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

TestBankFor
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BusinessData jl




Communications
andNetworking,
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13thEdition by
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FitzGerald,Dennis,D
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urcikova

, Chapter 1 jl



Introduction to Data Communications j l j l j l




True-False Questions jl


The following are possible True/False questions for tests. The statement is g
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iven and the answer
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j l provided in
j square
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j l ofj l difficulty (easy,
j l moderate,
j l difficult) and the page number(s jl j l j l j l j l j l j l j l j l j l j l j l j l j l


) relevant to the topic are also furnished.
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1. According to John Chambers, CEO of Cisco (a leading networking technol
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ogy company), the information age is the second Industrial Revolution.
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Answer:True Difficulty:Easy lj Reference: p. 4 j l




2. Due to recent advances in high speed communication networks, the informa
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tion lag, or the jl j l j l


time it takes for information to be disseminated around j l j l j l j l j l j l j l j l j l


the world, has been significantly shortened.
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Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the text
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book, examines jl


the management of networking technologies, including security, netw j l j l j l j l j l j l j l


ork design, and j l managing the network on a day-to- j l j l j l j l j l j l


day basis and long term basis.
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Answer:True Difficulty: Moderate Reference: p. 5 j l


4. The first electronic data communication system was the telephone developed b
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y Alexander Graham Bell.
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Answer:False Difficulty:Easy Reference: p. 5 lj j l


5. The first transcontinental telephone service was established in the 1940s.
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Answer:False Difficulty:Easy Reference: lj p. 6 j l


6. An Inter- j l


Exchange Carrier (IXC) provides only local telephone services to homes
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and
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Answer: False Difficulty: Easy j lReference: j l j l j l j l j l p. 6
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7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
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Answer:True Difficulty:Moderate Reference: lj j l j l j l p. 7
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8. The Telecommunications Act of 1996 now permits the RBOCs to provide
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long distance outside the region in which they provide local telephone servic
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es.

Answer: True Difficulty:Moderate j l Reference: lj j l j l j l p. 7
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9. The Internet was started by the U.S. Department of defense in 19
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69 as a network of four computers called ARPANET.
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Answer: True Difficulty: Moderate j l Reference: j l j l j l j l j l p. 9
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10. Telecommunications is the transmission of voice and video as well as j l j l j l j l j l j l j l j l j l j l


data and implies transmitting a longer distance than in a data communic
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ation network. jl

,Answer:False Difficulty:Moderate
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, 11. A local area network (LAN) connects other LANs and BNs located in
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different areas to each jl j l j l


other and to wide area networks in a span from 3 t j l j l j l j l j l j l j l j l j l j l j l


o 30 miles.
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Answer: False Difficulty:Moderate
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12. An intranet is a LAN that uses Internet technologies and is
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publicly available to people outside of the organization.
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Answer: False Difficulty:Moderate
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13. A car manufacturer may give access to certain portions of its network t
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o some of its suppliers via Internet. This is an example of an Extranet.
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Answer: True Difficulty:Moderate
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14. The OSI model is the most widely used network model to develop a
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nd build networks today.
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Answer: True Difficulty:Moderate
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15. The network layer is responsible for routing messages from the s
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ource computer to the destination computer.
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Answer: True Difficulty: Easy
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16. In the OSI model, the application layer is the end user‟s access to the network.
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Answer: True Difficulty:Moderate
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17. The application layer is the seventh layer of the Internet model and
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provides the end user‟s access to the network.
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Answer: True Difficulty:Moderate
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18. At the transport layer in the Internet model, TCP is responsible for
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breaking large files jl j l


received from the application layer into smaller packets and o j l j l j l j l j l j l j l j l jl


pening a connection to a server j l for transferring the packets.
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Answer: True Difficulty: Difficult
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19. Ethernet is an example of a network layer protocol.
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Answer: False Difficulty:Easy
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20. Data communication standards enable each layer in the sending computer
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to communicate with its corresponding layer in the receiving computer.
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Answer: True Difficulty: Easy
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21. The specification stage of the formal standardization process consists of d
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eveloping
nomenclature and identifying the problems to be addres j l j l j l j l j l j l j l


sed.

Answer: True Difficulty: Moderate
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22. ANSI is a voting participant in the ISO.
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Answer: True Difficulty: Easy
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23. Passive optical networking, a key trend for the future, means that virtuall
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y any computer will
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be able to communicate with any other computer in the j l j l j l j l j l j l j l j l j l j


world.
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