AND NETWORKING, 14TH EDITION BY FITZGERALD,
DENNIS, DURCIKOVA//GRADED WITH APASS
, Chapter 1 b
Introduction to Data Communications b b b
True-False Questions b
The following are possible True/False questions for tests. The statement is given and the answer is
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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 b Reference: p. 4 b b
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 Reference: p.4 b b
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 Reference: p. 5 b b b
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 Reference: p. 5 b b b
5. The first transcontinental telephone service was established in the 1940s.
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Answer:False Difficulty: Easy Reference: p. 6 b b b
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 Difficulty: Easy
b Reference: p. 6 b b b
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
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Answer:True Difficulty: Moderate Reference: p. 7 b b b
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 Difficulty: Moderate
b Reference: p. 7 b b b
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 Difficulty: Moderate
b Reference: p. 9 b b b
10. Telecommunications is the transmission of voice and video as well as data and implies b b b b b b b b b b b b b
transmitting a longer distance than in a data communication network.
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Answer:False Difficulty: Moderate b Reference: p. 11 b b
,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 Difficulty: Moderate b Reference: p. 13 b b b
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 Difficulty: Moderate b Reference: p. 15 b b b
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 Difficulty: Moderate b Reference: p. 15 b b b
14. The OSI model is the most widely used network model to develop and build networks today.
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Answer: True Difficulty: Moderate b Reference: p. 16 b b b
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 Difficulty: Easy b Reference: p. 17 b b b
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 b Reference: p. 18 b b b
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 Difficulty: Moderate b Reference: p. 18 b b b
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 Difficulty: Difficult b b Reference: p. 17 b b
19. Ethernet is an example of a network layer protocol. b b b b b b b b
Answer: False Difficulty: Easy b Reference: p. 17 b b b
20. Data communication standards enable each layer in the sending computer to communicate
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with its corresponding layer in the receiving computer.
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Answer: True Difficulty: Easy b Reference: p. 22 b b b
21. The specification stage of the formal standardization process consists of developing
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nomenclature and identifying the problems to be addressed.
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Answer: True Difficulty: Moderate b b Reference: p. 23 b b
22. ANSI is a voting participant in the ISO.
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Answer: True Difficulty: Easy b Reference: p. 23 b b b
23. Passive optical networking, a key trend for the future, means that virtually any computer will
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be able to communicate with any other computer in the world.
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Answer: False b Difficulty: Moderate b Reference: p. 26 b b
, 24. The high bandwidth requirements (high communications needs) for video have slowed its
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integration into computer networks.
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Answer: True Difficulty: Moderate
b Reference: p. 28 b b b
25. An Application Service Provider (ASP) develops a specific system and companies purchase
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or rent the service without installing the system on their own computers.
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Answer: True b Difficulty: Moderate b Reference: p. 29 b b
MULTIPLE CHOICE b
The following are possible multiple-choice questions for tests. The question is posed and the
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answer is provided under the choices. The level of difficulty (easy, moderate, difficult) and the
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page number(s) relevant to the topic is also furnished.
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1. Data communications and networking can be considered as a global area of study because:
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a. new technologies and applications emerge from a variety of countries and
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spread around the world
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b. the technologies enable global communication
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c. the political and regulatory issues are exactly the same in every country
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d. a and b b b
e. none of the above b b b
Answer: D Difficulty: Easy
b Reference: p. 4 b b b
2. In 1970, a key decision regarding MCI:
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a. set up the Telecommunications Competition and Deregulation Act
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b. permitted MCI to provide limited long distance service in the U.S. b b b b b b b b b b
c. permitted telephone and/or computer equipment that was not manufactured by Bell b b b b b b b b b b
Telephone to be connected to AT&T’s network
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d. divided AT&T into two parts: one part for long distance service, and a second part,
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comprised of seven operating companies, for local telephone service
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e. set up deregulation for international telecommunications markets in 68 countries
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Answer: B Difficulty: Easy
b Reference: p. 6 b b b b
3. In 1984, a federal judge broke up a highly contested telephone service monopoly and:
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a. set up the Telecommunications Competition and Deregulation Act b b b b b b b
b. permitted MCI to provide limited long distance service in the U.S. b b b b b b b b b b
c. permitted telephone and/or computer equipment that was not manufactured by b b b b b b b b b
Bell Telephone to be connected to AT&T’s network
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d. divided AT&T into two parts: one part for long distance service, and a second b b b b b b b b b b b b b
part, comprised of seven regional operating companies, for local telephone
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service b
e. set up deregulation for international telecommunications markets in 68 countries
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Answer: D b Difficulty: Easy b Reference: p. 6 b b