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Self Test
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1

Select one of the following that is a basic element of every communication system.
A)Sending and receiving devices
B)Communication channel
C)Data transmission specification
D)All of the above
2

One of the following is not an example of a communication channel used for data sending and receiving.
A)FM signal
B)Microwave
C)Coaxial cable
D)Twisted pair
3

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.
4

A modulator-demodulator is more commonly known as the
A)communication module.
B)satellite receiver.
C)modem.
D)serial data port.
5

Select one of the following high-speed connections that is typically not used by individuals because of high cost.
A)Digital subscriber line
B)T1
C)Cable modems
D)Satellite/air connection service
6

The term used as a measurement of a communication channel's data capacity is
A)broadband.
B)bandwidth.
C)protocol.
D)data flow.
7

The standard protocol (communication rules for exchange of data) of the Internet is
A)TCP/IP.
B)Novell Netware.
C)Banyan Vines.
D)Peer-To-Peer Lines.
8

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

The central host computer or file server in a star network maintains control with its connecting devices through
A)sharing.
B)networking.
C)enterprise computing.
D)polling.
10

The network strategy extensively used throughout the Internet is a
A)terminal network system.
B)peer-to-peer network system.
C)client/server network system.
D)none of the above.
11

A network of computers and peripherals that are in close physical proximity to each other, such as within the same building, is known as a local area network.
A)TRUE
B)FALSE
12

Widespread use of mobile or wireless telephones has dramatically changed connectivity and communications in the past five years.
A)TRUE
B)FALSE
13

In parallel data transmissions, data bits travel in a series or continuous stream.
A)TRUE
B)FALSE
14

A ring network consists of a number of small computers or devices linked to a central host computer or file server.
A)TRUE
B)FALSE
15

Although limited by distance, fiber-optic cable lines can carry over 26,000 times more data than traditional twisted pair cable.
A)TRUE
B)FALSE





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