Test bank for Business Data Communications and Networking 13th Edition FitzGerald, Dennis, Durcikova

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Communications
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13thEdition by
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FitzGerald,Dennis, D
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urcikova

, Chapter 1 pc



Introduction to Data Communications p c p c p c




True-False Questions pc


The following are possible True/False questions
p c p c p c p c p c p c for tests. The statement
p c p c p c p c p c


is given and the answer
p c p c is provided p c p c p c p c p c p c p c p c p c in square
p c pbrackets.
c T p c p c p c p c


he plevel
c of
p c difficulty (easy,pmoderate,
c p c p c p c pc p c p c p c p c difficult) and the pa p c p c p c p c p c p c


ge p number(s) relevant to the topic are also
c p c p c p c p c p c p c p c pc p c furnished.

1. According to John Chambers, CEO of Cisco (a leading networking tech
p c p c p c p c p c p c p c p c p c p c


nology company), pc


the information age is the second Industrial Revolution. p c p c p c p c p c p c p c




Answer:True Difficulty: Easy pc Reference: p. p c 4

2. Due to recent advances in high speed communication networks, the info
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rmation lag, or the pc p c p c


time it takes for information to be disseminated aroun p c p c p c p c p c p c p c p c


d the world, has been significantly
p c shortened.
pc p c p c p c




Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the t
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extbook, examines pc


the management of networking technologies, including security, ne p c p c p c p c p c p c p c


twork design, and managing the network on a day-to-
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day basis and long term basis.
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Answer:True Difficulty: Moderate Reference: p. p c 5
4. The first electronic data communication system was the telephone developed
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by Alexander Graham Bell.
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Answer:False Difficulty: Easy Reference: p. 5 pc p c


5. The first transcontinental telephone service was established in the 1940s.
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Answer:False Difficulty: Easy Reference: pc p. p c 6
6. An Inter- p c


Exchange Carrier (IXC) provides only local telephone services to ho
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mes and businesses.
p c




Answer: False Difficulty: Easy p c Reference: p. p c p c p c p c p c p c 6
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
p c p c p c p c p c p c p c p c p c




Answer:True Difficulty: Moderate Reference: pc p c p c p c p. p c 7
8. The Telecommunications Act of 1996 now permits the RBOCs to pro
p c p c p c p c p c p c p c p c p c p c


vide long distance outside the region in which they provide local telepho
pc pc p c pc p c pc pc p c pc pc p c


ne services.
pc




Answer: True Difficulty: Moderate
p c Reference: pc p c p c p c p. p c 7
9. The Internet was started by the U.S. Department of defense in
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1969 as a network of four computers called ARPANET.
c p c p c pc p c p c p c pc




Answer: True p c Difficulty: Moderate Reference: p c p c p c p c p c p. p c 9
10. Telecommunications is p c p c the transmission of voice and video as well
p c p c p c p c p c p c p c p


as data and implies
c p c pc p c p c p c transmitting a longer distance than in a data co p c p c p c p c p c p c p c p c

,mmunication network.
pc




Answer:False Difficulty: Moderate
pc Reference: p c p c p c p.
p c 11

, 11. A local area network (LAN) connects other LANs
pc p c p c p c p c p c p c p c and BNs p c p c located i p c


n different areas to each
p c pc p c p c


other and to wide area networks p c p c p c p c p c p c in p c a p c span p c from p c


3 to 30 miles.
p c p c pc




Answer: False Difficulty: Moderate
p c Reference: pc p. p c 13
12. An intranet is a LAN that uses Internet technologies and i
p c p c p c p c p c p c p c p c p c p c


s publicly available to people outside of the organization.
p c pc p c p c p c p c p c




Answer: False Difficulty: Moderate
p c Reference: p. 15 pc p c


13. A car manufacturer may give access to certain portions of its networ
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k to some of its suppliers
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via Internet. This is an example of an Extranet. p c p c p c p c p c p c p c p c




Answer: True Difficulty: Moderate
p c Reference: p. pc p c 15
14. The OSI model is the most widely used network model to develop
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p and build networks today.
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Answer: True Difficulty: Moderate
p c Reference: pc p. p c 16
15. The network layer is responsible for routing messages from th
p c p c p c p c p c p c p c p c p c


e source computer to the destination computer.
p c pc p c p c p c




Answer: True Difficulty: Easy
p c pc Reference: p. 17p c


16. In the OSI model, the application layer is the
p c p c p c p c p c p c p c p c p c end p c user‟s p c access to the p c p c p c networ
k.

Answer: True Difficulty: Moderate
p c Reference: pc p. p c 18
17. The application layer is the seventh layer of the Internet model
p c p c p c p c p c p c p c p c p c p c p c an
d provides the end user‟s
p c access to the network.
pc p c p c p c p c p c




Answer: True Difficulty: Moderate
p c Reference: p. pc p c 18
18. At the transport layer in the Internet model, TCP is responsible fo
p c p c p c p c p c p c p c p c p c p c p c


r breaking large files
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received from the application layer into smaller packets an p c p c p c p c p c p c p c p c


d opening a connection to a server for transferring the packets.
pc p c p c p c p c p c p c p c p c




Answer: True p c Difficulty: Difficult p c Reference: p. p c 17
19. Ethernet is an p c p c p c example p c of a network layer
p c p c p c p c protocol.

Answer: False Difficulty: Easy
p c Reference: p. pc p c 17
20. Data communication standards enable each layer in the sending compu
p c p c p c p c p c p c p c p c p c


ter to communicate
p c pc


with its corresponding layer in the receiving computer p c p c p c p c p c p c p c


.

Answer: True Difficulty: Easy
p c Reference: p c p. p c 22
21. The specification stage of the formal standardization process consists o
p c p c p c p c p c p c p c p c p c


f developing
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nomenclature and identifying the problems to be addr p c p c p c p c p c p c p c


essed.

Answer: True Difficulty: Moderate
p c p c Reference: p. p c 23
22. ANSI is a voting participant in the ISO.
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Answer: True p c Difficulty: Easy p c Reference: p. p c 23