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Self Test
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1

The concept of linking people and resources via computer networks is known as
A)computer linkage.
B)embedded system communication (ESC).
C)connectivity.
D)objectivity.
2

A communication media that is composed of a single solid copper core is
A)twisted-pair cable
B)coaxial cable
C)fiber-optics
D)peer-to-peer cable
3

The process of converting digital signals into analog form so that data may be sent over twisted pair medium is referred to as
A)amplification
B)modulation
C)demodulation
D)digitization
4

The frequency range of a telecommunications channel determines the channel's maximum transmission rate. This rate is typically measured in
A)milliseconds
B)nanoseconds
C)bits per second
D)megahertz per second
5

Communications speed and capacity of telecommunications networks are classified by their
A)bandwidth
B)clock speed
C)access time
D)amplification rate
6

The Internet's protocol suite is known as
A)Transmission Control Protocol/Internet Protocol (TCP/IP)
B)Internaitonal Standards Organization (ISO)
C)Open Systems Interconnection (OSI)
D)None of the above
7

A network that covers a large geographic area is most commonly referred to as a(n)
A)wide area network
B)local area network
C)extranet
D)intranet
8

A computer network's physical arrangement or configuration is called it's
A)topology
B)hierarchy
C)map
D)bus
9

In this configuration (________), all computers are connected to a single communication medium over which all communications travel.
A)star
B)ring
C)mesh
D)bus
10

A network that contains one or more host computers that provide some type of service to other computers in a network is called a(n)
A)peer-to-peer network
B)client/server network
C)local area network
D)wide area network
11

Telecommunications is slowly moving away from digital technologies towards voice-oriented transmission systems.
A)True
B)False
12

Modems are used to convert digital signals from a computer into analog frequencies that can be transmitted over ordinary telephone lines.
A)True
B)False
13

A telecommunication network that covers a large city or metropolitan area can be referred as a local area network.
A)True
B)False
14

Because of the difficulty in overcoming some telecommunications challenges, client/server networks have not yet materialized.
A)True
B)False
15

An extranet can be defined as a network that links selected resources of a company with its customers, suppliers, and other business partners.
A)True
B)False





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