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113 Cards in this Set
- Front
- Back
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What command must you use to enter global configuration mode? |
Configure Terminal |
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What command must you use to enter privilege mode? |
Enable |
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What mode must you be in to password protect user exec mode? |
line con 0 |
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What is the 5th networking layer? |
Application |
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What is the 4th networking layer? |
Transport |
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What is the 3rd networking layer? |
Network |
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What is the 2nd networking layer? |
Data Link |
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What is the 1st networking layer? |
Physical |
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What is the Class A IP range? |
1 - 126 |
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What is the Class B IP range? |
128 - 191 |
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What is the class C IP range? |
192 - 223 |
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What is the Class D IP range? |
224 - 239 |
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What is the class E IP range? |
240 - 255 |
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What stores the running - config? |
RAM |
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What stores the startup - config? |
NVRAM |
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Where is the IOS file stored? |
Flash |
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What is stored in the ROM? |
Bootstrap & ROMMON |
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What mode does the ">" symbol signify? |
User Exec Mode |
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What command moves ports to a VLAN? |
(config-if)#switchport access VLAN # |
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What command allows you to view your VLANs? |
#show VLAN |
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What command allows you to see detailed information on a specific VLAN? |
#show interface VLAN # |
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What command allows you to enter the config-vlan mode? |
(config)#vlan # |
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What command allows you to change the name of a VLAN? |
(config-vlan)#name namehere |
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What command allows you to set an interface as an access port? |
(config-if)#switchport mode access |
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What command allows you to change an interface to a trunk line? |
(config-if)#switchport mode trunk |
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What does a trunk line allow you to do? |
Allows VLANs with the same name to communicate across multiple switches |
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What command lets you create a VLAN? |
(config)#vlan # |
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Trunking isn't required when going from switch to switch if all PCs are in the default VLAN and belong to the same network. True or false? |
True |
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What is the command for enabling an access port? |
switchport mode access |
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What is the command for turning on switchport security? |
switchport port-security |
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What is the command for setting maximum allowed MAC addresses for port security? |
switchport port-security maximum # |
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What command lets you set allowed MAC addresses statically? |
switchport port-security mac-address MACHERE |
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What command lets you set allowed MAC addresses automatically? |
Switchport port-security mac-address sticky |
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What command allows you to set a port security violation mode? |
Switchport port-security violation "protect, restrict, or shutdown" |
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What command allows you to view your port security across all interfaces? |
Show port-security |
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What command allows you to view port-security for specific interfaces? |
Switchport port-security interface fa0/1 |
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How do you renable a port after a violation? |
shutdown -> no shutdown |
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Can a trunk line belong to a VLAN? |
No! Never! |
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What does PPP stand for? |
Point-to-Point |
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What type of cable does a PPP connection use? |
Ethernet |
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What does HDLC stand for? |
High Data Link Control |
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What type of cable is normally used in an HDLC connection? |
Serial |
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What encapsulation information NEVER changes? |
Source and Destination IP Addresses |
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Using HDLC, what type of packet header is used? |
HDLC Header |
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Which connection is better for a large area? PPP or HDLC? |
PPP |
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Within the router CLI, what command do you use to change the IP address of an interface? |
(config-if)#ip address IPHERE MASKHERE |
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What command must be issued so that a router's port is ready for use? |
(config-if)#no shutdown |
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What command is used to check the route of an IP? |
#show ip route |
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What does DTE stand for? |
Data Terminal Equipment (Example: Router) |
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What does DCE stand for? |
Data Communication Equipment (Example: Modem or CSU/DSU) |
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What is the job of the DCE? |
To provide clocking (clock rate) for the connection. |
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What is a WIC? |
WAN Interface Card |
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2,000,000 is the default DCE clock rate. True or false? |
True |
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Which interface is usually bigger? DTE or DCE? |
DCE |
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When setting up IP routing in the router CLI, which prompt must you be at? |
Global Configuration |
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To configure an IP route, what command do you issue? |
(config)#ip route DestinationNetworkID DestinationNetworkMask IPofNextHop |
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What mode must you be in to configure the DCE clock rate? |
(config-if) for the correct interface |
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How do you remove a previously set ip/subnet from an interface? |
(config-if)#no ip address |
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How do you view information about all the controllers? |
#show controllers |
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How do you view information for a specific controller? |
#show controllers INTERFACEHERE |
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How can you execute "show" commands without being in privilege mode? |
Typing "do" before the show command will cause them to work properly at any prompt global configuration or higher. |
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What is administrative distance? |
A measure of trustworthiness. The smaller the distance, the more trustworthy it is. |
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What is the default route? |
ip route 0.0.0.0 0.0.0.0 [interfaceout] (goes everywhere) |
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What is the administrative distance for a directly connected line? |
0 |
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What is the administrative distance for a Static connection?
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1 |
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What is the administrative distance for a BGP (ext)? |
20 |
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What is the administrative distance for a EIGRP (int)? |
90 |
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What is the administrative distance for an IGRP? |
100 |
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What is the administrative distance for OSPF? |
110 |
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What is the administrative distance for IS-IS? |
115 |
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What is the administrative distance for RIP? |
120 |
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What is the administrative distance for EIGRP (ext)? |
170 |
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What is the administrative distance for BGP (int)? |
200 |
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What is the administrative distance for an unusable? |
255 |
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If a router has more than one route to a single destination, which one will it pick? |
The one with the lowest administrative distance. (i.e. static over ospf). |
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What metric does RIP use? |
Hop Count |
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What metric does OSPF use? |
Cost (Bandwidth) |
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What metric does EIGRP use? |
Hop Count vs. Cost (2) |
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What is a distance vector? |
The physical distance between network items. Distance vectors choose the SHORTEST route. |
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What is a link state? |
Quality of the road. Link states choose the FASTEST route. |
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What is the maximum hop count with RIP? |
15 |
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What "mask" must be used when applying OSPF routes? |
Wildcard Mask |
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What 2 commands must you enter to begin setting up RIP? |
(config)#router rip (config)#version [1-2] |
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When setting up OSPF, what command goes in the final block? -> network [ID] [WILDCARD] [??] |
The Area |
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What is an ACL? |
Access Control List - filters that control what traffic is allowed. |
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By default, ACL's will ____ everything. |
Deny |
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What is the range for standard ACL's? |
1-99 & 1300-1999 |
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Where do you implement Standard ACL's? |
As close to the destination as possible. |
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What type of mask do ACL's use? |
Wildcard Masks |
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What is the range for extended ACL's? |
100-199 & 2000-2699 |
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Where are extended ACL's implemented? |
As close to the SOURCE as possible. Can use multiple filters instead of just 1 like standard. |
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In what mode do you create ACL's? |
Global Configuration |
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After creating an ACL, what must be done? |
You must implement them on the proper interface. |
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In ACL's, if "permit any" comes before "deny" ______. |
Will fail to work properly (be allowed). The list order decides. |
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What command must you use to create an access control list? |
(config)#access-list # [commands here] |
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What is port 20? |
FTP data via TCP |
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What is port 21? |
FTP Control via TCP |
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What is port 22? |
SSH (Secure Shell) via TCP |
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What is port 23? |
Telnet via TCP |
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What is port 25? |
SMTP (simple mail transfer protocol) via TCP |
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What is port 53? |
DNS (domain name services) via UDP (client) and TCP (server) |
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What are ports 67 & 68? |
DHCP (dynamic host control protocol) via UDP |
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What is port 69? |
TFTP (trivial file transfer protocol) via UDP |
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What are ports 80 and 8080? |
HTTP (hyper text transfer protocol) via TCP |
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What is port 110? |
POP3 (email protocol) via TCP |
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What is port 143? |
IMAP (email protocol) via TCP |
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What is port 161? |
SNMP (simple network management protocol) via UDP |
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What is port 443? |
SSL (secure socket layer/HTTPS) via TCP |
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What is port 3389? |
RDP (remote desktop protocol) via UDP |
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What is IDS? |
Intrusion Detection System |
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What does IDS do? |
Detects malicious network traffic and sends an alert to the admin of the network |
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What is IPS? |
Intrusion Prevention System |
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What does IPS do? |
Prevents malicious traffic from infiltrating a network. |
