Chapter 01: Introduction to Data Communications and Computer Networks

Chapter 01: Introduction to Data Communications and Computer Networks

Copyright Cengage Learning. Powered by Cognero. Page 1 1.Data is information that has been translated into a form that is more conducive to storage, transmission, and calculation.

• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 3

QUESTION TYPE: True / False

2.The connection between workstations and the Internet in an enterprise network is handled by a client/ server system.

• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 7

QUESTION TYPE: True / False

3.A desktop computer cannot be connected to a local area network using a wireless connection.

• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 8

QUESTION TYPE: True / False

4.Many years ago, most home users connected their computer to the Internet via a dial-up telephone line and a modem, but now the more common connection is using DSL.

• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 7

QUESTION TYPE: True / False

5.It is not possible to connect two local area networks so that they can share peripherals as well as software.

• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 8

QUESTION TYPE: True / False

6.Metropolitan area networks can transfer data at fast LAN speeds, but over smaller geographic regions than typically associated with a local area network.

• True
• False

Data Communication and Computer Networks A Business User's Approach, 9e Jill West (Test Bank, All Chapters. 100% Original Verified, A+ Grade) 1 / 4

Chapter 01: Introduction to Data Communications and Computer Networks

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ANSWER: False

POINTS: 1

REFERENCES: page 3

QUESTION TYPE: True / False

• The Internet is not a single network but a collection of thousands of networks.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 3

QUESTION TYPE: True / False

• The most recent “telephone” networks can now deliver voice, Internet, and television over a single connection.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 2

QUESTION TYPE: True / False

• Analog signals are transmitted over conducted media, while digital signals are transmitted over radiated media.
• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 3

QUESTION TYPE: True / False

• Network architectures are cohesive layers of protocols defining a set of communication services.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 14

QUESTION TYPE: True / False

• The OSI model tells us what kind of wire or what kind of connector to use to connect the pieces of a network.
• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 17

QUESTION TYPE: True / False

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Chapter 01: Introduction to Data Communications and Computer Networks

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• The application layer of the OSI model is responsible for token management.
• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 17

QUESTION TYPE: True / False

• The session layer of the OSI model is responsible for establishing synchronization points.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 17

QUESTION TYPE: True / False

• The network layer of the OSI model is an end-to-end layer.
• True
• False

ANSWER: False

POINTS: 1

REFERENCES: page 18

QUESTION TYPE: True / False

• The data link layer of the OSI model can incorporate some form of error detection software.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 18

QUESTION TYPE: True / False

• The TCP/IP protocol suite does not have rigidly defined layers as the OSI model does.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 17

QUESTION TYPE: True / False

• SNMP is used to allow users to send and receive electronic mail.
• True
• False

ANSWER: False

POINTS: 1 3 / 4

Chapter 01: Introduction to Data Communications and Computer Networks

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REFERENCES: page 16

QUESTION TYPE: True / False

• The lowest layer of the TCP/IP protocol suite is the network access or physical layer.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 17

QUESTION TYPE: True / False

• In a network architecture, as the packet moves up through the layers, the data packet shrinks in size.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 20

QUESTION TYPE: True / False

• SaaS is a cloud service that provides access to an application that runs in the cloud environment.
• True
• False

ANSWER: True

POINTS: 1

REFERENCES: page 24

QUESTION TYPE: True / False

• A ____ is an interconnection of computers and computing equipment using either wires or radio waves over small

geographic areas.

• personal area network (PAN)
• computer network
• wireless network
• local area network (LAN)

ANSWER: d

POINTS: 1

REFERENCES: page 3

QUESTION TYPE: Multiple Choice

• ____ is the transmission of multiple signals on one medium.
• Multiplexing
• Codec
• Modem
• Package

ANSWER: a

POINTS: 1

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