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