,https://www.stuvia.com/
Chapter 1 t
Introduction to Data Communications t t t
True-False Questions t
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 t Reference: p. 4 t t
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.
t
Answer:True Difficulty: Easy Reference: p.4 t t
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 t t t
4. The first electronic data communication system was the telephone developed by Alexander
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Graham Bell.
t t
Answer:False Difficulty:Easy Reference: p. 5 t t t
5. The first transcontinental telephone service was established in the 1940s.
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Answer:False Difficulty:Easy Reference: p. 6 t t t
6. An Inter-Exchange Carrier (IXC) provides only local telephone services to homes and
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businesses.
t
Answer: False Difficulty: Easy t Reference: p. 6 t t t
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
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Answer:True Difficulty:Moderate Reference: p. 7 t t t
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.
t t t t t t t t t t
Answer: True Difficulty:Moderate t Reference: p. 7 t t t
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.
t t t
Answer: True Difficulty: Moderatet Reference: p. 9 t t t
10. Telecommunications is the transmission of voice and video as well as data and implies t t t t t t t t t t t t t
transmitting a longer distance than in a data communication network.
t t t t t t t t t t
Answer:False Difficulty:Moderate t Reference: p. 11 t t
,https://www.stuvia.com/
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 t Reference: p. 13 t t t
12. An intranet is a LAN that uses Internet technologies and is publicly available to people
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outside of the organization.
t t t t
Answer: False Difficulty:Moderate t Reference: p. 15 t t t
13. A car manufacturer may give access to certain portions of its network to some of its suppliersvia
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Internet. This is an example of an Extranet.
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Answer: True Difficulty:Moderate t Reference: p. 15 t t t
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 t Reference: p. 16 t t t
15. The network layer is responsible for routing messages from the source computer to the
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destination computer.
t t
Answer: True Difficulty:Easy t Reference: p. 17 t t t
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 t Reference: p. 18 t t t
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.
t t t t
Answer: True Difficulty:Moderate t Reference: p. 18 t t t
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.
t t t t
Answer: True Difficulty: Difficult t t Reference: p. 17 t t
19. Ethernet is an example of a network layer protocol. t t t t t t t t
Answer: False Difficulty:Easy t Reference: p. 17 t t t
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 t Reference: p. 22 t t t
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 t t Reference: p. 23 t t
22. ANSI is a voting participant in the ISO.
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Answer: True Difficulty: Easy t Reference: p. 23 t t t
23. Passive optical networking, a key trend for the future, means that virtually any computer willbe
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able to communicate with any other computer in the world.
t t t t t t t t t t
Answer: False t Difficulty: Moderate t Reference: p. 26 t t
,https://www.stuvia.com/
24. The high bandwidth requirements (high communications needs) for video have slowed its
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integration into computer networks.
t t t t
Answer: True Difficulty: Moderate
t Reference: p. 28 t t t
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 t Difficulty: Moderate t Reference: p. 29 t t
MULTIPLE CHOICE t
The following are possible multiple-choice questions for tests. The question is posed and the
t t t t t t t t t t t t t
answer is provided under the choices. The level of difficulty (easy, moderate, difficult) and the
t t t t t t t t t t t t t t t
page number(s) relevant to the topic is also furnished.
t t t t t t t t t
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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spreadaround the world
t t t t
b. the technologies enable global communication t t t t
c. the political and regulatory issues are exactly the same in every country
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d. a and b t t
e. none of the above t t t
Answer: D Difficulty: Easy
t Reference: p. 4 t t t
2. In 1970, a key decision regarding MCI:
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a. set up the Telecommunications Competition and Deregulation Act
t t t t t t t
b. permitted MCI to provide limited long distance service in the U.S. t t t t t t t t t t
c. permitted telephone and/or computer equipment that was not manufactured by t t t t t t t t t
BellTelephone to be connected to AT&T’s network
t t t t t t t t
d. divided AT&T into two parts: one part for long distance service, and a second part,
t t t t t t t t t t t t t t
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: Easyt Reference: p. 6 t tt t
3. In 1984, a federal judge broke up a highly contested telephone service monopoly and:
t t t t t t t t t t t t t
a. set up the Telecommunications Competition and Deregulation Act t t t t t t t
b. permitted MCI to provide limited long distance service in the U.S. t t t t t t t t t t
c. permitted telephone and/or computer equipment that was not manufactured by t t t t t t t t t
Bell Telephone to be connected to AT&T’s network t t t t t t t t
d. divided AT&T into two parts: one part for long distance service, and a second part, t t t t t t t t t t t t t t
comprised of seven regional operating companies, for local telephone service
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e. set up deregulation for international telecommunications markets in 68 countries
t t t t t t t t t
Answer: D t Difficulty: Easy t Reference: p. t
6
t
Chapter 1 t
Introduction to Data Communications t t t
True-False Questions t
The following are possible True/False questions for tests. The statement is given and the answer
t t t t t t t t t t t t t t
is provided in square brackets. The level of difficulty (easy, moderate, difficult) and the page
t t t t t t t t t t t t t t t
number(s) relevant to the topic are also furnished.
t t t t t t t t
1. According to John Chambers, CEO of Cisco (a leading networking technology company),
t t t t t t t t t t t
the information age is the second Industrial Revolution.
t t t t t t t t
Answer:True Difficulty:Easy t Reference: p. 4 t t
2. Due to recent advances in high speed communication networks, the information lag, or the
t t t t t t t t t t t t t
time it takes for information to be disseminated around the world, has been significantly
t t t t t t t t t t t t t t
shortened.
t
Answer:True Difficulty: Easy Reference: p.4 t t
3. One perspective of data communications and networking as stated in the textbook, examines
t t t t t t t t t t t t
the management of networking technologies, including security, network design, and
t t t t t t t t t t
managing the network on a day-to-day basis and long term basis.
t t t t t t t t t t t
Answer:True Difficulty: Moderate Reference: p. 5 t t t
4. The first electronic data communication system was the telephone developed by Alexander
t t t t t t t t t t t
Graham Bell.
t t
Answer:False Difficulty:Easy Reference: p. 5 t t t
5. The first transcontinental telephone service was established in the 1940s.
t t t t t t t t t
Answer:False Difficulty:Easy Reference: p. 6 t t t
6. An Inter-Exchange Carrier (IXC) provides only local telephone services to homes and
t t t t t t t t t t t
businesses.
t
Answer: False Difficulty: Easy t Reference: p. 6 t t t
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
t t t t t t t t t
Answer:True Difficulty:Moderate Reference: p. 7 t t t
8. The Telecommunications Act of 1996 now permits the RBOCs to provide long distance
t t t t t t t t t t t t
outside the region in which they provide local telephone services.
t t t t t t t t t t
Answer: True Difficulty:Moderate t Reference: p. 7 t t t
9. The Internet was started by the U.S. Department of defense in 1969 as a network of four
t t t t t t t t t t t t t t t t
computers called ARPANET.
t t t
Answer: True Difficulty: Moderatet Reference: p. 9 t t t
10. Telecommunications is the transmission of voice and video as well as data and implies t t t t t t t t t t t t t
transmitting a longer distance than in a data communication network.
t t t t t t t t t t
Answer:False Difficulty:Moderate t Reference: p. 11 t t
,https://www.stuvia.com/
11. A local area network (LAN) connects other LANs and BNs located in different areas to each
t t t t t t t t t t t t t t t
other and to wide area networks in a span from 3 to 30 miles.
t t t t t t t t t t t t t t
Answer: False Difficulty:Moderate t Reference: p. 13 t t t
12. An intranet is a LAN that uses Internet technologies and is publicly available to people
t t t t t t t t t t t t t t
outside of the organization.
t t t t
Answer: False Difficulty:Moderate t Reference: p. 15 t t t
13. A car manufacturer may give access to certain portions of its network to some of its suppliersvia
t t t t t t t t t t t t t t t t t
Internet. This is an example of an Extranet.
t t t t t t t t
Answer: True Difficulty:Moderate t Reference: p. 15 t t t
14. The OSI model is the most widely used network model to develop and build networks today.
t t t t t t t t t t t t t t t
Answer: True Difficulty:Moderate t Reference: p. 16 t t t
15. The network layer is responsible for routing messages from the source computer to the
t t t t t t t t t t t t t
destination computer.
t t
Answer: True Difficulty:Easy t Reference: p. 17 t t t
16. In the OSI model, the application layer is the end user’s access to the network.
t t t t t t t t t t t t t t
Answer: True Difficulty:Moderate t Reference: p. 18 t t t
17. The application layer is the seventh layer of the Internet model and provides the end user’s
t t t t t t t t t t t t t t t
access to the network.
t t t t
Answer: True Difficulty:Moderate t Reference: p. 18 t t t
18. At the transport layer in the Internet model, TCP is responsible for breaking large files
t t t t t t t t t t t t t t
received from the application layer into smaller packets and opening a connection to a server
t t t t t t t t t t t t t t t
for transferring the packets.
t t t t
Answer: True Difficulty: Difficult t t Reference: p. 17 t t
19. Ethernet is an example of a network layer protocol. t t t t t t t t
Answer: False Difficulty:Easy t Reference: p. 17 t t t
20. Data communication standards enable each layer in the sending computer to communicate
t t t t t t t t t t t
with its corresponding layer in the receiving computer.
t t t t t t t t
Answer: True Difficulty: Easy t Reference: p. 22 t t t
21. The specification stage of the formal standardization process consists of developing
t t t t t t t t t t
nomenclature and identifying the problems to be addressed.
t t t t t t t t
Answer: True Difficulty: Moderate t t Reference: p. 23 t t
22. ANSI is a voting participant in the ISO.
t t t t t t t
Answer: True Difficulty: Easy t Reference: p. 23 t t t
23. Passive optical networking, a key trend for the future, means that virtually any computer willbe
t t t t t t t t t t t t t t t
able to communicate with any other computer in the world.
t t t t t t t t t t
Answer: False t Difficulty: Moderate t Reference: p. 26 t t
,https://www.stuvia.com/
24. The high bandwidth requirements (high communications needs) for video have slowed its
t t t t t t t t t t t
integration into computer networks.
t t t t
Answer: True Difficulty: Moderate
t Reference: p. 28 t t t
25. An Application Service Provider (ASP) develops a specific system and companies purchase
t t t t t t t t t t t
or rent the service without installing the system on their own computers.
t t t t t t t t t t t t
Answer: True t Difficulty: Moderate t Reference: p. 29 t t
MULTIPLE CHOICE t
The following are possible multiple-choice questions for tests. The question is posed and the
t t t t t t t t t t t t t
answer is provided under the choices. The level of difficulty (easy, moderate, difficult) and the
t t t t t t t t t t t t t t t
page number(s) relevant to the topic is also furnished.
t t t t t t t t t
1. Data communications and networking can be considered as a global area of study because:
t t t t t t t t t t t t t
a. new technologies and applications emerge from a variety of countries and
t t t t t t t t t t
spreadaround the world
t t t t
b. the technologies enable global communication t t t t
c. the political and regulatory issues are exactly the same in every country
t t t t t t t t t t t
d. a and b t t
e. none of the above t t t
Answer: D Difficulty: Easy
t Reference: p. 4 t t t
2. In 1970, a key decision regarding MCI:
t t t t t t
a. set up the Telecommunications Competition and Deregulation Act
t t t t t t t
b. permitted MCI to provide limited long distance service in the U.S. t t t t t t t t t t
c. permitted telephone and/or computer equipment that was not manufactured by t t t t t t t t t
BellTelephone to be connected to AT&T’s network
t t t t t t t t
d. divided AT&T into two parts: one part for long distance service, and a second part,
t t t t t t t t t t t t t t
comprised of seven operating companies, for local telephone service
t t t t t t t t t
e. set up deregulation for international telecommunications markets in 68 countries
t t t t t t t t t
Answer: B Difficulty: Easyt Reference: p. 6 t tt t
3. In 1984, a federal judge broke up a highly contested telephone service monopoly and:
t t t t t t t t t t t t t
a. set up the Telecommunications Competition and Deregulation Act t t t t t t t
b. permitted MCI to provide limited long distance service in the U.S. t t t t t t t t t t
c. permitted telephone and/or computer equipment that was not manufactured by t t t t t t t t t
Bell Telephone to be connected to AT&T’s network t t t t t t t t
d. divided AT&T into two parts: one part for long distance service, and a second part, t t t t t t t t t t t t t t
comprised of seven regional operating companies, for local telephone service
t t t t t t t t t t
e. set up deregulation for international telecommunications markets in 68 countries
t t t t t t t t t
Answer: D t Difficulty: Easy t Reference: p. t
6
t
