A+ Review Quizzes Ch17

Question 1

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Consists of personal devices at close range such as a cell phone, PDA, and notebook computer in communication

PAN

Covers a small local area such as a home, office, other building, or small group of buildings

LAN

Covers a limited geographical area, and is popular in places where networking cables are difficult to install, such as outdoors, in public places, and in homes that are not wired for networks

WLAN

Covers a large campus or city MAN

Covers a large geographical area and is made up of many smaller networks WAN

The theoretical number of bits that can be transmitted over a network at one time Bandw idth

The actual speed of a network Data throughput

Refers to a networking technology that carries more than one type of signal, such as DSL and telephone

Broadband

A computer or other device, such as a router, that allows a computer on one network to communicate with a computer on another network

Gatew ay

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The correct answer is: Consists of personal devices at close range such as a cell phone, PDA, and notebook computer in communication – PAN, Covers a small local area such as a home, office, other building, or small group of buildings – LAN, Covers a limited geographical area, and is popular in places where networking cables are difficult to install, such as outdoors, in public places, and in homes that are not wired for networks – WLAN, Covers a large campus or city – MAN, Covers a large geographical area and is made up of many

smaller networks – WAN, The theoretical number of bits that can be transmitted over a network at one time – Bandwidth, The actual speed of a network – Data throughput, Refers to a networking technology that carries more than one type of signal, such as DSL and telephone – Broadband, A computer or other device, such as a router, that allows a computer on one network to communicate with a computer on another network – Gateway.

Question 2

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Delays in network transmissions are called ____.

Select one:

a. fragmentation time

b. propagation delay

c. latency

d. overhead

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The correct answer is: latency.

Question 3

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To connect to the Internet, a network first connects to an ____.

Select one:

a. Internet Survey Provider

b. Internet Service Provider

c. Interconnection Service Provider

d. Instant Service Provider

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The correct answer is: Internet Service Provider.

Question 4

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For almost all networks today, including the Internet, the communication protocol used is called ____.

Select one:

a. TCP/IP

b. UDP

c. OSI

d. HTTP

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The correct answer is: TCP/IP.

Question 5

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____ technology uses a dedicated line from your ISP to your place of business or residence.

Select one:

a. Fiber optic

b. DSL

c. Dial-up

d. Cable-modem

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The correct answer is: Fiber optic.

Question 6

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Apple Computer calls 802.11b ____.

Select one:

a. AeroNet

b. AirNet

c. AirPort Extreme

d. AirPort

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The correct answer is: AirPort.

Question 7

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The three main protocols for encryption for 802.11 wireless networks are ____.

Select one:

a. AES, DES, and TKIP

b. WEP, WPA, and WPA2

c. WEP, WPA, and TKIP

d. WPA, AES, and TKIP

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The correct answer is: WEP, WPA, and WPA2.

Question 8

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The ____ for a cellular network is a fixed transceiver and antenna.

Select one:

a. mobile station

b. intermediate station

c. base station

d. reference station

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The correct answer is: base station.

Question 9

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All wireless phone systems, including cellular, use ____ transmission, which means both people in a conversation can talk or transmit at the same time.

Select one:

a. half-duplex

b. full-duplex

c. chain-duplex

d. cross-duplex

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The correct answer is: full-duplex.

Question 10

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____ is a standard for short-range wireless communication and data synchronization between devices.

Select one:

a. Bluetooth

b. 802.11X

c. 802.11G

d. BlueNet

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The correct answer is: Bluetooth.

Question 11

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____ is the most popular cabling method for local networks.

Select one:

a. Fiber optic

b. Wireless

c. Coaxial cable

d. Twisted-pair cable

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The correct answer is: Twisted-pair cable.

Question 12

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A ____ is a device that manages traffic between two networks.

Select one:

a. bridge

b. router

c. converter

d. transceiver

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The correct answer is: router.

Question 13

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A(n) ____ is a 32-bit string used to identify a computer on a network.

Select one:

a. port number

b. protocol number

c. IP address

d. IP version

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The correct answer is: IP address.

Question 14

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The IP addresses available to the Internet are called ____ IP addresses.

Select one:

a. public

b. private

c. non-routable

d. standard

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The correct answer is: public.

Question 15

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A ____ IP address is assigned for the current connection only.

Select one:

a. default

b. dynamic

c. static

d. configured

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The correct answer is: dynamic.

Question 16

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The ____ command tests connectivity by sending an echo request to a remote computer.

Select one:

a. pong

b. tstcon

c. lightnt

d. ping

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The correct answer is: ping.

Question 17

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The ____ command can display TCP/IP configuration information and refresh the IP address.

Select one:

a. msconfig

b. netcnfg

c. ipconfig

d. netcfg32

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The correct answer is: ipconfig.

Question 18

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A____ application means one computer (the remote computer) is running the Telnet server and another computer (the local computer) runs the Telnet client

Select one:

a. monolithic

b. cloud-based

c. service-oriented

d. client/server

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The correct answer is: client/server.

Question 19

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To use ____, you can create user accounts using the Control Panel

Select one:

a. Telnet

b. RSH

c. Remote Assistance

d. Remote Desktop

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The correct answer is: Telnet.

Question 20

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The solution for securing private data traveling over a public network is a ____.

Select one:

a. virtual protected network

b. virtual private network

c. virtual privacy network

d. virtual prevention network

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The correct answer is: virtual private network.

Question 21

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A(n) ____ is a group of four dotted decimal numbers such as 255.255.0.0 that tells TCP/IP if a computer’s IP address is on the same or a different network.

Select one:

a. subnet mask

b. IP address

c. MAC address

d. port number

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The correct answer is: subnet mask.

Question 22

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A ____ is the gateway a computer uses to access another network if it does not have a better option.

Select one:

a. static route

b. dynamic route

c. default gateway

d. local hub

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The correct answer is: default gateway.

Question 23

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Latency is measured by the round-trip time it takes for a data packet to travel from source to destination and back to source.

Select one:

True

False

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The correct answer is 'True'.

Question 24

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The Telnet protocol encrypts transmitted data, which therefore cannot be read by others on the network.

Select one:

True

False

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The correct answer is 'False'.

Question 25

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When connecting to a network, by default Windows assumes static IP addressing and automatically configures the network connection.

Select one:

True

False

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The correct answer is 'False'.

Question 26

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Wireless networks are either public, unsecured hotspots or private, secured hotspots.

Select one:

True

False

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The correct answer is 'True'.

Question 27

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When connecting to a private and secured wireless access point, you must provide the information that proves you have the right to use the network.

Select one:

True

False

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The correct answer is 'True'.