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