Comptia A+ Essentials 220-701, 4 0F 6, Networking

Front 1

Which of the following are valid Ipv6 addresses (Choose two)

Back 1

- 2BA4:D987: 9BAD: 2AC3: 56DC:1011:CABD:987C
- 2BA4:D987: 9BAD::1011:CABD:987C

Front 2

When a computer can both access and share resources on a network it is called a:

Back 2

- Peer.

Front 3

A customer is considering upgrading his office to wireless networking. His only concern is that the phone system in the office uses 900Mhz cordless handsets and headsets for all workstations. Armed with this information which Wireless specification would overcome this issue?
a. 802.11b
b. 802.11a
c. 802.11
d. any of these
e. 802.11g

Back 3

- Any of these

Front 4

When choosing the appropriate network interface adapter for a system you would consider all of the following EXCEPT:

Back 4

MAC address compatibility

Front 5

The IP address 190.137.125.117 is a __________ address.

Back 5

Class B
Remember, You can tell the Class of network address by looking at the first octet of the IP address. Class A - ranges from 1 to 127. Class B - ranges from 128 to 191. Class C - ranges from 192 to 223.\n http://pclt.cis.yale.edu/pclt/COMM/TCPIP.HTM

Front 6

In a Microsoft TCP/IP environment, how is the problem of dynamic addressing tackled?

Back 6

DHCP

Front 7

Which of the following will be supported by TCP/IP? (Choose three)

Back 7

- Token Ring
- Modem dial-up
- Ethernet

Front 8

How wide is each channel on an 802.11b-compliant DSSS system?

Back 8

- 22MHz

Front 9

Which of the following are capable of 622 Mbps of bandwidth?

Back 9

ATM

Front 10

An inbound modem converts:

Back 10

Analog to Digital

Front 11

Which one of the following does NOT specify equipment that uses the 2.4-GHz ISM band?
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11

Back 11

802.11a
Operation in the UNII bands automatically makes 802.11a devices incompatible with all other devices complying with the other 802.11 series of standards. The reason for this incompatibility is simple: systems using 5-GHz frequencies do not communicate with systems using 2.4 -GHz frequencies.

Front 12

If you are able to use FTP, this verifies which transport protocol is functioning?

Back 12

TCP

Front 13

Of the media types listed below, which would be considered the most difficult to implement?

Back 13

Fiber optic

Front 14

Which type of an Ethernet network is most likely in use with RJ-45 connectors to attach computers to the network?

Back 14

10Base T

Front 15

Capturing pertinent statistical information about network behavior over a period of time to determine what is normal operational behavior is called what?

Back 15

Baselining.

Front 16

Which of the following is a legitimate NetBIOS name?
a. Manufacturing1
b. Manufacturingblue
c. *Manufacturing
d. *manu1

Back 16

Manufacturing1
User assignable NetBIOS names are Maximum 15 characters in length (plus one byte to identify the process). No wildcard characters are permitted.

Front 17

Of the acronyms given, which best describes an IEEE 1394 compliant cable?
a. STP
b. 4 wire Cat 3
c. 1392FW
d, UTP

Back 17

STP

Front 18

In order to save space on Fiber Optic patch panels Lucent Technologies developed a smaller connector. Which choice below correctly identifies this connector type?

Back 18

LC
Lucent Technologies developed a smaller fiber optic connector called the LC connector

Front 19

When running network cabling it's important to avoid placing the cables next to heavy machinery, printers and heating units. This is to avoid What?

Back 19

Electromagnetic Interference (EMI)

Front 20

The Internet uses which network protocol?

Back 20

TCP/IP

Front 21

Which one of the following can transmit at speeds up to 56,000 (56K)\nbits per second?

Back 21

V.92
Remember, V.92 is the modem standard for speeds up to 56,000 (56K)\nbits per second.\n

Front 22

What is the minimum cable type specified for 100BaseTX?

Back 22

Category 5

Front 23

how would you identify a BNC Connector?

Back 23

10BASE-2, also known as ThinNet, is an inexpensive RG-58 shielded coax cable. ThinNet supports a maximum of 30 nodes and a maximum length of 185 meters per segment. ThinNet uses a BNC (Bayonet Neill-Concelman) connector

Front 24

What are considered ''broad band'' connections used for high speed internet connectivity? (Choose two)

Back 24

- DSL
- Cable

Front 25

Which Cable is the most resistant against wire-tapping or EMI?

Back 25

- Fiber Optic

Front 26

Bluetooth technology, which is included as part of IEEE 802.15, is an example of which use of spread spectrum technology?

Back 26

WPAN

Front 27

Full-duplex is?

Back 27

- Both directions simultaneous

Front 28

Which of the following wireless LAN standards specifies the lowest data transfer rate?
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11

Back 28

802.11
IEEE 802.11-the original wireless LAN standard that specifies the slowest data transfer rates in both spread spectrum RF and infrared transmission technologies.

Front 29

Which of the following types of networks provides the best security and centralized management?

Back 29

Client Server.

Front 30

The speed of a T1 line is:

Back 30

1.544 Mbps.
A T1 line is divided into 24 discrete, 64Kbps channels. By computing 64x24 you get to 1.536 add 8k for framing (overhead) and you come to 1.544 Mbps.

Front 31

You are connecting a home network to a cable modem for the purpose of sharing the internet connection. What network connectors will you be using?

Back 31

RJ45

Front 32

You are making a Gigabit network what kind of wire will you use?

Back 32

Cat 6

Front 33

Which of the following uses two pairs of wires of CAT 5 and can transmit at 100 Mbps?

Back 33

100BaseTX

Front 34

Unshielded Twisted Pair (UTP) type cable uses which connector?

Back 34

RJ-45

Front 35

Ethernet uses either a ____ or ____ topology.

Back 35

- bus, star

Front 36

The distance of a 100BaseTX segment is?

Back 36

100 meters

Front 37

IP addresses that are assigned to a node each time it connects to the network are called ____ IP addresses.

Back 37

dynamic

Front 38

6 wire STP cable provides both data and power to connected FireWire devices.
a. True
b. False

Back 38

True
IEEE 1394 cabling uses two cable pairs to transmit and receive data. The additional two pair ,if present, carry power to the device.

Front 39

What are advantages of 802.11b DSSS over 802.11 FHSS? (Choose two.)

Back 39

- Throughput
- Cost

Front 40

You are researching a wireless bridge. Your bridge will be located about 130 meters from the nearest wired network segment. Which type of wired connectivity should the bridge provide?

Back 40

100BaseFX

Front 41

The most common FDDI cabling system is ____.

Back 41

Fiber-optic

Front 42

Which items of information does Windows XP have to have configured in order to utilize TCP/IP in a network? (Choose 2)

Back 42

- IP address.
- Subnet mask.

Front 43

A FireWire port can support 63 interconnected devices. Which choice below correctly identifies the process of connecting FireWire devices together?

Back 43

Daisy Chaining

Front 44

After connecting a home computer to a cable modem and router, how should you restart the individual components?

Back 44

- Modem, Router, PC

Front 45

Which wireless technology listed below operates at 1 MBPS and has a range of 10 meters?

Back 45

- Bluetooth

Front 46

Which of the following would you use to connect two computers together in an Ethernet peer to peer network using RJ-45 connectors and Category-5 Cable?

Back 46

- Cross over cable

Front 47

What cable would you use to connect a server 1 KM away without the use of a repeater?

Back 47

- Fiber Optic

Front 48

How are IPX nodes addressed on the network?

Back 48

- Manufacturers assign NIC address

Front 49

Of the IEEE specifications listed below, which ones are capable of operating at 54Mbps? (Choose all that apply)
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11

Back 49

- 802.11g
- 802.11a

Front 50

From the list of devices and objects given, select only those that would represent the minimum configuration necessary in a Zero configuration IP network (zeroconf).
a. Crossover cable
b. Hub
c. Wi-Fi Computer 2
d. Wi-Fi Computer 1
e. Router/firewall
f. DHCP server

Back 50

- Crossover cable
- Wi-Fi Computer 2
- Wi-Fi Computer 1

Front 51

A NIC, which has a connector for an ST or SC, is using what type of network media?

Back 51

- Fiber Optic

Front 52

To which of the available ports does an external modem attach?

Back 52

- serial

Front 53

What does a PC require to be able to communicate to a network?

Back 53

- Same protocol

Front 54

What is the minimum cable type 10BaseT specifies

Back 54

Category 3

Front 55

Which IEEE draft or standard was the first to introduce technology capable of providing 54 Mbps bandwidth while remaining backward compatible with 11 Mbps DSSS systems?

Back 55

802.11g

Front 56

Which class of IP addresses uses the first two octets to represent the network address and the last two to represent the host address?

Back 56

B
Remember, Class A - The first octet of the IP address is used for the network portion, and the last three octets are used for the host portion. Class B - The first two octets of the IP address are used for the network portion, and the last two octets are used for the host portion. Class C - The first three octets of the IP address are used for the network portion, and the last octet is used for the host portion.

Front 57

describe a AUI Connector

Back 57

ThickNet uses a vampire tap to connect the transceiver unit to the ThickNet cable. The transceiver is connected to the interface on the Ethernet adapter by a 15-pin Attachment Unit Interface (AUI) cable

Front 58

Which of the following addresses are assigned with Windows Automatic IP Addressing?
a. 172.16.254.32
b. 169.254.1.22
c. 127.16.1.1
d. 192.168.0.1

Back 58

169.254.1.22
Windows will automatically assign an IP address to a PC that is set to Obtain an Address Automatically when no DHCP server is available. The addresses always start with 169.254

Front 59

An outbound modem converts:

Back 59

Digital to Analog

Front 60

What would you need to connect two peer to peer PCs using RJ45 connectors?

Back 60

- Crossover cable

Front 61

Of the media types listed, which supports the longest distance between nodes?
a. coaxial
b. fiber optic
c. wireless
d. UTP

Back 61

Fiber optic

Front 62

Describe a SC Connector

Back 62

The SC is the connector type found on most Ethernet switch fiber modules and is the connector of choice for 100Mbit and Gigabit Ethernet. A duplex version of the SC connector is also available, which is keyed to prevent the TX and RX fibers being incorrectly connected.

Front 63

You are configuring a 802.11 network and want to find the MAC address of the PC you are working from, which of the following commands will you use?

Back 63

- IPCONFIG/ALL

Front 64

A space saving Fiber Optic connector type MTRJ can be used with which of the following cable types?(choose one)
a. MMF
b. neither SMF.or MMF
c. both SMF and MMF
d. SMF

Back 64

Both SMF and MMF

Front 65

The IRQ for a USB network interface adapter is configured by:

Back 65

- Plug and Play.

Front 66

Which of the following protocols requires unique addressing?
a. apple talk
b. IPX
c. NetBEUI
d. TCP/IP

Back 66

TCP/IP

Front 67

You are connecting two PC’s to a router to share an internet connection. How will you configure the router?

Back 67

Through IE on one of the PCs

Front 68

Ethernet and Token Ring network interface cards are hard-coded by the manufacturer with a(n) ____ address.

Back 68

MAC

Front 69

What are characteristic of a peer to peer networking? (choose two)

Back 69

- Limited number of computers involved.
- Computer acting as both client and a server.

Front 70

You are setting up a small office network for the purpose of sharing an internet connection and network printing. Which one of the following network types would you use?
a. Peer-to-Peer
b. Clint/Server
c. WAN
d. LAN

Back 70

- Peer-to-Peer

Front 71

What is the maximum cable length for a 10BaseT network?

Back 71

100 meters.

Front 72

What is the minimum type of cable used for 100BaseTX ?

Back 72

Category 5q

Front 73

LAN topology refers to:

Back 73

The manner in which the computers on a network are connected

Front 74

Which of the following statements concerning 802.11b wireless LAN devices is true?
a. 802.11b FHSS devices are backward compatible with 802.11 FHSS devices.
b. 802.11b devices cannot communicate with 802.11 devices.
c. 802.11b DSSS devices are backward compatible with 802.11 DSSS devices.
d. 802.11b DSSS devices are backward compatible with 802.11 FHSS devices.

Back 74

802.11b DSSS devices are backward compatible with 802.11 DSSS devices.

Front 75

Of the IEEE specifications listed, which is capable of operating in the 2.4 Ghz band at either 11Mbps or 54Mbps?
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11

Back 75

802.11g

Front 76

What is the maximum length of twisted-pair cable between devices? Choose two

Back 76

- 328 feet
- 100 meters

Front 77

Which of the following IP addresses is a class B?
a. 4.4.4.192
b. 124.423.23.256
c. 192.4.4.4
d. 190.123.4.1

Back 77

190.123.4.1
Remember, you can tell the Class of network address by looking at the first octet of the IP address. Class A - ranges from 1 to 127 Class B - ranges from 128 to 191 Class C - ranges from 192 to 223

Front 78

Back-end processing is performed by:

Back 78

Servers.

Front 79

Describe a Ring Topology

Back 79

Remember the ring topology connects all computers in line with the next computer to form a logical ring or circle. When one workstation receives a frame of information from its neighbor on the ring, it regenerates it and passes it to the next computer. This is called an active topology. On a ring, data travels in only one direction.

Front 80

Which application on the client makes use of data stored on the server?

Back 80

- Front end.

Front 81

Which of the following is a legal class C IP address?
a. 195.135.102.101
b. 175.23.14.12
c. 195.135.102.101
d. 126.23.99.81

Back 81

195.135.102.101
Remember, You can tell the Class of network address by looking at the first octet of the IP address. Class A - ranges from 1 to 127 Class B - ranges from 128 to 191 Class C - ranges from 192 to 223

Front 82

Of the IEEE specifications listed, which is (are) capable of operating at 11Mbps? (choose all that apply)
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11

Back 82

- 802.11b
- 802.11g
- 802.11a

Front 83

Which standard is designed to provide voice, video, and data transmissions over a digital telephone network?

Back 83

- ISDN
'Integrated Services Digital Network'

Front 84

An 802.11b-compliant wireless LAN configuration using DSSS can have a maximum of how many nonoverlapping, co-located access points?

Back 84

3
A maximum of three co-located direct sequence systems are possible because channels 1, 6, and 11 are the only theoretically nonoverlapping channels.

Front 85

Which UTP category will support Gigabit Ethernet?

Back 85

Cat 6

Front 86

When referring to the NIC or interface network card, what does the term 10/100 refer to?

Back 86

Megabits per second.

Front 87

In order to communicate with 802.11a devices, a Bluetooth PDA must be set to Compatibility Mode.
a. true
b. False

Back 87

False
802.11x and Bluetooth devices cannot communicate with each other. They do interfere with each other's ability to communicate with like devices.

Front 88

A common language or common rules that computers use to communicate is called?

Back 88

- Protocol

Front 89

Which of the following wireless LAN standards specifies data rates higher than, but remains backward compatible with, 802.11b?
a. 802.11a
b. 802.11b
c. 802.11f
d. 802.11

Back 89

802.11g

Front 90

Which of the following would be considered the primary communication method used for one personal digital assistant to communicate with another personal digital assistant?
a. 100baseT
b. USB
c. IEEE1394
d. IR

Back 90

IR
PDAs (personal digital assistants) use wireless Infrared (IR) to communicate.

Front 91

What does the acronym SSID stand for?

Back 91

Service Set Identifier

Front 92

In order to extend the distance that a signal can travel on the network by regenerating that signal you would use what devices?

Back 92

A repeater.

Front 93

Of the acronyms given, which best describes an IEEE 1394 compliant cable?
a. STP
b. 4 wire Cat 3
c. 1392FW
d. UTP

Back 93

STP
IEEE 1394 cabling consists of shielded cable pairs encased in another overall shielded cable.There are 4 and 6 wire versions of this cable type, known as STP, used in IEEE1394 connections

Front 94

You purchased a wireless residential gateway to share your broadband connection with your spouse and children. Your spouse’s PC uses a compatible wireless client device, while the children’s PCs use wired network adapters. What option must the gateway include so that you can connect all the PCs to the Internet?

Back 94

Ethernet switch

Front 95

Which of the following describes network equipment that cannot send and receive at the same time?

Back 95

Half Duplex

Front 96

Describe a Bus Topology

Back 96

Remember the bus topology was the first type of LAN topology. It is the simplest way to connect computers on a network. Bus topologies work with coaxial cable.

Front 97

Describe a Mesh Topology

Back 97

Remember, the Mesh topology connects workstations through multiple paths. This provides a direct connection between all workstations and the Mesh topology provides redundancy between computer circuits therefore Mesh is the most fault tolerant networking topology.

Front 98

The highest bandwidth and level of security is provided by:

Back 98

Fiber-optic cable.

Front 99

What is the set of rules used to transmit and receive data from one computer to another called?

Back 99

Protocol

Front 100

What connectors are used on a parallel printer cable? (Choose two)

Back 100

- Centronics36
- DB25

Front 101

Which of the following addresses would you most likely see on a small home network 5 PC’s sharing an internet connection?
a. 192.168.1.1/255.255.255.0
b. 192.168.1.1/255.255.255.0
c. 192.1688.3.10/255.255.0.0
d. 192.168.1.1/255.0.0.0

Back 101

192.168.1.1/255.255.255.0

Front 102

The speed of transmission of a 10BaseT cabling system is ____.

Back 102

10 Mbps

Front 103

Describe a Star Topology

Back 103

Remember the Star topology has all computers connected to a central hub. In the star topology, every message must travel from the originating workstation to the hub and then to all workstations connected to the hub.

Front 104

Know what a RJ-45 Connector is and what is looks like.

Back 104

RJ-45 is currently the most widely used ethernet network cable. It is used with UTP cable.

Front 105

The single Class C network 216.32.23.0 can be broken into multiple smaller networks by using which method listed below?

Back 105

Subnetting

Front 106

The statement that an access point is a half-duplex wireless device is which of the following?
a. Always true
b. Always false
c. dependent on the maker of the access point.

Back 106

Always true
An access point is a half-duplex device with intelligence equivalent to that of a sophisticated Ethernet switch.

Front 107

802.11a networks use which topology type?

Back 107

Wireless

Front 108

The IRQ for a PCI network interface card is configured by

Back 108

- Plug and Play

Front 109

On a ____ network, each node is responsible for the security of its own resources.

Back 109

- peer-to-peer

Front 110

What is the correct subnet for a class C address?

Back 110

255.255.255.0
The default subnet masks for Class A, B and C networks are: Class A - 255.0.0.0 Class B - 255.255.0.0 Class C - 255.255.255.0

Front 111

10BaseT Ethernet can use what types of physical topology?

Back 111

Star
10BaseT use hub or hubs to implement a physical star topology.

Front 112

Each node on the Internet must be assigned a unique ____ address.

Back 112

IP

Front 113

802.11g wireless devices can be compatible with which other802.11x specification? (choose the best answer(s)

Back 113

- 802.11b
- 802.11a

Front 114

What types of networks require the user to remember multiple passwords to access shared resources?

Back 114

- Peer-to-Peer.

Front 115

Which IEEE standard defines CSMA/CD?

Back 115

802.3

Front 116

What form of connector does an analog modem use?

Back 116

- RJ-11

Front 117

Of the media types listed, which has the highest bandwidth?
a. coaxial
b. - fiber optic
c. wireless
d.UTP

Back 117

- Fiber optic

Front 118

Which device is used to prevent a signal from bouncing on a Thinnet network?

Back 118

- BNC Terminator

Front 119

Which of the following interfaces is NOT able to use full-duplex transmission?
a. None of these
b. USB
c. Serial
d. Parallel
e. IEEE 1394

Back 119

None of these
These interfaces are all capable of full-duplex transmission.

Front 120

Which of the following is a legal decimal number for the first byte of a class C IP address?
a. 275
b. 195
c. 175
d. 25

Back 120

195

Front 121

10BaseT uses ____ connectors.

Back 121

RJ-45

Front 122

What access method is used by 802.11b?

Back 122

CSMA/CA

Front 123

Which statement is true concerning wireless LAN SSIDs?

Back 123

- The client and access point SSIDs must match.

Front 124

Which of the following types of networks is the easiest and cheapest to setup?

Back 124

- Peer-to-Peer

Front 125

What is capable of dynamically mapping NetBIOS names to IP addresses?

Back 125

- WINS server.

Front 126

In Windows XP, what control panel option configures protocols?

Back 126

Network Connections

Front 127

What is the maximum supported distance of a single FireWire segment?

Back 127

- 15 ft

Front 128

Which of the following is a legal class B IP address?
a. 128.17.29.62
b. 127.24.98.82
c. 126.23.99.81
d. 47.19.117.80

Back 128

128.17.29.62

Front 129

What steps must be performed to create a Dial-Up Networking connection?

Back 129

Control Panel, Network Connections, Select 'Create new Connection' task

Front 130

What cable would you use to connect a server 1 KM away without the use of a repeater?

Back 130

- Fiber Optic

Front 131

Which one of the following is the IEEE family of standards for wireless LANs?
a. 803.5
b. 802.11
c. 802.1x
d. 802.3

Back 131

802.11

Front 132

What is the maximum length of a 100BaseTX segment?

Back 132

100 meters

Front 133

Which network device is used to allow data packets from your LAN to be delivered to a network with a different network ID?

Back 133

A router

Front 134

What is the maximum number of FireWire busses that can be linked together?

Back 134

1024

Front 135

What do you use to configure Internet Explorer to establish a connection with the Internet?

Back 135

New Connection Wizard

Front 136

The reserved IP address that is used to refer to yourself is ____.

Back 136

127.0.0.1

Front 137

In peer to peer networking which of the following must be installed at a minimum? (Choose three)

Back 137

- Client software
- Adapter
- Protocol suite

Front 138

What are SOHO-class access point configuration options also found on wireless residential gateways? (Choose three.)

Back 138

- WEP
- MAC filters
- SSID

Front 139

At the maximum segment length of 15 feet, IEEE 1394 supports which of the following transmission speeds?
a. 100Mbps
b. All of these
c. 400Mbps
d. 200Mbps

Back 139

- All of these

Front 140

What is the difference between 802.11b and 802.11g?

Back 140

Speed
802.11b is 11Mbps and 802.11g is 54Mbps.

Front 141

Which type of modem is normally the fastest?

Back 141

- Synchronous

Front 142

If you are connected to the Internet through a Hot Spot what connection speed can you generally anticipate?

Back 142

2-11 Mbps

Front 143

255.255.255.0 is the subnet mask for which class of IP network?

Back 143

C
The default subnet masks for Class A, B and C networks are: Class A - 255.0.0.0 Class B - 255.255.0.0 Class C - 255.255.255.0

Front 144

The term FireWire can be used interchangeably with which other specification listed below?

Back 144

IEEE 1394

Front 145

If you are connected to the Internet through a Hot Spot what connection type do you have?

Back 145

- Wi-Fi

Front 146

An improperly configured network interface card could:

Back 146

- Prohibit network access

Front 147

The most common FDDI cabling system is ____.

Back 147

- Fiber-optic

Front 148

To ensure the highest compatibility and support for time sensitive data transmissions, IEEE 1394 supports which of the transmission methods below? (Choose all that apply.)
a. Asynchronous
b. Parallel
c. Isochronous
d. Synchronous

Back 148

- Asynchronous
- Isochronous

Front 149

Which type of transmission uses analog communications to divide the cable into a series of channels?

Back 149

- Broadband