Test Bank For Business Data Communications and Networking, 14th Edition by FitzGerald| 9781119713661| All Chapters 1-12|LATEST

, Chapter 1 ff




Introduction to Data Communications ff ff ff




True-False Questions ff




The following are possible True/False questions for tests. The statement is given and the answer
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is provided in square brackets. The level of difficulty (easy, moderate, difficult) and the page
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number(s) relevant to the topic are also furnished.
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1. According to John Chambers, CEO of Cisco (a leading networking technology company),
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the information age is the second Industrial Revolution.
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Answer:True Difficulty:Easy f Reference: f f p. 4 ff




2. Due to recent advances in high speed communication networks, the information lag, or the
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time it takes for information to be disseminated around the world, has been significantly
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shortened.
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Answer:True Difficulty: Easy ff Reference: f f p.4

3. One perspective of data communications and networking as stated in the textbook, examines
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the management of networking technologies, including security, network design, and
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managing the network on a day-to-day basis and long term basis.
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Answer:True Difficulty: Moderate ff Reference: f f p. 5 ff




4. The first electronic data communication system was the telephone developed by Alexander
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Graham Bell.
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Answer:False Difficulty:Easy f Reference: f f p. 5 ff




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




6. An Inter-Exchange Carrier (IXC) provides only local telephone services to homes and
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businesses.
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Answer: False ff Difficulty: Easy ff Reference: f f p. 6 ff




7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
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, Answer:True Difficulty:Moderate f Reference: f f p. 7
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8. The Telecommunications Act of 1996 now permits the RBOCs to provide long distance
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outside the region in which they provide local telephone services.
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Answer: True ff Difficulty:Moderate f Reference: f f p. 7
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9. The Internet was started by the U.S. Department of defense in 1969 as a network of four
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computers called ARPANET.
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Answer: True ff Difficulty: Moderate ff Reference: f f p. 9
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10. Telecommunications is the transmission of voice and video as well as data and implies
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transmitting a longer distance than in a data communication network.
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Answer:False Difficulty:Moderate f Reference: f f p. 11
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, 11. A local area network (LAN) connects other LANs and BNs located in different areas to each
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other and to wide area networks in a span from 3 to 30 miles.
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Answer: False ff Difficulty:Moderate f Reference: f f p. 13 ff




12. An intranet is a LAN that uses Internet technologies and is publicly available to people
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outside of the organization.
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Answer: False ff Difficulty:Moderate f Reference: f f p. 15 ff




13. A car manufacturer may give access to certain portions of its network to some of its suppliers
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via Internet. This is an example of an Extranet.
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Answer: True ff Difficulty:Moderate f Reference: f f p. 15 ff




14. The OSI model is the most widely used network model to develop and build networks today.
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Answer: True ff Difficulty:Moderate f Reference: f f p. 16 ff




15. The network layer is responsible for routing messages from the source computer to the
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destination computer.
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Answer: True ff Difficulty:Easy f Reference: f f p. 17 ff




16. In the OSI model, the application layer is the end user‟s access to the network.
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Answer: True ff Difficulty:Moderate f Reference: f f p. 18 ff




17. The application layer is the seventh layer of the Internet model and provides the end user‟s
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access to the network.
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Answer: True ff Difficulty:Moderate f Reference: f f p. 18 ff




18. At the transport layer in the Internet model, TCP is responsible for breaking large files
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received from the application layer into smaller packets and opening a connection to a server
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for transferring the packets.
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Answer: True ff Difficulty: Difficult ff Reference: f f p. 17 ff