Digital Test Bank - Data Communication and Computer Networks West,9e

Chapter 01: Introduction to Data Communications and Computer Networks
1. Data is information that has been translated into a form that is more conducive to storage, transmission, and calculation.
a. True
b. 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.
a. True
b. 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.
a. True
b. 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.
a. True
b. 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.
a. True
b. 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.
a. True
b. False

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,Chapter 01: Introduction to Data Communications and Computer Networks

ANSWER: False
POINTS: 1
REFERENCES: page 3
QUESTION TYPE: True / False

7. The Internet is not a single network but a collection of thousands of networks.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 3
QUESTION TYPE: True / False

8. The most recent “telephone” networks can now deliver voice, Internet, and television over a single connection.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 2
QUESTION TYPE: True / False

9. Analog signals are transmitted over conducted media, while digital signals are transmitted over radiated media.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: page 3
QUESTION TYPE: True / False

10. Network architectures are cohesive layers of protocols defining a set of communication services.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 14
QUESTION TYPE: True / False

11. The OSI model tells us what kind of wire or what kind of connector to use to connect the pieces of a network.
a. True
b. 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
12. The application layer of the OSI model is responsible for token management.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: page 17
QUESTION TYPE: True / False

13. The session layer of the OSI model is responsible for establishing synchronization points.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 17
QUESTION TYPE: True / False

14. The network layer of the OSI model is an end-to-end layer.
a. True
b. False
ANSWER: False
POINTS: 1
REFERENCES: page 18
QUESTION TYPE: True / False

15. The data link layer of the OSI model can incorporate some form of error detection software.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 18
QUESTION TYPE: True / False

16. The TCP/IP protocol suite does not have rigidly defined layers as the OSI model does.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 17
QUESTION TYPE: True / False

17. SNMP is used to allow users to send and receive electronic mail.
a. True
b. False
ANSWER: False
POINTS: 1
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, Chapter 01: Introduction to Data Communications and Computer Networks

REFERENCES: page 16
QUESTION TYPE: True / False

18. The lowest layer of the TCP/IP protocol suite is the network access or physical layer.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 17
QUESTION TYPE: True / False

19. In a network architecture, as the packet moves up through the layers, the data packet shrinks in size.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 20
QUESTION TYPE: True / False

20. SaaS is a cloud service that provides access to an application that runs in the cloud environment.
a. True
b. False
ANSWER: True
POINTS: 1
REFERENCES: page 24
QUESTION TYPE: True / False

21. A ____ is an interconnection of computers and computing equipment using either wires or radio waves over small
geographic areas.
a. personal area network (PAN)
b. computer network
c. wireless network
d. local area network (LAN)
ANSWER: d
POINTS: 1
REFERENCES: page 3
QUESTION TYPE: Multiple Choice

22. ____ is the transmission of multiple signals on one medium.
a. Multiplexing
b. Codec
c. Modem
d. Package
ANSWER: a
POINTS: 1
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