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Multiple Choice
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1

An expansion card or a PC card thaprovides the doorway for information to flow in and out of a network is called a:
A)Switch.
B)NIC.
C)Hub.
D)Router.
2

This device ties computers together in a network, and passes messages between them:
A)Hub.
B)NIC.
C)RJ-45.
D)Cat 5.
3

In a network environment, this software is responsible for steering information between computers, managing security and users, and enabling many people to work together across the network:
A)Application software.
B)Network operating software.
C)Encryption software.
D)Firewall software.
4

A computer network that exists within a limited physical area such as a manufacturing plant is called a:
A)Peer-to-peer network.
B)Metropolitan network.
C)Local area network.
D)Wide area network.
5

A network set up in a home would most likely be a:
A)Peer-to-peer network.
B)Metropolitan network.
C)Client/server area network.
D)Wide area network.
6

A network in which one or more computers is a server is a __________ network.
A)peer-to-peer
B)client/server
C)server/server
D)client/clien
7

Which of the following is the most common type of network interface card?
A)Switch.
B)Ethernet.
C)Hub.
D)Gateway.
8

The type of port that an Ethernet card uses is called a(n):
A)RJ-45 port.
B)Cat 5 port.
C)Serial port.
D)USB port.
9

This type of communications medium uses red lighbelow what your eye can see:
A)Bluetooth.
B)Fiber optics.
C)IrDA.
D)Cat 5.
10

A network in which the main computer provides services to other computers is called a:
A)Peer-to-peer network.
B)Metropolitan network.
C)Client/server network.
D)Wide area network.
11

A network that is restricted to the employees of an organization is a(n):
A)Local area network.
B)Intranet.
C)Client/server network.
D)Office area network.
12

An internal organizational Internet that is guarded against outside access is called a(n):
A)Internet.
B)Extranet.
C)Intranet.
D)Client/server.
13

Twisted wire, coaxial cable, and fiber optics are types of:
A)Communications media.
B)Communications topologies.
C)Communications protocols.
D)Communications controllers.
14

The quantity of information that can be transmitted through a communications medium in a given amount of time is generally referred to as:
A)Throughput.
B)Intensity.
C)Bandwidth.
D)Concentration.
15

This type of twisted-pair phone cabling provides for data transmission up to 10 megabits per second:
A)Cat 1.
B)Cat 2.
C)Cat 3.
D)Cat 5.
16

Which of the following is a type of radio transmission?
A)Cat 3.
B)Optical fiber.
C)Infrared.
D)Microwave.
17

This wired communications medium offers the least security when transmitting information:
A)Twisted-pair.
B)Fiber optic.
C)Satellite.
D)Microwave.
18

This communications medium uses hollow strands of thin glass:
A)IrDA.
B)Twisted-pair.
C)Microwave.
D)Fiber optic.
19

This communications medium is classified as a line-of-sight transmission medium.
A)Repeater.
B)Microwave.
C)Satellite.
D)Fiber optic.
20

An array of these types of communications devices can cover the whole earth:
A)Repeaters.
B)Satellites.
C)Hubs.
D)Routers.





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