,https://www.stuvia.com/
Chapter 1 ss
ss Introduction to Data ss ss
Communications
ss
True-False Questions ss
The following are possible True/False questions for tests. The statement is given
s s s s s s s s s s s s s s s s s s s s s s
and the answer is provided in square brackets. The level of difficulty (easy,
s s s s ss s s s s s s s s s s s s s s s s s s s s
moderate, difficult) and the page number(s) relevant to the topic are also
s s s s s s s s s s s s s s s s s s s s s s s s
furnished.
s s
1. According to John Chambers, CEO of Cisco (a leading networking
s s s s s s s s s s s s s s s s s s
technology company), the information age is the second Industrial
s s ss s s s s s s s s s s s s s s
Revolution.
s s
Answer:True Difficulty: Easy ss Reference: p. 4
s s
2. Due to recent advances in high speed communication networks, the
s s s s s s s s s s s s s s s s s s
information lag, or the time it takes for information to be
s s s s ss s s s s s s s s s s s s s s s s
s disseminated around the world, has been significantly shortened.
s s s s s s s s s ss s s s s
Answer:True Difficulty: Easy Reference: p.4 s s s s
3. One perspective of data communications and networking as stated in the
s s s s s s s s s s s s s s s s s s s s
textbook, examines the management of networking technologies, including
s s ss s s s s s s s s s s s s
security, network design, and managing the network on a day-to-day
s s s s ss s s s s s s s s s s s s s s
basis and long term basis.
s s s s s s s s s s
Answer:True Difficulty: Moderate Reference: s s s s p. 5
s s
4. The first electronic data communication system was the telephone
s s s s s s s s s s s s s s s s
developed by Alexander Graham Bell.
s s s s ss s s s s
Answer:False Difficulty: Easy Reference: p. 5 ss s s
5. The first transcontinental telephone service was established in the 1940s.
s s s s s s s s s s s s s s s s s s
Answer:False Difficulty: Easy Reference: p. 6 ss s s
6. An Inter-Exchange Carrier (IXC) provides only local telephone services to
s s s s s s s s s s ss s s s s s s
homes and businesses.
s s ss s s
Answer: False Difficulty: Easy
s s Reference: p. 6 s s s s s s
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
s s s s s s s s s s s s s s s s s s
Answer:True Difficulty: Moderate Reference: p. 7 ss s s
8. The Telecommunications Act of 1996 now permits the RBOCs to
ss ss s s s s s s s s s s s s s s
provide long distance outside the region in which they provide local
s s s s ss s s s s s s s s s s s s s s s s
telephone services.
s s s s
Answer: True Difficulty: Moderate
s s Reference: p. 7 ss s s
9. The Internet was started by the U.S. Department of defense in 1969 as
s s s s s s s s s s s s s s s s s s s s s s s s
a network of four computers called ARPANET.
s s s s ss s s s s s s s s
Answer: True Difficulty: Moderate
s s Reference: p. 9 s s s s s s
10. Telecommunications is the transmission of voice and video as well as s s s s s s s s s s s s s s s s s s s s
data and implies transmitting a longer distance than in a data
s s s s ss s s s s s s s s s s s s s s s s
communication network.
s s s s
,https://www.stuvia.com/
Answer:False Difficulty: Moderate
ss Reference: p. 11
s s
,https://www.stuvia.com/
11. A local area network (LAN) connects other LANs and BNs located in
ss s s s s s s s s s s s s s s s s s s s s
different areas to each other and to wide area networks in a span from
s s s s ss s s s s s s s s s s s s s s s s s s s s s s
3 to 30 miles.
s s s s s s s s
Answer: False Difficulty: Moderate s s Reference: p. 13 ss s s
12. An intranet is a LAN that uses Internet technologies and is publicly
s s s s s s s s s s s s s s s s s s s s s s
available to people outside of the organization.
s s s s ss s s s s s s s s
Answer: False Difficulty: Moderate s s Reference: p. 15 ss s s
13. A car manufacturer may give access to certain portions of its network to
ss s s s s s s s s s s s s s s s s s s s s s s
some of its suppliers via Internet. This is an example of an Extranet.
s s s s s s ss s s s s s s s s s s s s s s s s s s
Answer: True Difficulty: Moderate s sReference: p. 15 ss s s
14. The OSI model is the most widely used network model to develop and
s s s s s s s s s s s s s s s s s s s s s s s s
build networks today.
s s s s ss
Answer: True Difficulty: Moderate s s Reference: p. 16 ss s s
15. The network layer is responsible for routing messages from the source
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computer to the destination computer.
s s ss s s s s s s
Answer: True Difficulty: Easy s s Reference: p. 17 ss s s
16. In the OSI model, the application layer is the end user‟s access to the network.
s s s s s s s s s s s s s s s s s s s s s s s s s s s s
Answer: True Difficulty: Moderate s s Reference: ss p. 18
s s
17. The application layer is the seventh layer of the Internet model and
s s s s s s s s s s s s s s s s s s s s s s
provides the end user‟s access to the network.
s s s s ss s s s s s s s s s s
Answer: True Difficulty: Moderate s s Reference: p. 18 ss s s
18. At the transport layer in the Internet model, TCP is responsible for
s s s s s s s s s s s s s s s s s s s s s s
breaking large files received from the application layer into smaller
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packets and opening a connection to a server for transferring the
s s s s s s s s ss s s s s s s s s s s s s
packets.
s s
Answer: True s s Difficulty: Difficult s s Reference: p. 17
s s
19. Ethernet is an example s s s s s s s s of a network layer
s s s s s s s s protocol.
Answer: False Difficulty: Easy s s Reference: ss p. 17
s s
20. Data communication standards enable each layer in the sending
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computer to communicate with its corresponding layer in the
s s s s ss s s s s s s s s s s s s
receiving computer.
s s s s
Answer: True Difficulty: Easy s s Reference: s s p. 22
s s
21. The specification stage of the formal standardization process
s s s s s s s s s s s s s s
consists of developing nomenclature and identifying the problems
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to be addressed.
s s s s s s
Answer: True Difficulty: Moderate s s s s Reference: p. 23
s s
22. ANSI is a voting participant in the ISO.
s s s s s s s s s s s s s s
Answer: True Difficulty: Easy s s Reference: s s p. 23
s s
23. Passive optical networking, a key trend for the future, means that
s s s s s s s s s s s s s s s s s s s s
virtually any computer will be able to communicate with any other
s s s s ss s s s s s s s s s s s s s s s s
computer in the world. Answer:
s s Difficulty:
s s s s s s ss
Reference: p. s s
Chapter 1 ss
ss Introduction to Data ss ss
Communications
ss
True-False Questions ss
The following are possible True/False questions for tests. The statement is given
s s s s s s s s s s s s s s s s s s s s s s
and the answer is provided in square brackets. The level of difficulty (easy,
s s s s ss s s s s s s s s s s s s s s s s s s s s
moderate, difficult) and the page number(s) relevant to the topic are also
s s s s s s s s s s s s s s s s s s s s s s s s
furnished.
s s
1. According to John Chambers, CEO of Cisco (a leading networking
s s s s s s s s s s s s s s s s s s
technology company), the information age is the second Industrial
s s ss s s s s s s s s s s s s s s
Revolution.
s s
Answer:True Difficulty: Easy ss Reference: p. 4
s s
2. Due to recent advances in high speed communication networks, the
s s s s s s s s s s s s s s s s s s
information lag, or the time it takes for information to be
s s s s ss s s s s s s s s s s s s s s s s
s disseminated around the world, has been significantly shortened.
s s s s s s s s s ss s s s s
Answer:True Difficulty: Easy Reference: p.4 s s s s
3. One perspective of data communications and networking as stated in the
s s s s s s s s s s s s s s s s s s s s
textbook, examines the management of networking technologies, including
s s ss s s s s s s s s s s s s
security, network design, and managing the network on a day-to-day
s s s s ss s s s s s s s s s s s s s s
basis and long term basis.
s s s s s s s s s s
Answer:True Difficulty: Moderate Reference: s s s s p. 5
s s
4. The first electronic data communication system was the telephone
s s s s s s s s s s s s s s s s
developed by Alexander Graham Bell.
s s s s ss s s s s
Answer:False Difficulty: Easy Reference: p. 5 ss s s
5. The first transcontinental telephone service was established in the 1940s.
s s s s s s s s s s s s s s s s s s
Answer:False Difficulty: Easy Reference: p. 6 ss s s
6. An Inter-Exchange Carrier (IXC) provides only local telephone services to
s s s s s s s s s s ss s s s s s s
homes and businesses.
s s ss s s
Answer: False Difficulty: Easy
s s Reference: p. 6 s s s s s s
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
s s s s s s s s s s s s s s s s s s
Answer:True Difficulty: Moderate Reference: p. 7 ss s s
8. The Telecommunications Act of 1996 now permits the RBOCs to
ss ss s s s s s s s s s s s s s s
provide long distance outside the region in which they provide local
s s s s ss s s s s s s s s s s s s s s s s
telephone services.
s s s s
Answer: True Difficulty: Moderate
s s Reference: p. 7 ss s s
9. The Internet was started by the U.S. Department of defense in 1969 as
s s s s s s s s s s s s s s s s s s s s s s s s
a network of four computers called ARPANET.
s s s s ss s s s s s s s s
Answer: True Difficulty: Moderate
s s Reference: p. 9 s s s s s s
10. Telecommunications is the transmission of voice and video as well as s s s s s s s s s s s s s s s s s s s s
data and implies transmitting a longer distance than in a data
s s s s ss s s s s s s s s s s s s s s s s
communication network.
s s s s
,https://www.stuvia.com/
Answer:False Difficulty: Moderate
ss Reference: p. 11
s s
,https://www.stuvia.com/
11. A local area network (LAN) connects other LANs and BNs located in
ss s s s s s s s s s s s s s s s s s s s s
different areas to each other and to wide area networks in a span from
s s s s ss s s s s s s s s s s s s s s s s s s s s s s
3 to 30 miles.
s s s s s s s s
Answer: False Difficulty: Moderate s s Reference: p. 13 ss s s
12. An intranet is a LAN that uses Internet technologies and is publicly
s s s s s s s s s s s s s s s s s s s s s s
available to people outside of the organization.
s s s s ss s s s s s s s s
Answer: False Difficulty: Moderate s s Reference: p. 15 ss s s
13. A car manufacturer may give access to certain portions of its network to
ss s s s s s s s s s s s s s s s s s s s s s s
some of its suppliers via Internet. This is an example of an Extranet.
s s s s s s ss s s s s s s s s s s s s s s s s s s
Answer: True Difficulty: Moderate s sReference: p. 15 ss s s
14. The OSI model is the most widely used network model to develop and
s s s s s s s s s s s s s s s s s s s s s s s s
build networks today.
s s s s ss
Answer: True Difficulty: Moderate s s Reference: p. 16 ss s s
15. The network layer is responsible for routing messages from the source
s s s s s s s s s s s s s s s s s s s s
computer to the destination computer.
s s ss s s s s s s
Answer: True Difficulty: Easy s s Reference: p. 17 ss s s
16. In the OSI model, the application layer is the end user‟s access to the network.
s s s s s s s s s s s s s s s s s s s s s s s s s s s s
Answer: True Difficulty: Moderate s s Reference: ss p. 18
s s
17. The application layer is the seventh layer of the Internet model and
s s s s s s s s s s s s s s s s s s s s s s
provides the end user‟s access to the network.
s s s s ss s s s s s s s s s s
Answer: True Difficulty: Moderate s s Reference: p. 18 ss s s
18. At the transport layer in the Internet model, TCP is responsible for
s s s s s s s s s s s s s s s s s s s s s s
breaking large files received from the application layer into smaller
s s s s ss s s s s s s s s s s s s s s
packets and opening a connection to a server for transferring the
s s s s s s s s ss s s s s s s s s s s s s
packets.
s s
Answer: True s s Difficulty: Difficult s s Reference: p. 17
s s
19. Ethernet is an example s s s s s s s s of a network layer
s s s s s s s s protocol.
Answer: False Difficulty: Easy s s Reference: ss p. 17
s s
20. Data communication standards enable each layer in the sending
s s s s s s s s s s s s s s s s
computer to communicate with its corresponding layer in the
s s s s ss s s s s s s s s s s s s
receiving computer.
s s s s
Answer: True Difficulty: Easy s s Reference: s s p. 22
s s
21. The specification stage of the formal standardization process
s s s s s s s s s s s s s s
consists of developing nomenclature and identifying the problems
s s s s ss s s s s s s s s s s
to be addressed.
s s s s s s
Answer: True Difficulty: Moderate s s s s Reference: p. 23
s s
22. ANSI is a voting participant in the ISO.
s s s s s s s s s s s s s s
Answer: True Difficulty: Easy s s Reference: s s p. 23
s s
23. Passive optical networking, a key trend for the future, means that
s s s s s s s s s s s s s s s s s s s s
virtually any computer will be able to communicate with any other
s s s s ss s s s s s s s s s s s s s s s s
computer in the world. Answer:
s s Difficulty:
s s s s s s ss
Reference: p. s s
