing network. The customer
currently has all network devices on the same subnet and would like the phones to be powered without the use of an AC adapter. Which of the following features should be enabled and configured to allow for reliable performance of the VoIP system? (Select THREE). A. WEP B. PoE C. VLANs D. SSL VPN E. IDS F. QoS |
PoE (no A/C)
VLAN QoS (Prioritize voice packet over data packet traffic to avoid jitter) |
|
|
A company has just installed a new network switch for an expanding department. The company is
also piloting the use of a VoIP phone system for this department. Which of the following should be enabled on the new network switch? A. WINS B. QoS C. NAT D. DHCP |
QoS
|
|
|
Which of the following network protocols is used for a secure command line interface for
management of network devices? A. SSH B. TELNET C. IGMP D. HTTP |
SSH
|
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|
A user is having difficulty connecting a laptop to the company’s network via a wireless connection.
The user can connect to the network via a wired NIC. The technician suspects the laptop’s wireless NIC has failed. The technician performs hardware diagnostics on the wireless NIC and discovers the hardware is working fine. Which of the following network troubleshooting methodology steps should the technician do NEXT? A. Establish a plan of action to resolve the problem. B. Test the theory to determine a cause. C. Re-establish a new theory or escalate. D. Implement the solution or escalate as necessary. |
Re-establsh a new theory or escalate
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An administrator is using a packet sniffer to try to determine what is causing the traffic on the
network. The administrator sees a lot of packets on port 25. Which of the following traffic types is MOST likely using port 25? A. SMTP B. SSH C. DNS D. TELNET |
SMTP
|
|
|
Which of the following should be used when throughput to the destination network is a priority?
A. MTU B. Hop count C. Reliability of the path D. Bandwidth |
Bandwidth
|
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|
A network technician is concerned that a user is utilizing a company PC for file sharing and using
a large amount of the bandwidth. Which of the following tools can be used to identify the IP and MAC address of the user’s PC? A. System log B. History log C. Network sniffer D. Nslookup |
Network sniffer
|
|
|
A recent flood in the office caused a lot of equipment to be damaged and the manager of the IT
department would like a way to prevent such an incident in the future. Which of the following is the BEST way to mitigate such an equipment failure? A. Reduce the power input on the replacement servers. B. Cover the servers with plastic tarps. C. Purchase twice as many servers to create high availability clusters. D. Transfer the replacement servers offsite to a data center |
Transfer the replacement servers offiste to a data center
|
|
|
A user has network connectivity per the link lights on the NIC, but cannot access any network
resources or the Internet. Which of the following commands should the technician run FIRST? A. arp B. ipconfig C. tracert D. route |
ipconfig
|
|
|
A network administrator suspects that recent traffic problems could be caused by a high CPU load
on company routers. Which of the following would BEST be used to monitor CPU cycles on the routers? A. TACACS+ B. SNMP C. Syslog D. DOCSIS |
SNMP
|
|
|
In order to discover the currently unknown IP address of the next-hop router, a network
administrator would begin by using which of the following tools? A. NMAP B. ping C. nslookup D. tracert |
tracert
|
|
|
A NAS appliance has had a failed NIC replaced. Now the NAS appliance is no longer visible on
the network. Which of the following is the MOST likely cause of the problem? CompTIA N10-005 Exam "Pass Any Exam. Any Time." - www.actualtests.com 106 A. The network cable connecting the NAS to the network switch is bad. B. The network port that the appliance is connected to is assigned to the wrong VLAN. C. Port security on the Ethernet switch has disabled the port. D. Firewall needs to be updated for the new NAS device |
Port security on the Ethernet switch has disabled the port
|
|
|
A large company has experienced Internet slowdowns as users have increased their use of the
Internet. Which of the following can the Network Administrator use to determine the amount of bandwidth used by type of application? A. Network maps B. Traffic analysis C. Syslog D. ICMP |
Traffic analysis
|
|
|
A user reports intermittent network connectivity. Which of the following should a technician
configure on the managed switch to help troubleshoot this issue? A. SMTP B. SNTP C. SNMP D. SNAT |
SNMP
|
|
|
When troubleshooting a connectivity issue, which of the following commands will give the technician a list of the host names connected to the network?
A. ping B. nbstat C. arp D. msconfig |
nbstat
|
|
|
A network administrator wants to see what ports are open on a server. Which of the following
commands will show open ports? A. netstat B. tracert C. nbtstat D. nslookup |
netstat
|
|
|
Users report that an internal file server is inaccessible. Of the following commands, which would
be the MOST useful in determining network-layer connectivity? A. dig B. nbtstat C. netstat D. ping |
ping
|
|
|
Users have reported choppy audio in phone conversations since the implementation of SIP
phones on the network. Which of the following should be implemented to alleviate the delays? A. Caching B. VoIP C. QoS D. SMTP |
QoS
|
|
|
A customer with a SOHO requires fast, secure, cost-effective access to the Internet. Which of the
following would be the MOST appropriate solution? (Select TWO). A. OC3 line with built-in firewall B. DS3 line with a separate firewall C. Cable modem with a separate firewall D. Dial-up modem with separate firewall E. DSL router with firewall capabilities |
Cable modem with separate firewall
DSL router with firewall capabilities |
|
|
Users report that they are unable to access any external websites. The local intranet is not
affected. A network technician has isolated the problem to a Linux-based server. Which of the following commands will enable the technician to view DNS information on the Linux-based server? A. nbtstat B. ipconfig C. dig D. netstat |
dig
|
|
|
Joe, a remote user, has called the helpdesk with an issue on his machine. The technician would
like to remote into the machine for troubleshooting but does not know the IP address or host name. Which of the following commands can the technician ask Joe to execute to gain this information? A. netstat B. ipconfig C. ping D. traceroute |
ipconfig
|
|
|
A user’s workstation is experiencing multiple errors when trying to open programs. Which of the
following log files should the technician review to assist in troubleshooting these errors? A. History Log B. Application Log C. System Log D. Security Log |
Application log
|
|
|
Which of the following allows an administrator to reference performance and configuration
information if there is a problem on the network? A. Wire schemes B. Change management C. Network diagrams D. System baselines |
System baselines
|
|
|
Which of the following devices is utilized to ensure traffic does not become congested while
traveling over redundant links? A. Access control list B. Load balancer C. Content filter D. Proxy server |
Load balancer
|
|
|
Which of the following devices can be utilized to monitor and block websites accessible by a
company? A. WINS server B. DNS server C. Content filter D. Reverse proxy |
Content filter
|
|
|
A technician sees suspicious traffic coming from a computer connected to a WAP. Which of the
following can be used to stop this traffic while troubleshooting the problem? A. tracert B. QoS C. ipconfig D. MAC filteringA technician sees suspicious traffic coming from a computer connected to a WAP. Which of the following can be used to stop this traffic while troubleshooting the problem? A. tracert B. QoS C. ipconfig D. MAC filtering |
MAC filtering
|
|
|
An organization finds that most of the outgoing traffic on the network is directed at several Internet
sites viewed by multiple computers simultaneously. Which of the following performance optimization methods would BEST alleviate network traffic? A. Load balancing internal web servers B. Redundant network resources C. Implement fault tolerance on the WAN D. Implement caching engines |
Implement caching engines
|
|
|
Which of the following methods would be implemented to correct a network slowdown caused by
excessive video streaming? A. Traffic shaping B. Proxy server C. VPN concentrator D. High availability |
Traffic shaping
|
|
|
Users inform an administrator that the network is slow. The administrator notices the bulk of the
traffic is SIP and RTP traffic. Which of the following could the administrator do to help BEST alleviate the traffic congestion for the users? A. Create an ACL on the switches and routers that are dropping SIP and RTP packets. B. Create a QoS policy prioritizing users over RTP and SIP traffic. C. Create another VLAN for SIP and RTP traffic. D. Create a rule to throttle SIP and RTP to 10Kbps or less. |
Create another VLAN for SIP and RTP traffic
|
|
|
Which of the following is the control when observing network bandwidth patterns over time?
A. Network log B. Baseline C. Flow data D. Interface statistics |
Baseline
|
|
|
The security administrator needs to restrict specific devices from connecting to certain WAPs.
Which of the following security measures would BEST fulfill this need? A. WAP placement B. MAC address filtering C. Content filtering D. Encryption type and strength |
MAC address filtering
|
|
|
Which of the following performs authentication and provides a secure connection by using 3DES
to encrypt all information between two systems? A. HTTPS B. SSH C. RSA D. SSL |
SSH
|
|
|
Several users are reporting connectivity issues with their laptops. Upon further investigation, the
network technician identifies that their laptops have been attacked from a specific IP address outside of the network. Which of the following would need to be configured to prevent any further attacks from that IP address? A. Port security B. IDS C. Firewall rules D. Switch VLAN assignments |
Firewall rules
|
|
|
The company is setting up a new website that will be requiring a lot of interaction with external
users. The website needs to be accessible both externally and internally but without allowing access to internal resources. Which of the following would MOST likely be configured on the firewall? A. PAT B. DHCP C. DMZ D. NAT |
DMZ
|
|
|
Which of the following attacks would allow an intruder to do port mapping on a company’s internal
server from a separate company server on the Internet? A. SYN flood B. Teardrop C. Smurf D. FTP bounce |
FTP Bounce
|
|
|
Which of the following would be used to check whether a DoS attack is taking place from a
specific remote subnet? A. Syslog files B. Honeypot C. Network sniffer D. tracert |
Network sniffer
|
|
|
An unusual amount of activity is coming into one of the switches in an IDF. A malware attack is
suspected. Which of the following tools would appropriately diagnose the problem? A. Cable tester B. Protocol analyzer C. Load balancer D. OTDR |
Protocol analyzer
|
|
|
Which of the following can a network technician change to help limit war driving?
A. Signal strength B. SSID C. Frequency D. Channel |
Signal strength
|
|
|
Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass
on its default port? A. 110 B. 123 C. 143 D. 443 |
110
|
|
|
Which of the following monitoring devices are used only to recognize suspicious traffic from
specific software? A. Signature based IPS B. Application based IDS C. Anomaly based IDS D. Application based IPS |
Application based IDS
|
|
|
Which of the following security appliances are used to only identify traffic on individual systems?
A. Host based IPS B. Application based IPS C. Network based IDS D. Host based IDS |
Host based IDS
|
|
|
Which of the following uses SSL encryption?
A. SMTP B. FTP C. HTTPS D. SNMP |
HTTPS
|
|
|
Management has decided that they want a high level of security. They do not want Internet
requests coming directly from users. Which of the following is the BEST recommendation? A. Content filter B. Proxy server C. Layer 3 switch D. Firewall |
Proxy server
|
|
|
A company wants to secure its WAPs from unauthorized access. Which of the following is the
MOST secure wireless encryption method? A. SSID disable B. SNMPv3 C. WEP D. WPA2 |
WPA2
|
|
|
A customer wants to increase firewall security. Which of the following are common reasons for
implementing port security on the firewall? (Select TWO). A. Preventing dictionary attacks on user passwords B. Reducing spam from outside email sources C. Shielding servers from attacks on internal services D. Blocking external probes for vulnerabilities E. Directing DNS queries to the primary server |
Shielding servers from attacks on internal services
Blocking external probes for vulnerabilities |
|
|
The security measure used to reduce vulnerabilities for MOST network devices that require
regular application and monitoring is: A. patch management B. security limitations C. documentation D. social engineering |
Patch management
|
|
|
Which of the following appliances creates and manages a large number of secure remote-access
sessions, and also provides a high availability solution? A. Media converter B. Proxy server C. VPN concentrator D. Load balancer |
VPN concentrator
|
|
|
Which of the following network access security methods ensures communication occurs over a
secured, encrypted channel, even if the data uses the Internet? A. MAC filtering B. RAS C. SSL VPN D. L2TP |
SSL VPN
|
|
|
A network administrator is responding to a statement of direction made by senior management to
implement network protection that will inspect packets as they enter the network. Which of the following technologies would be used? A. Packet sniffer B. Stateless firewall C. Packet filter D. Stateful firewall |
Stateful firewall
|
|
|
A network administrator is looking to implement a solution allowing users to utilize a common
password to access most network resources for an organization. Which of the following would BEST provide this functionality? A. RADIUS B. Single sign on C. Multifactor authentication D. Two-factor authentication |
SSO
|
|
|
A strong network firewall would likely support which of the following security features for controlling
access? (Select TWO). A. War driving B. War chalking C. MAC filtering D. FTP bouncing E. Port filtering |
MAC filtering
Port filtering |
|
|
A small office has created an annex in an adjacent office space just 20 feet (6 meters) away. A
network administrator is assigned to provide connectivity between the existing office and the new office. Which of the following solutions provides the MOST security from third party tampering? A. CAT5e connection between offices via the patch panel located in building’s communication closet. B. CAT5e cable run through ceiling in the public space between offices. C. VPN between routers located in each office space. D. A WEP encrypted wireless bridge with directional antennae between offices. |
VPN between routers located in each office space
|
|
|
Users at a remote site are unable to establish a VPN to the main office. At which of the following
layers of the OSI model does the problem MOST likely reside? A. Presentation B. Application C. Physical D. Session |
Session
|
|
|
A network technician is concerned that an attacker is attempting to penetrate the network, and
wants to set a rule on the firewall to prevent the attacker from learning which IP addresses are valid on the network. Which of the following protocols needs to be denied? A. TCP B. SMTP C. ICMP D. ARP |
ICMP
|
|
|
A network technician has configured a new firewall with a rule to deny UDP traffic. Users have
reported that they are unable to access Internet websites. The technician verifies this using the IP address of a popular website. Which of the following is the MOST likely cause of the error? A. Implicit deny B. HTTP transports over UDP C. Website is down D. DNS server failure |
Implicit deny
|
|
|
Which of the following describes a single computer that is setup specifically to lure hackers into
revealing their methods, and preventing real attacks on the production network? A. Evil twin B. Honeypot C. DMZ D. Honeynet |
Honeypot
|
|
|
Which of the following network appliances will only detect and not prevent malicious network
activity? A. IDS B. Network sniffer C. IPS D. Firewall |
IDS
|
|
|
A network administrator is implementing a wireless honeypot to detect wireless breach attempts.
The honeypot must implement weak encryption to lure malicious users into easily breaking into the network. Which of the following should the network administrator implement on the WAP? A. WPA B. WPA2 C. WEP D. VPN |
WEP
|
|
|
Joe, a technician, suspects a virus has infected the network and is using up bandwidth. He needs
to quickly determine which workstation is infected with the virus. Which of the following would BEST help Joe? A. Web server B. Syslog C. Network sniffer D. SNMP |
Network sniffer
|
|
|
Users are reporting that external web pages load slowly. The network administrator determines
that the Internet connection is saturated. Which of the following is BEST used to decrease the impact of web surfing? A. Caching B. Load balancing C. Port filtering D. Traffic analyzer |
Caching
|
|
|
Which of the following would be the BEST solution for an IDS to monitor known attacks?
A. Host-based B. Signature-based C. Network-based D. Behavior-based |
Signature based
|
|
|
Which of the following is a specialized piece of hardware designed to encrypt and decrypt user
traffic? A. Proxy server B. TDR C. Smart jack D. VPN concentrator |
VPN Concentrator
|
|
|
Which of the following wireless security measures, although widely implemented, does not provide
strong security? A. IPSec B. WPA2 C. MAC address filtering D. 802.1x |
MAC address filtering
|
|
|
Which of the following does Kerberos provide?
A. Non-repudiation B. Accounting C. Exchange D. Authentication |
Authentication
|
|
|
Which of the following does Kerberos use to authenticate?
A. Tickets B. Servers C. Users D. Clients |
Tickets
|
|
|
Which of the following security methods is used to attract users attempting to gain unauthorized
access to various systems within a single network? A. Network based IDS B. Firewall C. Network based IPS D. Honeynet |
Honeynet
|
|
|
An administrator needs to open ports in the firewall to support both major FTP transfer modes.
Which of the following default ports was MOST likely opened? (Select TWO) A. 20 B. 21 C. 22 D. 23 E. 25 F. 53 |
20
21 |
|
|
The network administrator has been tasked to create a network segment where resources can be
placed for public web access. Which of the following should be implemented? A. DMZ B. Honeynet C. PAT D. Port security |
DMZ
|
|
|
A network administrator has been tasked to deploy a new WAP in the lobby where there is no
power outlet. Which of the following options would allow the network administrator to ensure the WAP is deployed correctly? A. QoS B. Install 802.11n WAP C. PoE D. Parabolic antenna |
PoE
|
|
|
Honeypots and honeynets are different in which of the following ways?
A. Honeynets are managed collections of honeypots. B. Honeypots only test software security, not hardware. C. Honeynets require specialized hardware to implement. D. Honeypots are usually servers and honeynets are routers and switches |
Honeynets are managed collections of honeypots
|
|
|
A corporate office recently had a security audit and the IT manager has decided to implement very
strict security standards. The following requirements are now in place for each employee logging into the network: Biometric fingerprint scan Complex 12 character password 5 digit pin code authorization Randomized security question prompt upon login Which of the following security setups does this company employ? A. Single factor authentication B. Three factor authentication C. Two factor authentication D. Single sign-on |
Two factor
|
|
|
Which of the following will BEST block a host from accessing the LAN on a network using static IP
addresses? A. IP filtering B. Port filtering C. MAC address filtering D. DHCP lease |
IP filtering
|
|
|
Which of the following remote access types requires a certificate for connectivity?
A. SSH B. PPP C. HTTPS D. WEP |
SSH
|
|
|
A technician is troubleshooting authentication issues on a server. It turns out the clock on the
server was 72 minutes behind. Setting the clock to the correct time fixed the issue. Given the scenario, which of the following authentication methods was being used? A. Kerberos B. CHAP C. TACACS+ D. RADIUS |
Kerberos
|
|
|
Which of the following wireless standards uses a block encryption cipher rather than a stream
cipher? A. WPA2-CCMP B. WPA C. WEP D. WPA2-TKIP |
WPA2-CCMP
|
|
|
A network administrator is performing a penetration test on the WPA2 wireless network. Which of
the following can be used to find the key? A. DoS B. Buffer overflow C. Dictionary file D. SQL injection |
Dictionary file
|
|
|
Which of the following can be used to compromise a WPA encrypted wireless network when the
rainbow table does not contain the key? A. Evil twin B. War chalking C. Buffer overflow D. Virus |
Evil twin
|
|
|
A system administrator is implementing an IDS on the database server to see who is trying to
access the server. The administrator relies on the software provider for what to detect. Which of the following would MOST likely be installed? A. Behavior based IDS B. Network based IDS C. Signature based IDS D. Honeypot |
Signature based IDS
|
|
|
A vendor releases an emergency patch that fixes an exploit on their network devices. The network
administrator needs to quickly identify the scope of the impact to the network. Which of the following should have been implemented? A. Change management B. Asset management C. Network sniffer D. System logs |
Asset Management
|
|
|
Which of the following can be described as a DoS attack?
A. Disabling a specific system and making it unavailable to users B. Implementing a keylogger C. Intercepting a packet and decrypting the contents D. Communicating with employees to get company information |
Disabling a specific system and making it unavailable to users
|
|
|
user is connecting to the Internet at an airport through an ad-hoc connection. Which of the
following is the MOST likely security threat? A. Man-in-the-middle B. Social engineering C. Phishing D. DoS |
Man in the middle
|
|
|
An application server is placed on the network and the intended application is not working
correctly. Which of the following could be used to make sure sessions are being opened properly? A. Antivirus scanner B. IDS C. Packet sniffer D. Toner probe |
Packet sniffer
|
|
|
Which of the following is the MOST secure way to prevent malicious changes to a firewall?
A. SNMPv2 access only B. TELNET access only C. SSH access only D. Console access only |
Console access only
|
|
|
Which of the following allows a malicious attacker to view network traffic if the attacker is on the
same network segment as Joe, an administrator? A. DoS attack B. Man-in-the-middle attack C. Smurf attack D. Xmas attack |
Man in the Middle
|
|
|
An administrator determines there are an excessive number of packets being sent to a web server
repeatedly by a small number of external IP addresses. This is an example of which of the following attacks? A. DDoS B. Viruses C. Worms D. Man-in-the-middle |
DDoS
|
|
|
Which of the following features will a firewall MOST likely use to detect and prevent malicious
traffic on the network? A. Zone filtering B. Signature identification C. Port identification D. Port scanner |
Signature identification
|
|
|
Stateful packet inspection is a security technology used by which of the following devices?
A. Unmanaged switch B. Hardware firewall C. Bridge D. IDS |
Hardware firewall
|
|
|
An administrator would like to inspect all traffic flowing over the SMTP protocol on a given
network. Which of the following tools would accomplish this? (Select TWO). A. Packet sniffer B. Honeypot C. Port mirroring D. IPS E. Port scanner F. IDS |
Packet sniffer
Port mirroring |
|
|
PKI is a method of user authentication which uses which of the following?
A. Various router commands B. Access control lists C. Certificate services D. A RADIUS server |
Certificate services
|
|
|
Which of the following is the only standard that can operate at either frequency?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
|
|
|
Which of the following wireless standards provide speed of 11Mbps?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11b
|
|
|
A computer's DNS has bad cach records.which tools can be used to clear the DNS record.
A. netstat B. ipconfig C. nslookup D. tracert |
ipconfig
|
|
|
A router operates at which of the following layers of the OSI model?
A. Layer 2 B. Layer 3 C. Layer 4 D. Layer 5 |
Layer 3
|
|
|
Which of the following a network technician would use to reverse engineer malware and virus?
A. IDS B. VLAN C. Virtual Machine D. Switch |
VM
|
|
|
A network administrator has been assigned the 192.168.2.64/26 network and assigns the following
computer’s IP addresses: 192.168.2.70 192.168.2.100 192.168.2.125 192.168.2.130 When the administrator tries to ping the other computers from 192.168.2.130, an ECHO REPLY is not received. Which of the following must the network administrator do? A. Change the IP of 192.168.2.130 to 192.168.1.128. B. Change the IP of 192.168.2.130 to 192.168.2.126. C. Change the default gateway of 192.168.2.130 accordingly. D. Reconfigure the switch for the right VLAN. |
Change the IP of 192.168.2.130 to 192.168.2.126
|
|
|
Which of the following authentication solutions use tickets that include valid credentials to access
additional network resources? A. Kerberos B. RADIUS C. Multi-factor authentication D. TACACS+ |
Kerberos
|
|
|
Which of the following protocols is used to provide secure authentication and encryption over nonsecure
networks? A. RADIUS B. TLS C. PPTP D. HTTP |
TLS
|
|
|
Which of the following would be used in a firewall to block incoming TCP packets that are not from
established connections? A. Access control lists B. Port address translation C. Blocking unauthorized ports D. Stateful inspection |
Stateful inspection
|
|
|
Which of the following has the LEAST amount of collisions in a domain?
A. Bridge B. Hub C. Repeater D. Switch |
Switch
|
|
|
Which of the following is used to embed the MAC address of an Ethernet interface in a
corresponding IPv6 address? A. Subnet B. IANA prefix C. EUI-64 D. Site-local |
EUI-64
|
|
|
Which of the following would be used to place extranet servers in a separate subnet for security
purposes? A. VPN B. NAT C. DMZ D. IDS |
DMZ
|
|
|
Which of the following WAN technologies has synchronous up/down speeds?
A. T1 B. ADSL C. Satellite D. Cable broadband |
T1
|
|
|
Which of the following protocols uses port 3389 by default?
A. RDP B. TFTP C. IMAP D. DNS |
RDP
|
|
|
Which of the following can operate on BOTH the 2.4GHz and 5.8GHz frequencies?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
|
|
|
Which of the following standards can operate at 40MHz channel spacing?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
|
|
|
The technician is working on a DNS problem. Which of the following software tool is the technician
MOST likely to use to troubleshoot this issue? A. nslookup B. ipconfig C. ping D. nbtstat |
nslookup
|
|
|
Which of the following would a network administrator use to scan a network for vulnerabilities?
A. ICMP B. NMAP C. ACL D. TCPDUMP |
NMAP
|
|
|
Which of the following attack types is being used if the originating IP address has been spoofed?
A. Ping flood B. Trojan C. Smurf D. Worm |
Smurf
|
|
|
The BEST way to determine the next hop of a packet is to check the:
A. link state. B. routing table. C. routing metrics. D. convergence. |
Routing table
|
|
|
Which of the following cable types is unshielded?
A. STP B. Twinax C. UTP D. Coax |
UTP
|
|
|
Which of the following wireless standards can transmit data up to 540Mbps?
A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11n
|
|
|
Which of the following preventative measures would BEST secure a web server from being port
scanned by attackers publicly? A. Content filter B. Proxy server C. ACL implicit allow D. Firewall |
Firewall
|
|
|
A user calls the helpdesk to report not being able to access network resources over the company’s
Wi-Fi connection. During information gathering, the user mentions that the wireless network their computer is signed into is not the same name as it had been previously. Which of the following is the underlying cause? A. SSID mismatch B. Incorrect WPA key C. Signal bounce D. Antenna placement |
SSID Mismatch
|
|
|
A consultant has been hired to wire a simple small office of ten computers to a layer 2 Ethernet
100BaseT switch. Which of the following cabling will be needed for the installation? A. Multimode fiber B. RG-59 coaxial C. CAT6a D. CAT3 |
CAT6a
|
|
|
A customer has requested that a new piece of network equipment be installed so that the
customer can have multiple subnets for each department, but allow network traffic from each department to reach one another without the use of a router. Which of the following network devices would satisfy this customer’s requirements? A. Packet filter B. Layer 3 switch C. Stateful firewall D. Wireless bridge |
Layer 3 switch
|
|
|
A user moves from one office to another. When the user logs onto their computer, it has local
access to shared drives but no Internet access. A technician determines that the computer has an IP address in the wrong subnet. Which of the following is MOST likely the cause? A. Incorrect VLAN B. MTU mismatch C. Hijacked HOSTS file D. Missing routes |
Incorrect VLAN
|
|
|
A user’s network connection is slow. After testing the cabling, the cable tester shows that only pins
1, 2, 3 and 6 are being used. After accurately terminating both ends, the tester displays the same results. Which of the following is the MOST likely cause? A. DB loss on the cable B. Interference C. Split cable D. Distance limitations |
Split cable
|
|
|
Which of the following provides RSA encryption at the session layer?
A. SSH B. ISAKMP C. SSL D. TLS |
SSL
|
|
|
Which of the following security devices can receive and process HTTP requests from hosts to
allow or deny traffic for web browsing purposes only? A. Load balancer B. VPN concentrator C. Proxy server D. DNS server |
Proxy server
|
|
|
A security appliance is blocking a DDoS attack on the network. Which of the following logs would
be used to troubleshoot the traffic patterns trying to go across the network? A. IPS logs B. Application logs C. IDS logs D. History logs |
IPS logs
|
|
|
The network technician is troubleshooting a connectivity issue on a CAT5 cable with a wire map
and notices that only pins 1, 3, and 6 are mapping correctly. Which of the following pins are open and keeping traffic from flowing correctly? A. 2 B. 4 C. 5 D. 8 |
2
|
|
|
Which of the following wireless standards can operate on the same frequency but are not
compatible? A. 802.11a / 802.11b B. 802.11a / 802.11n C. 802.11b / 802.11g D. 802.11g / 802.11n |
802.11a/802.11n
|
|
|
The DHCP server leases IP addresses 10.162.233.158 to WBAC11 for a period of 14 days. At
which of the following times would WBAC11 send an initial request to the DHCP server to renew the IP address lease? A. Day 4 B. Day 6 C. Day 8 D. Day 10 |
Day 8
|
|
|
A technician is trying to add another switch to the network with multiple VLANs. Which of the
following should the technician configure on the interface to allow multiple VLANs? A. Mirroring B. Trunking C. Authenticating D. Bonding |
Trunking
|
|
|
A company is experiencing a denial of service attack and wants to identify the source IP address
of the attacker in real time. Which method is the BEST way to accomplish this? A. Network sniffer B. Syslog C. SNMPv3 D. System logs |
Network sniffer
|
|
|
A technician suspects invalid information in the local DNS cache of a workstation. Which of the
following commands can be used to clear this? A. nslookup B. ifconfig C. dig D. ipconfig |
ipconfig
|
|
|
Which of the following would be used to run an instance of a Layer 2 device within an application?
A. Virtual switch B. Virtual router C. Virtual PBX D. NaaS |
Virtual switch
|
|
|
A technician is unable to easily trace physical connections within a network rack. Which of the
following practices would save time in the future? A. Change management B. Cable management C. Asset management D. Setting baselines |
Cable management
|
|
|
Which of the following syslog severity codes indicates an emergency and that the system is
unusable? A. 0 B. 1 C. 6 D. 7 |
0
|
|
|
Using source port numbers as a way to keep track of connections is a characteristic of which of
the following protocols? A. TCP B. UDP C. NAT D. PAT |
PAT
|
|
|
A consultant is installing new WAPs for an office using wall mounts. Which of the following is the
BEST location for the new boxes for signal strength and coverage? A. Above the suspended ceiling with antennas positioned upward. B. Close to the floor level to allow the signal to traverse the floor laterally. C. Close to the suspended ceiling, but not above. D. Above the suspended ceiling with antennas positioned downward. |
Close to the suspended ceiling but not above
|
|
|
A technician has narrowed down the cause of a problem to two possible sources. Which of the
following should the technician do NEXT? A. Implement a solution for both causes to be sure all possibilities are covered. B. Choose the more likely cause and test to confirm. C. Establish a plan of action for each. D. Choose the less likely cause and test to eliminate. |
Choose the more likely cause and test to confirm
|
|
|
A company has multiple WAPs within close proximity to each other to allow users to move about
seamlessly through the building with their laptops, without losing any connection. However, this has had the opposite effect, causing any user that is close to two of the access points to constantly reconnect to the wireless network. Which of the following should be changed on all the WAPs to allow this to work as the customer intended? A. Change the SSID to be unique for each WAP. B. Change the antenna direction to be unique for each WAP. C. Change the encryption method to be unique for each WAP. D. Change the channel to be unique for each WAP. |
Change the channel to be unique for each WAP
|
|
|
Which of the following can be used to prioritize network streams to optimize performance for
certain traffic types? A. VLAN B. VPN C. QoS D. PoE |
QoS
|
|
|
An administrator is attempting to troubleshoot a program that is unable to resolve IP addresses
from FQDNs. Which of the following commands is used to check reverse DNS settings? A. dig B. ifconfig C. nbtstat D. route |
dig
|
|
|
Which of the following is a fiber connector that is slightly smaller than a standard copper network
cable connector? A. BNC B. GBIC C. MT-RJ D. SC |
MT-RJ
|
|
|
A user arrives at a new house and the Internet provider states the connection will run through the
cable. If the user wants to install multiple PCs, which of the following will the user need in order to establish a connection? (Select TWO). A. VPN B. Router C. T1 card D. WEP E. Modem |
Router, modem
|
|
|
A user reports that they are unable to connect to the network. Upon further investigation, a
technician notices that the user has an IP address/subnet mask combination of 192.168.204.255/24. The default gateway for the network is 192.168.204.254. Which of the following could the user’s IP address be changed to so that they could connect to the network? A. 192.168.204.0/27 B. 192.168.204.1/27 C. 192.168.204.112/24 D. 192.168.204.254/24 |
192.168.204.112/24
|
|
|
A user is unable to communicate with any local network resources, but is connected to the
wireless network and can access the Internet. The network technician notices that the laptop has an incorrect IP address, even though it shows it is connected. Which of the following is the MOST likely cause? A. Signal strength B. Interference C. AP placement D. Incorrect SSID |
Incorrect SSID
|
|
|
A network technician has been asked to look into a report from the IDS to determine why traffic is
being sent from an internal FTP server to an external website. Which of the following tools can be used to inspect this traffic? A. Router firewall B. Ping and traceroute C. Throughput tester D. Protocol analyzer |
Protocol analyzer
|
|
|
Which of the following DNS records must be queried to resolve the IPv6 address of a website?
A. CNAME B. PTR C. AAAA D. A |
AAAA
|
|
|
Due to a recent change in company policy, all users managing network infrastructure devices must
use SSH v2 and all administrative activity must be collected on a central store. Which of the following should the network administrator deploy to comply with the new collection requirements? A. Network intrusion detection B. Traffic analysis tool C. Syslog server D. Network sniffer |
Syslog server
|
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|
Which of the following protocols is used to send time synchronization updates on a given network?
A. NTP B. POP3 C. DNS D. IMAP |
NTP
|
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|
A network is having problems with traffic flowing to several critical websites that are used for
necessary company work. Which of the following appliances would BEST handle network traffic to increase network performance? A. Caching engine B. Traffic shaper C. Network based firewall D. Packet sniffer |
Traffic shaper
|
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|
Which of the following wireless router security measures provides access to a network by allowing
only devices on an approved physical address list? A. Port filtering B. MAC filtering C. SSID masking D. Port forwarding |
MAC filtering
|
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A company needs to find a way to best route latency-sensitive traffic appropriately on an already
congested network. Which of the following would be BEST suited for this purpose? A. QoS B. PPPoE C. RADIUS D. VPN |
QoS
|
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|
Which of the following network protocols is used to transport email across the Internet?
A. NTP B. SSH C. SMTP D. SNMP |
SMTP
|
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Which of the following BEST describes a load balancer?
A. A device that splits traffic between multiple nodes of a clustered service. B. A device that allows multiple computers to access the internet through a single public IP address. C. A device that filters internet content based on rules and ACLs. D. A device that separates users onto separate WAPs for even distribution. |
A device that splits traffic between multiple nodes of a clustered server
|
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An administrator has set up a NIPS and connected it to the same switch as the internal firewall
interface and the internal router. The device, however, only detects traffic from itself to the firewall or router. Which of the following explains why additional corporate traffic cannot be detected? A. The spanning tree protocol is preventing the traffic. B. Port Mirroring is set up incorrectly. C. The switch needs to be a layer 3 switch. D. The traffic is in a classless IP range and not classful IP range. |
Port mirroring is set up incorrectly
|
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An application is using port 2000 on a PC. Which of the following could an administrator do to
determine what software is listening on that port? A. Run netstat B. Run dig C. Run nbtstat D. Run tracert |
Run netstat
|
|
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The TCP/IP application layer contains which of the following OSI layers?
A. Layers 1,5,6,7 B. Layers 4,7 C. Layers 5,6,7 D. Layer 7 |
Layers 5, 6, 7
|
|
|
Which of the following is MOST commonly implemented for remote access to UNIX systems?
A. SSL B. RSH C. SSH D. RDP |
SSH
|
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Which of the following BEST describes a firewall that can be installed via Add/Remove programs
on a Windows computer? A. Managed B. Software C. Hardware D. Wireless |
Software
|
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A user is unable to open up websites on the Internet from a browser. The administrator determines
that the workstation can ping its local gateway, but not the remote web server. At which of the following layers of the OSI model does the problem MOST likely exist? A. Data link B. Network C. Session D. Physical |
Network
|
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|
Which wireless standard works at a MAXIMUM data rate of up to 11Mbps?
A. 802.11a B. 802.11b C. 802.11g D. 802.1q |
802.11b
|
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|
Which of the following is the radio frequency and data rate for 802.11g as specified by the IEEE
standards? A. 2.0 GHz at 33 Mbps B. 2.4 GHz at 54 Mbps C. 2.4 GHz at 128 Mbps D. 5.0 GHz at 54 Mbps |
2.4 GHz at 54 Mbps
|
|
|
The unit responsible for the successful shaping and transmission of a digital signal is called:
A. demarc. B. T1 hub. C. smart jack. D. CSU/DSU |
CSU/DSU
|
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Which of the following network devices builds a table of ports to MAC addresses to forward
packets only to necessary ports? A. Switch B. Hub C. Router D. Repeater |
Switch
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A company wants to ensure that a wireless signal from their WAP only sends down one specific
corridor. Which of the following can be done to achieve this? A. Disable the SSID. B. Change the broadcast channel. C. Lower the signal strength. D. Change the antennas. |
Change the antennas
|
|
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Which of the following records allows for reverse DNS lookups?
A. AAAA B. A C. PTR D. CNAME |
PTR
|
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An administrator determines that an attack is taking place on the email server from a group of
users on the same ISP. Which of the following is the BEST way to mitigate an attack on the network? A. Packet filtering B. Spam filtering C. MAC filtering D. CSU |
Packet filtering
|
|
|
In the event of a fire in an office building, which of the following cable types should be installed to
prevent toxic gas from burning PVC cable coatings? A. CAT6a B. Plenum C. Crossover D. STP |
Plenum
|
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|
Users trying to access a website using HTTPS are being blocked by the firewall. Which of the
following ports needs to be allowed? A. 80 B. 143 C. 443 D. 3389 |
443
|
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The application layer in the TCP/IP model is comparable to which of the following layers in the OSI
model? A. Layer 2 B. Layer 5 C. Layer 6 D. Layer 7 |
Layer 7
|
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Which of the following 802.3 classifications has a MAXIMUM segment distance of 984 feet (300
meters)? A. 1000Base B. 100BaseFX C. 1000BaseSX D. 1000BaseT |
1000BaseSX
|
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|
A user informs the network administrator of increasingly common wireless connection problems.
The administrator determines the user has recently received a new cordless phone. The phone is MOST likely causing which of the following conditions? A. Signal strength latency B. Bouncing signal C. Interference D. Crosstalk |
Interference
|
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|
Which of the following is a fiber connector type?
A. F-connector B. RJ-11 C. RS-232 D. MTRJ |
MTRJ
|
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|
A company needs to implement a secure wireless system that would require employees to
authenticate to the wireless network with their domain username and password. Which of the following would a network administrator deploy to implement these requirements? (Select TWO). A. 802.1q B. MAC address filtering C. WPA2 Personal D. WPA Enterprise E. 802.1x |
WPA Enterprise
802.1x |
|
|
Which of the following is MOST likely used with RG-6 media?
A. MTRJ B. RJ-11 C. RJ-45 D. F-connector |
F-connector
|
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A small company has a single multi-layer switch. The company currently has all network devices
on the same subnet but would like to switch the servers to another subnet for security reasons. The company cannot budget any more money to purchase additional hardware. Which of the following features should be used to achieve the new company requirements? A. PAT B. PoE C. VLAN D. QoS |
VLAN
|
|
|
Which of the following DHCP options is used to exclude IP addresses from being distributed to
other computers? A. Reservations B. Suffixes C. Leases D. Gateways |
Reservations
|
|
|
A large company has experienced Internet slowdowns as users have increased their use of the
Internet. Which of the following can the Network Administrator use to determine the amount of bandwidth used by type of application? A. Network maps B. Traffic analysis C. Syslog D. ICMP |
Traffic analysis
|
|
|
Various desktop computers are not getting a link light even though the patch cables were
replaced. Cables on a 110-block patch panel are suspected to be causing the issues. Which of the following hardware tools would MOST likely be used to troubleshoot and resolve the issue? (Select TWO). A. Cable certifier B. Ping command C. Punch down tool D. Crimper E. Toner probe |
Cable certifier
Punch down tool |
|
|
A new WAP is configured to only use 802.11g with SSID broadcasts enabled. The encryption is
set to WPA and the key is given to the user. A user near the WAP is using a laptop equipped with a 5GHz wireless card and is not able to see the SSID. Which of the following is the problem? A. Latency B. Incorrect encryption type C. EUI-64 D. Incompatible hardware |
Incompatible hardware
|
|
|
A network technician has determined a managed network switch has failed. The technician knows
how to install a new switch, but not how to properly configure it. Which of the following troubleshooting steps should the technician take NEXT? A. Escalate the problem B. Identify potential effects C. Test the theory to determine cause D. Establish a plan of action to resolve the problem |
Escalate the problem
|
|
|
Which of the following should be installed to prevent inappropriate websites from being viewed?
A. Load balancer B. VPN concentrator C. Content filter D. Proxy server |
Content filter
|
|
|
Which of the following tools would a technician use to terminate CAT6 wires to the inside of the
wall jack? A. Toner probe B. Cable tester C. Punch down D. Crimper A. Toner probe B. Cable tester C. Punch down D. Crimper |
Punch down
|
|
|
A technician can increase the bandwidth of an 802.11n cell by:
A. doubling the channel width. B. enabling diversity. C. disabling MIMO. D. adding a second access point |
Doubling the channel width
|
|
|
Which of the following is a requirement for bridging with 802.11a?
A. WPA encryption B. Governmental licenses C. High gain yagi antennas D. Clear line of sight |
Clear line of sight
|
|
|
Which of the following technologies can change channel widths?
A. 802.11a B. 802.11b C. 802.11n D. Bluetooth |
802.11n
|
|
|
Which of the following is a common LAN protocol used for a SOHO?
A. ATM B. DSL C. Ethernet D. HDLC |
Ethernet
|
|
|
Which of the following tools could attempt to detect operating system vulnerabilities?
A. nslookup B. honeynet C. netstat D. nessus |
Nessus
|
|
|
A company has one public IP address, and only one device needs to be able to connect to the
Internet at a time. Which of the following is the BEST option for connectivity? A. VLSM B. CIDR C. NAT D. PAT |
NAT
|
|
|
An IP address assigned from a DHCP server is said to be which of the following?
A. Hybrid B. Dynamic C. Secure D. Static |
Dynamic
|
|
|
A technician needs to setup an Internet connection for a small office. There are five users that need the ability to use email and do online research. The office manager wants the connection to be always on and be as inexpensive as possible. Which of the following would BEST fit the needs
of this office? A. Broadband B. T1 C. Frame Relay D. Satellite |
Broadband
|
|
|
The network technician needs to install fiber cabling to connect two buildings less than 984 feet
(300 meters) apart. Which of the following fiber types should be installed? A. Singlemode B. Multimode C. Crossover D. F-Connector |
Multimode
|
|
|
Which of the following protocols does DNS utilize on port 53?
A. TCP B. FTP C. RTP D. ICMP |
TCP
|
|
|
At which of the following layers do IP addresses exist?
A. TCP/IP model Internet layer B. OSI model Data Link layer C. TCP/IP model Transport layer D. OSI model Physical layer |
Internet Layer
|
|
|
A network technician has a RADIUS server IP address that must be included as part of the
security settings for a WAP. Which of the following encryption types should the technician select? A. WPA enterprise B. TKIP C. WPA2 CCMP D. WEP 128-bit |
WPA enterprise
|
|
|
Which of the following reside at a minimum of Layer 3 of the OSI model? (Select TWO).
A. Hub B. Switch C. MAC address D. IP address E. Router |
IP address
Router |
|
|
A network administrator wants to add the firewall rule to allow SSH traffic to the FTP server with
the assigned IP 192.168.0.15 from the Internet. Which of the following is the correct firewall rule? A. Allow ANY to 192.168.0.15 port 21 B. Allow ANY to 192.168.0.15 port 22 C. Allow ANY to 192.168.0.15 port 80 D. Allow ANY to ANY port ANY |
Allow ANY to 192.168.0.15 port 22
|
|
|
Which of the following should be mitigated by employing proper coding techniques when
developing software? A. Distributed denial of service attacks B. Buffer overflows C. War driving D. Packet sniffing |
Buffer overflows
|
|
|
Which two layers of the OSI model make up the TCP/IP model Network Interface layer?
A. Application and Transport B. Transport and Session C. Physical and Data Link D. Session and Presentation |
Physical and Data Link
|
|
|
Which of the following types of connectors is used with a CAT6 Ethernet cable?
A. RJ-45 B. BNC C. RJ-11 D. DB-9 |
RJ-45
|
|
|
Users are reporting a large decrease in network performance. After further investigation, the
network administrator notices large amounts of traffic coming from a specific IP address. The network administrator needs to identify the payload of the network traffic. Which of the following could be used to collect that information? A. ipconfig B. ping C. sniffer D. route |
Sniffer
|
|
|
A technician needs to install network device in a SOHO network. The office requires 9 wired
workstations to share and print data. Which of the following can the technician use? A. A 12 port unmanaged switch. B. A wired router with an 8 port switch and a WAN port. C. A wireless router with an 8 port switch, and a WAN port. D. A 8 port firewall with one console port. |
A 12 port unmanaged switch
|
|
|
Which of the following source ports is MOST likely to be used by a client when making an
outbound TCP connection to a windows server? A. 80 B. 445 C. 3000 D. 3389 |
3000
|
|
|
A technician receives a work order that a user can no longer access any external websites. The
user is the only one affected, but can still access websites by IP address. Which of the following is the MOST likely cause? A. The workstation has been removed from the domain and needs to be re-added in directory services. B. The workstation is configured to use the IPv4 protocol instead of IPv6. C. The workstation is configured with an incorrect IP address of the DNS server. D. The workstation’s DHCP IP address has expired and has assigned itself an APIPA address. |
The workstation is configured with an incorrect address for the DNS server
|
|
|
A user is trying to connect to the wireless network in the office but is unable to establish a consistent connection. The computer alternates connecting between several similarly configured
access points. Which of the following would be the BEST way to address this issues? A. Adjust the signal strength of the access points with minimal coverage overlap. B. Increase the pool in each of the access points to avoid running out of IPs. C. Configure each access point to use a different method of encryption than the others. D. Reconfigure each of the access points so that they broadcast different SSIDs. |
Adjust the signal strength of the access points with minimal coverage overlap.
|
|
|
Which of the following wireless standards is the only one capable of operating in either of the
802.11 wireless spectrums? A. A B. B C. G D. N |
N
|
|
|
Which of the following WAN technologies has the highest latency?
A. POTS B. Cable C. Satellite D. DSL |
Satellite
|
|
|
Which of the following services are affected by closing the default ports of 80 and 21 via ACL on a
company router? A. FTP and basic Internet traffic B. HTTPS and IMAP traffic C. DNS and TELNET traffic D. VPN and RDP traffic |
FTP and basic Internet traffic
|
|
|
A network administrator is tasked with blocking unwanted spam is being relayed by an internal
email server. Which of the following is the FIRST step in preventing spam that is originating from bots on the network? A. Closing off port 25 on the firewall B. Closing off port 53 on the firewall C. Turning off the SMTP service on the email server D. Turning off the IMAP service on the email server |
Closing off port 25 on the firewall
|
|
|
Which of the following can a technician use when installing a wireless network in a lounge to
prevent inappropriate website images? A. Content filter B. VPN concentrator C. Load balancer D. Proxy server |
Content filter
|
|
|
The network administrator just upgraded all of the WAPs to new ones with 2.4 GHz b/g/n support.
The new WAPs reuse the same location and channel as the previous one and with no new external interference detected. However, performance issues are now occurring that did not exist before. Which of the following would correct the issue? A. Configure Wi-Fi Multimedia support B. Use only 20 MHz channel bandwidth C. Enable band steering to use 802.11n D. Configure Quality of Service |
Use only 20 MHz channel bandwidth
|
|
|
The network technician is working in an office that has both VoIP telephone lines and analog lines.
A user states that the fax machine is not sending or receiving faxes. The network technician determines that the fax machine uses an analog phone line. Which of the following tools would the technician use to troubleshoot the issue? A. Cable tester B. Buttset C. Toner probe D. Cable certifier |
Buttset
|
|
|
A technician has configured a router to authenticate VPN users to an LDAP server on the network.
In order to allow the authentication service, both UDP and TCP ports needed to be allowed on the router. Which of the following services was MOST likely used? A. Kerberos B. TACACS+ C. RADIUS D. 802.1x |
RADIUS
|
|
|
An administrator configuring remote access opens ports 500/UDP and 10000/UDP on the firewall.
Which of the following services are MOST likely being allowed? (Select TWO). A. SSL B. IPSec C. Kerberos D. RDP E. L2TP F. PPTP |
IPSec
L2TP |
|
|
An administrator wants to restrict traffic to FTP sites regardless of which PC the request comes
from. Which of the following would BEST accomplish this? A. An IP filtering ACL B. A MAC filtering ACL C. A port filtering ACL D. A class matching ACL |
A port-filtering ACL
|
|
|
A user has three different subnets in an office. Which of the following can be configured to allow
two of the subnets to communicate directly with each other at the switch level? A. 802.1af B. 802.1q C. 802.1x D. 802.2 |
802.1q
|
|
|
A technician has two wireless 802.11g APs. One is set to channel 1 and the other channel 6. The
APs appear to interfere with each other. Which of the following is MOST likely the reason? A. Channels below 9 overlap each other B. Channel width is set to 40MHz C. Channels are in the 5GHz range by mistake D. Channel 1 should have been set to 11 to avoid an overlap |
Channel width is set to 40 MHz
|
|
|
A user is having trouble with their fax machine disconnecting during transmissions. The technician
believes that a DSL signal may be on the same line as the fax. Which of the following tools would MOST likely help prove this hypothesis? A. Multimeter B. Cable tester C. Lineman's handset D. Toner probe |
Lineman's handset
|
|
|
Which of the following uses types and codes rather than ports?
A. EIGRP B. ICMP C. UDP D. IPv6 |
ICMP
|
|
|
A network administrator is reviewing logs and notices that a device with a public IP address is
trying to access the web server RDP port. Which of the following tools can be used to resolve the domain of the public IP address? A. arp B. nslookup C. ipconfig D. netstat |
nslookup
|
|
|
A technician is having issues accessing the Internet from the workstation. They are able to ping
the DNS server and their default gateway. Which of the following commands can be used to verify DNS is functioning properly? A. nslookup B. netstat C. traceroute D. nbtstat |
nslookup
|
|
|
Two workstations are unable to communicate on the network despite having known good cables.
When one device is unplugged from the network the other device functions properly. Which of the following could be the cause of this failure? A. Duplicate IP address B. Incorrect subnet mask C. Incorrect gateway D. Wrong DNS |
Duplicate IP address
|
|
|
Which of the following protocols are used to provide accurate time to network devices?
A. SMTP B. FTP C. TLS D. NTP |
NTP
|
|
|
Which of the following provides the STRONGEST security for a tunneled connection over the
Internet? A. RDP B. SMTP C. RAS D. IPSec |
IPSec
|
|
|
After deploying a network switch, the network administrator is unable to remotely administer the
device. The network administrator notices that the switch has the following configuration. Which of the following is the MOST likely cause of this issue? Management LAN: 192.168.10.0/24 Management interfacE. 192.168.10.2 255.255.255.0 Default gateway: 192.168.11.1 STP is enabled A. VLAN assignment B. Wrong subnet mask C. Switching loop D. Wrong gateway |
Wrong gateway
|
|
|
Which of the following can be used to decrypt SSL packets which encapsulate internal network
addresses in the payload? A. Proxy server B. Content filter C. Load balancer D. VPN concentrator |
VPN Concentrator
|
|
|
Users have contacted the helpdesk stating that they have been having difficulties staying
connected to the wireless network. They report that their laptops connect to one access point, drop the connection and then connect to a different access point in a never-ending cycle. Which of the following would BEST remediate this? A. Reconfigure the access points from 802.11b to 802.11g. B. Establish procedures which limit user connections during peak hours. C. Configure the access points so that they all use different SSIDs. D. Move one or more access points, minimizing signal overlap. |
Move one or more WAPs, minimizing signal overlap
|
|
|
A network administrator has decided to tighten company security after a recent data breach. The
new scheme calls for a strong 10 character password, a special 4 digit pin code, and a one-time use dynamic token that is accessed via a smartphone application. Which of the following is being implemented? A. Two-factor authentication B. Biometric security C. Multi-factor authentication D. Single factor authentication |
Two-factor authentication
|
|
|
A technician has set up a wired network IP scheme with the following specifications:
DHCP: 192.168.1.100-150 Gateway: 192.168.1.1 DNS: 192.168.1.1 Which of the following is represented by this addressing scheme? A. Static B. QoS C. Dynamic D. Dynamic with static reservation |
Dynamic
|
|
|
A technician needs to enter a username and password and have their fingerprint scanned to
access a server. Which of following types of authentication is this an example of? A. Single sign-on B. Network access control C. PKI authentication D. Two-factor authentication |
Two-factor authentication
|
|
|
A technician enters a username and password once and can access multiple databases without
being prompted to reenter their password. This is an example of which of the following? A. Two-factor authentication B. Network access control C. Multifactor authentication D. Single sign-on |
SSO
|
|
|
A company has a server with redundant power supplies. Which of the following is this an example
of? A. Traffic shaping B. Caching engines C. Fault tolerance D. Load balancing |
Fault tolerance
|
|
|
A network administrator is replacing old switches to support a VoIP deployment. Based on this
parameter, which of the following is MOST likely to be implemented on these new switches? A. PoE B. STP C. NAT D. VTP |
PoE
|
|
|
A network administrator has just been notified about the loss of Internet connectivity. Another
technician had just performed non-scheduled maintenance and mentioned that some cabling may have been moved. Which of the following MOST likely caused the loss of Internet connectivity? A. Broadcast storm B. TX/RX cables reversed C. Mismatched MTU D. Incorrect routing table |
TX/RX cables reversed
|
|
|
Which of the following protocols would the network administrator use to protect login credentials
when accessing a router terminal session? A. SCP B. SNMPv3 C. SSL D. SSH |
SSH
|
|
|
A network technician is doing a wireless audit and finds an SSID that does not match the
company’s SSID. The company uses the SSID of ABC123, and the SSID the technician found is Default. Which of the following threats did the network technician find? A. AP isolation B. DDoS C. Evil twin D. Rogue AP |
Rogue AP
|
|
|
A network administrator notices that load balancing is not working properly on the web cluster as
previously configured. In speaking with management, a change to the IP addressing scheme was made yesterday which possibly affected one member of the cluster. Due to the timing of the events, the administrator theorizes that this change caused the problem. Which of the following should the administrator do NEXT? A. Escalate to the management team B. Change the IP address back to its previous state C. Test the theory by analyzing logs D. Create a plan of action to present to management |
Test the theory by analyzing logs
|
|
|
Which of the following are standard fiber cable connector types? (Select TWO).
A. RJ-11 B. F-connector C. MTRJ D. DB-9 E. ST |
MTRJ
ST |
|
|
A user would like to connect two laptops together and transfer files via the Ethernet ports. Which
of the following should MOST likely be provided to the user to accomplish this? A. Crossover B. Rollover C. Loopback D. Straight cable |
Crossover
|
|
|
Hubs are differentiated from switches in that between the two, only hubs have:
A. a single collision domain. B. a single broadcast domain. C. multiple collision domains. D. multiple broadcast domains. |
A single collision domain
|
|
|
The phone company has provided a channelized T1 line. Which of the following should this line be
connected to? A. Switch B. CSU/DSU C. IDF D. MDF |
CSU/DSU
|
|
|
Which of the following spreads out each of the individual wires of a UTP cable onto their own
metal connector? A. BNC connection B. 110 block C. Plenum D. LC connector |
110 block
|
|
|
A user at a hotel sees two SSIDs; both are called "HotelWireless". After the PC connects to one of
the APs, the user notices their browser homepage has been changed. Which of the following BEST describes this AP? A. Man-in-the-middle B. DDoS C. Evil twin D. War driving |
Evil twin
|
|
|
An administrator would like to search for network vulnerabilities on servers, routers, and
embedded appliances. Which of the following tools would MOST likely accomplish this? A. Baseline analyzer B. Ping C. Protocol analyzer D. Nessus |
Nessus
|
|
|
A technician needs to install a new wireless encryption system. They are evaluating the feasibility
of implementing WPA. WPA increases protection over WEP by implementing which of the following? A. Strong RC4 encryption B. Shared secret keys C. AES encryption D. Key rotation |
Key rotation
|
|
|
A network administrator wants to perform a test to see if any systems are passing clear text
through the network. Which of the following would be used? A. Social engineering B. Packet sniffing C. Rogue access point D. Man-in-the-middle |
Packet sniffing
|
|
|
A network administrator is setting up a WAP and wants to disable the ability of gaining access
from the parking garage. Which of the following should the network administrator review? A. Signal strength B. SSID name C. WPA2 encryption D. WEP encryption |
Signal strength
|
|
|
A network administrator wants to balance the amount of data between two networking cards.
Which of the following can be used for two or more networking cards? A. NIC bonding B. Proxy server C. Firewall ACLs D. VLANs |
NIC bonding
|
|
|
A home user states during a basement remodel, one of the workers cut the network cable that
goes from the modem to the WAP and nothing else has changed. According to the network troubleshooting methodology, which of the following is the NEXT step? A. Identify the problem B. Question the user C. Establish a plan of action D. Establish a theory of probable cause |
Establish a plan of action
|
|
|
Which of the following assists a network administrator in reverse engineering malware and
viruses? A. Virtual switches B. Virtual machines C. VLANs D. IDS |
VM
|
|
|
Which of the following layers of the OSI model make up the Network Interface layer of the TCP/IP
model? (Select TWO). A. Application B. Physical C. Presentation D. Transport E. Data Link F. Network |
Physical and Data Link
|
|
|
At which layer of the OSI model do MAC addresses operate?
A. Data Link B. Network C. Application D. Physical |
Data Link
|
|
|
A network technician recently replaced a managed switch in an enterprise network with a new managed switch. Users on the switch can communicate with each other but now cannot access other network segments. Which of the following is the MOST likely reason that the users are
unable to access any network segments? A. The newly installed switch is defective and must be returned. B. The newly installed switch is using a different MAC address than the previous switch. C. The technician forgot to change the VTP mode on the new switch to server. D. The technician did not use the correct cable when trunking the new switch. |
The tech did not use the correct cable when trunking the new switch
|
|
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A network administrator currently collects log files from several different servers. Which of the
following would allow the network administrator to collect log files on a centralized host? A. The network administrator should install and configure a traffic analysis server. B. The network administrator should install and configure a DMZ server. C. The network administrator should install and configure a syslog server. D. The network administrator should install and configure a network sniffer. |
The network administrator should install and configure a syslog server
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A company has been given a Class C address to be utilized for all devices. The company has
several subnets and the largest subnet has 15 hosts. Which of the following represents the MINIMUM CIDR notation of this subnet mask? A. /26 B. /27 C. /28 D. /29 |
/27
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A company has gone through several upgrades on their network but unfortunately have no way of
identifying who approved the upgrades. Which of the following should be implemented to track this type of work? A. Change management B. Asset management C. Access log D. Baselines |
Change Management
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An administrator is trying to retrieve management information from the network devices on their
LAN. Which of the following monitoring resources provides the ability to collect this information encrypted over the network? A. SNMPv3 B. VTP C. CDP D. IPSec |
SNMPv3
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Which of the following WAN technologies utilizes an optical SONET carrier and has a maximum
bandwidth of 155.54Mbps? A. DS3 B. E3 C. OC3 D. T3 |
OC3
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A network administrator decides to secure their small network by allowing only specific MAC
addresses to gain access to the network from specific switches. Which of the following is described by this example? A. Packet filtering B. Hardware firewalls C. Port security D. Stateful inspection |
Port security
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Which of the following is used to limit the amount of bandwidth used on a link for different
applications to improve overall performance? A. QoS B. Fault tolerance C. Load balancing D. Traffic shaping |
Traffic shaping
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Users are reporting that all of a sudden some of the files stored on the remote file server share are
becoming corrupted and cannot be opened. A technician is dispatched to the server room to troubleshoot. The technician verifies that no changes to the network infrastructure occurred recently. Which of the following tools is MOST likely to reveal why files are becoming corrupted? A. Environmental monitor B. OTDR C. Cable tester D. Punch down tool |
Environmental monitor
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A large corporate office is looking to place smaller network closets around campus to handle
switching for remote workstations. To which of the following is this referring? A. MDF B. VPN C. RDP D. IDF |
IDF
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MIMO technology in the 802.11n standard provides for which of the following benefits?
A. Channel expansion B. Gigabit wireless bandwidth C. Multipath support D. Channel bonding |
Multipath Support
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A small office is looking to deploy wireless to cover one half of the work area only. The technician
is restricted to suspending the WAP in the middle of the office due to network jack limitations. Which of the following antenna types would BEST meet these requirements? A. Dipole B. Parabolic C. Directional D. Omni-directional |
Directional
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If a technician does not assign an IP address to a device, the DHCP server will assign the device
A. A. static IP address. B. reservation. C. dynamic IP address. D. MAC address. |
Dynamic IP address
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A technician has been called about intermittent connectivity near IDF 2. Multiple cables were
recently pulled through a common conduit. Which of the following is MOST likely the cause of the problem? A. Crosstalk B. Bad connectors C. Wrong DNS D. Duplicate IP address |
Crosstalk
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Which of the following would be used on a network to ensure access to resources if a critical host
becomes unavailable? A. QoS B. CARP C. VLAN D. DHCP server |
CARP
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Which of the following is used to ensure traffic flows efficiently on multiple T-1 circuits?
A. DNS server B. Content filter C. Proxy server D. Load balancer |
Load balancer
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All users on a specific network segment report losing access to the wired network. During
troubleshooting, the network administrator observes link lights on the workstations. When physically reviewing each switch, the network administrator changes the switch view settings to Activity and sees that all port lights remain solid green. Which of the following is MOST likely causing this issue? A. STP convergence B. Power failure C. Excessive bandwidth usage D. Broadcast storm |
Broadcast storm
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Which of the following STP states indicates an inactivated port due to a loop?
A. Disabled B. Learning C. Blocking D. Forwarding |
Blocking
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Which of the following cables supports 10Gbps throughput and 100 meters as the maximum distance?
A. T1 crossover B. Singlemode fiber C. CAT6a D. Coaxial |
CAT6a
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A number of remote users have reported being unable to securely log on to the company’s
network. Upon speaking with some of the employees experiencing the issue, no changes were made to their configurations, usernames, or passwords. The technician establishes a theory that one of the VPN concentrators may be down. Which of the following should the technician do NEXT? A. Plan to reboot the concentrator as the potential solution B. Escalate the problem to management C. Continue to speak to users, questioning if changes have been made D. Test access to the concentrator to confirm the status |
Test access to the concentrator to confirm status
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In a small office environment, one computer is set up to provide Internet access to three other
computers that are not interconnected. This is an example of which of the following topology types? A. Peer-to-peer B. Point-to-multipoint C. Hybrid D. Point-to-point |
Point to multipoint
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A network technician is trying to run a protocol analyzer and is instructed to record the chimney
offload state of TCP. Which of the following utilities did the technician use to check this parameter with the output listed below? Querying active state... TCP Global Parameters ---------------------------------------------- Receive-Side Scaling State : enabled Chimney Offload State : disabled Receive Window Auto-Tuning Level : normal Add-On Congestion Control Provider : ctcp ECN Capability : disabled RFC 1323 Timestamps : disabled A. net B. netstat C. nbtstat D. netsh |
netsh
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Which of the following can use a third party back-end LDAP user database for authentication?
A. ISAKMP B. TACACS+ C. PKI D. CHAP |
TACACS+
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A technician has spent most of the day replacing a server running DHCP. Some of the users have
begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users’ PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server. Which of the following is the BEST way to provide the PCs with issues a new IP address? A. Statically assign a legitimate IP address, and then set the PCs’ NICs to DHCP B. Inform each user to replace 169.254 with 192.168 C. Wait five minutes until the PC resends a DHCP request D. Run netstat on each PC and then reboot into safe mode |
Wait 5 minutes unti lthe PC resends a DHCP request
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A network administrator is implementing an IPS on VLAN 1 and wants the IPS to learn what to
prevent on its own. Which of the following would MOST likely be installed? A. Honeynet B. Signature based IPS C. Behavior based IPS D. Host based IPS |
Behavior based IDS
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Which of the following network topologies is ONLY possible between two users?
A. Star B. Client-server C. Hybrid D. Peer-to-peer |
peer to peer
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Ann, a new user, is unable to communicate on the network from her computer. A technician has
verified that the cables are functioning properly. Based on the information below, which action should the technician take to correct Ann’s problem? Computer_ASwitch_A IP: 10.0.0.60Int VLAN10 SM: 255.255.255.0IP address 10.0.0.1/28 GW: 10.0.0.1Speed 100 Duplex Full A. Change the duplex on the switch interface to half B. Change the speed on the switch interface to 10Mbps C. Change the subnet mask of the computer to 255.255.255.240 D. Change the IP address of the computer to 10.0.0.12 |
Change the IP address of the computer to 10.0.0.12
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A new technician has been tasked with implementing a QoS policy for the Network. The technician
decides it would be best to monitor the information traversing the network to gain statistical information on ports and protocols utilized. Which of the following tools should the technician use to complete this objective QUICKEST? A. Traffic analyzer B. Network sniffer C. SNMPv3 D. System logs |
Traffic analyzer
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Users report that they are unable to access the production server with IP address 192.168.30.17.
These users need to be provided access without changing any subnet to VLAN information. The VLANs configured on the network are listed below: DepartmentVLAN #Subnet used Marketing20192.168.20.0/28 Customer Service25192.168.20.64/28 Finance30192.168.30.0/28 WHSE35192.168.30.16/28 Sales40192.168.3.16/28 The users experiencing this issue need to be added to which of the following VLANs? A. 25 B. 30 C. 35 D. 40 |
35
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A technician is installing an 802.11n network. The technician is using a laptop that can connect at
a maximum speed of 11 Mbps. The technician has configured the 802.11n network correctly but thinks it could be the type of WLAN card used on the laptop. Which of the following wireless standards is the WLAN card MOST likely using? A. 802.11a B. 802.11b C. 802.11g D. 802.11n |
802.11b
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Which of the following firewall rules will block destination telnet traffic to any host with the source
IP address 1.1.1.2/24? A. Deny any source host on source port 23 to destination any B. Deny any source network 1.1.1.0/24 to destination any on port 23 C. Deny source host 1.1.12 on source port 23 to destination any D. Deny any source network 1.1.1.0/24 with source port 23 to destination any |
Deny any source network 1.1.1.0/24 to destination any on port 23
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Which of the following addresses is a class B private address?
A. 132.216.14.184 B. 152.119.25.213 C. 162.17.43.22 D. 172.23.226.34 |
172.23.226.34
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A technician installs a wireless router on an existing network by connecting it directly to the
firewall. By default, the main network is a Class A network, while the wireless network is a Class C network. After the wireless router is installed, users connected to the wireless network report they are unable to connect to the Internet. Which of the following needs to be configured to BEST resolve this issue? A. Configure the main network to Class C B. Allow for duplicate IP addresses C. Allow the main network to handle DHCP D. Create a spanning tree to prevent switching loops |
Allow the main network to handle DHCP
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Which of the following configurations of a wireless network would be considered MOST secure?
A. WEP using MAC Filtering B. WEP and hiding the SSID C. WPA2 D. WPA TKIP and hiding the SSID |
WPA2
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Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on
the same subnet? A. /19 B. /21 C. /22 D. /24 |
/21
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DHCP uses which of the following ports by default?
A. 21 B. 23 C. 68 D. 443 |
68
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Which of the following describes a manually entered route?
A. Static B. Dynamic C. Multicast D. Unicast |
Static
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Which of the following is the unit used to transfer information at Layer 2 of the OSI model?
A. Packet B. Socket C. Session D. Frame |
Frame
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A network technician visits a site that needs voice connectivity to the corporate office and installs
four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used? A. Virtual switch B. Virtual server C. Virtual desktop D. Virtual PBX |
Virtual PBX
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A client has just leased a new office space in a busy commercial building and would like to install a
wireless network. Several other tenants are on the same floor. Multiple wireless networks are present in the building. Which of the following can be changed on the client’s wireless network to help ensure that interference from other wireless networks is at a minimum? A. WPA encryption key selection B. Channel selection C. Antenna types D. Disable SSID |
Channel selection
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A MAC address is a part of which of the following OSI model layers?
A. Network B. Data Link C. Physical D. Transport |
Data Link
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Which of the following is the reason why a company’s network may contain a DHCP server?
A. To assign IP addresses to devices on the network B. To convert IP addresses to fully qualified domain names C. To provide POP3 and IMAP email functionality D. To allow secure remote access |
To assign IP addresses to devices on the network
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A company recently added an addition to their office building. A technician runs new plenum
network cables from the switch on one side of the company's gymnasium 80 meters (262 ft.) to the new offices on the other side, draping the wires across the light fixtures. Users working out of the new offices in the addition complain of intermittent network connectivity. Which of the following is MOST likely the cause of the connectivity issue? A. dB loss B. Distance C. Incorrect connector type D. EMI E. Crosstalk |
EMI
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Which of the following tools would a technician use to determine if a CAT6 cable is properly
terminated? A. Cable tester B. Punch down tool C. Crimper D. Multimeter |
Cable tester
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An administrator is able to list the interfaces on a switch after providing the community string
"public". Which of the protocols is the administrator MOST likely using? A. Telnet B. RADIUS C. SSH D. SNMP |
SNMP
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Which of the following characteristics allows an 802.11g WAP to have transfer speeds up to
108Mbps? A. MIMO technology B. Channel bonding C. Encryption type D. Frequency |
Channel bonding
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The systems administrator has assigned an IP address and default gateway to a standard Layer 2
switch. Which of the following would be the primary purpose of doing this? A. Allow VLAN routing B. Enable packet filtering on the switch C. Allow remote administration of the switch D. Enable MAC filtering on the switch |
Allow remote administration of the switch
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Ann, a technician, installs a wireless router in a network closet in a large office. She then
configures all workstations in various offices on that floor to use the wireless connection. Maximum connection speed at each workstation is 54 Mbps. Some users complain that their network connection is very slow. Which of the following is MOST likely the problem? A. Workstations were configured with the wrong connection speed on the wireless adapter. B. Users with a slow connection are too far away from the wireless router. C. Users that cannot connect are configured on the wrong channel. D. Wireless network SSID is incorrect |
Users with a slow connection are too far from the wireless router
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Which of the following dynamic routing protocols selects routing paths based upon hop count?
A. BGP B. RIP C. OSPF D. IGRP |
RIP
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A technician, Joe, visits a site that has reported a network down emergency. He immediately
reboots the switches and the router since the network is down. Which of the following network troubleshooting methodology steps should Joe have performed FIRST? A. Determine if anything has changed B. Once a theory is confirmed determine the next step is to resolve the problem C. Implement the solution or escalate as necessary D. Question the obvious |
Determine whether anything has changed
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A network technician is designing a SOHO environment where cost is a consideration. The
requirements include access to the Internet and access to the guest house which is 100 feet away. The location of the Internet modem is located in the main house. Which of the following is the BEST option to accomplish these requirements? A. Use two combined Internet/router/wireless devices, one in each house. B. Use a Layer 3 switch in the main house and a combined Internet/router/wireless device in the guest house. C. Use a combined Internet/router/wireless device in the main house and a wireless access point in the guest house. D. Use a single combined Internet/router/wireless device at the guest house. |
Use a combined Internet/router/wireless device in the main house and a wireless access point
in the guest house |
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Which of the following cable types is MOST commonly used with POTS?
A. CAT3 B. Multimode C. CAT6 D. Coaxial |
CAT3
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Which of the following is used to determine whether or not a user’s account is authorized to
access a server remotely? A. VPN B. RDP C. LDAP D. Encryption |
LDAP
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A firewall that detects and prevents attacks from outside the network based on learned data
patterns can BEST be described as which of the following? A. Signature based IDS B. Behavior based IPS C. Host based IPS D. Network based IDS |
Behavior based IDS
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Which of the following technologies prevents network collisions to maximize safe delivery of
network data? A. CSMA/CA B. DWDM C. RADIUS D. SONET |
CSMA/CA
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Which of the following are authentication methods that can use AAA authentication? (Select
TWO). A. Kerberos B. PKI C. TKIP/AES D. MS-CHAP E. RADIUS F. TACACS+ |
RADIUS and TACACS+
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A company is connected to an ISP, but owns the premise router with an internal CSU/DSU. Which
of the following is considered the demarc? A. Premise router B. ISP router C. Smart jack D. CSU/DSU |
Smart Jack
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Which of the following are considered AAA authentication methods? (Select TWO).
A. Kerberos B. Radius C. MS-CHAP D. TACACS+ E. 802.1X |
RADIUS
TACACS+ |
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An IP camera has a failed PoE NIC. This is the third time in months that a PoE NIC has failed on
this device. The technician suspects a possible power issue. Which of the following should be used to test the theory? A. Toner probe B. Loopback plug C. Protocol analyzer D. Multimeter |
Multimeter
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A technician is troubleshooting a network issue and needs to view network traffic on a switch in
real-time. Which of the following would allow the technician to view network traffic on a switch? A. ISAKMP B. Port forwarding C. Port security D. Port mirroring |
Port mirroring
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A technician finds that the network card is no longer functioning. At which of the following OSI
layers is the problem occurring? A. Layer 1 B. Layer 3 C. Layer 5 D. Layer 7 |
Layer 1
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The address 6FFE:FFFF:0000:2F3B:04AC:00FF:FEBE:5C4A is an example of which of the
following? A. APIPA B. MAC C. IPv4 D. IPv6 |
IPV6
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An administrator has added four switches to a campus network. The switch in wiring closet A is
only connected to the switch in wiring closet C. The switch in wiring closet B is connected to the switch in wiring closet C as well as wiring closet D. The switch in wiring closet D is only connected to the switch in wiring closet B. Which of the following topologies is represented in this design? A. Ring B. Star C. Bus D. Mesh |
Bus
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A company wants an administrator to perform a vulnerability test. The administrator finds the
company has a POTS phone system. Which of the following can the administrator use to point out the phone system vulnerability? A. Honeypot B. Butt set C. Spyware D. Blue jacking |
Butt set
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Which of the following is used to explain guidelines for users while using network resources?
A. Network cut sheet B. Baselines C. Acceptable use policy D. Regulations |
AUP
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Standards such as JPEG and ASCII operate at which of the following OSI model layers?
A. Presentation B. Data link C. Session D. Application |
Presentation
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Which of the following cable types is employed to protect against interference in the physical
environment or when security is a concern? A. STP B. RG-6 C. Fiber D. RG-59 |
Fiber
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Which of the following is true of a client/server topology?
A. Virtual servers are used to stream data to other remote servers B. Servers are used to connect to centralized clients C. Remote clients connect to a centralized server D. Remote clients connect to each other via a virtual server |
Remote clients connect to a central server
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Which of the following protocols are used to view and send mail from a local host off of a remote
server? (Select TWO). A. TFTP B. SNMP C. POP3 D. IMAP4 E. SFTP |
POP3
IMAP4 |
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Which of the following is a common connector used on a coaxial cable?
A. RJ-45 B. DB-25 C. BNC D. LC |
BNC
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Which of the following commands would be used to identify how many hops a data packet makes
before reaching its final destination? A. route B. netstat C. traceroute D. ping 127.0.0.1 |
traceroute
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A company has asked the network administrator to restrict access to any websites with
unauthorized material. Which of the following technologies would BEST accomplish this? A. Content filter B. Packet filter C. IPS D. IDS |
Content filter
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Which of the following differentiates a layer 3 switch from a layer 2 switch?
A. Routing B. Bridging C. Switching D. Repeating |
Routing
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A multi-layer switch operates at which of the following OSI layers?
A. Layers 1 and 5 B. Layers 2 and 3 C. Layers 4 and 5 D. Layers 5 and 6 |
Layers 2 and 3
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Which of the following is a link state routing protocol?
A. RIPv2 B. BGP C. IS-IS D. RIP |
IS-IS
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A technician needs to make a web server with a private IP address reachable from the Internet.
Which of the following should the technician implement on the company firewall? A. DOCSIS B. NAT C. CIDR D. VPN |
NAT
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Which of the following defines an IP address that is NOT routed on the Internet?
A. Multicast B. Public C. Private D. Classful |
Private
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