TestBankFor
xx
BusinessData m
j
Communications
andNetworking,
xmjxmj m
j
13thEdition by
xmjxmj m
j xx
FitzGerald,Dennis, D
xmjxmj mj
urcikova
, Chapter 1 mj
Introduction to Data Communications m j m j m j
True-False Questions mj
The following are possible True/False
m j m j m j m j m j questions for tests. The statement m j m j m j m j m j
is given and the answer
m j m j is m j m j m j m j m j m j m j m j provided in square brackets. m j m j m j m j m j m j m j
m jThe level of m jdifficulty (easy,
m j m j m j m j m j mj m j m jmoderate, difficult) and the m j m j m j m j m j m j m j
m page
j number(s) relevant to the
m j m j m j m j m j m j m j topic are also furnished.m j mj m j
1. According to John Chambers, CEO of Cisco (a leading networking tec
m j m j m j m j m j m j m j m j m j m j
hnology company), mj
the information age is the second Industrial Revolution. m j m j m j m j m j m j m j
Answer:True Difficulty: Easy mj Reference: p. m j 4
2. Due to recent advances in high speed communication networks, the inf
m j m j m j m j m j m j m j m j m j m j
ormation lag, or the mj m j m j
time it takes for information to be disseminated aroun m j m j m j m j m j m j m j m j
d the world, has been significantly
m j shortened.
mj m j m j m j
Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the
m j m j m j m j m j m j m j m j m j m j m
textbook, examines
j mj
the management of networking technologies, including security, n m j m j m j m j m j m j m j
etwork design, and managing the network on a day-to-
m j m j m j m j m j m j m j
day basis and long term basis.
m j m j m j mj m j
Answer:True Difficulty: Moderate Reference: p. m j 5
4. The first electronic data communication system was the telephone develope
m j m j m j m j m j m j m j m j m j
d by Alexander Graham Bell.
m j m j m j
Answer:False Difficulty: Easy mj Reference: p. 5 m j
5. The first transcontinental telephone service was
m j m j m j m j m j m j established in the 1940s. m j m j m j
Answer:False Difficulty: Easy Reference: mj p. m j 6
6. An Inter- m j
Exchange Carrier (IXC) provides only local telephone services to ho
m j m j m j m j m j m j m j m j m j
mes and businesses. m j
Answer: False m j Difficulty: Easy Reference: p. m j m j m j m j m j m j 6
7. Common carriers m j m j include the RBOCs, IXCs, and Cable TV companies.
m j m j m j m j m j m j m j
Answer:True Difficulty: Moderate Reference: mj m j m j m j p. m j 7
8. The Telecommunications Act of 1996 now permits the RBOCs to pr
m j m j m j m j m j m j m j m j m j m j
ovide long distance outside the region in which they provide local telep
mj mj m j mj m j mj mj m j mj mj m j
hone services. mj
Answer: True Difficulty: Moderate m j Reference: mj m j m j m j p. m j 7
9. The Internet was started by the U.S. Department of defense in
m j m j m j m j m j m j m j m j m j m j
1969 as a network of four computers called ARPANET.
m j m j m j mj m j m j m j mj
Answer: True Difficulty: Moderatem j Reference: m j m j m j m j m j p. m j 9
10. Telecommunications is the transmission of voice and video as well m j m j m j m j m j m j m j m j m j
as data and implies transmitting a longer distance than in a data
m j m j mj m j m j m j m j m j m j m j m j m j m j m j
,communication network.
mj
Answer:False Difficulty: Moderate
mj Reference: m j m j m j p.
m j 11
, 11. A local area network (LAN) connects other LANs
mj m j m j m j m j m j m j m j and m j BNs m j located m j
in different areas to each
m j mj m j m j
other and to wide area networks m j m j m j m j m j m j in m j a m j span m j from m
j 3 to 30 miles.
m j m j mj
Answer: False Difficulty: Moderate
m j Reference: mj p. m j 13
12. An intranet is a LAN that uses Internet technologies and
m j m j m j m j m j m j m j m j m j m j
is publicly available to people outside of the organization.
m j mj m j m j m j m j m j
Answer: False Difficulty: Moderate
m j Reference: p. 15 mj m j
13. A car manufacturer may give access to certain portions of its netwo
m j m j m j m j m j m j m j m j m j m j m j
rk to some of its suppliers
m j m j mj m j m j
via Internet. This is an example of an Extranet. m j m j m j m j m j m j m j m j
Answer: True Difficulty: Moderate
m j mj Reference: p. m j 15
14. The OSI model is the most widely used
m j m j m j m j m j m j m j m j network m j model to develo m j m j
p and build networks today.
m j m j mj m j
Answer: True Difficulty: Moderate
m j Reference: mj p. m j 16
15. The network layer is responsible for routing messages from t
m j m j m j m j m j m j m j m j m j
he source computer to the
m j destination computer.
mj m j m j m j
Answer: True m j Difficulty: Easy mj Reference: p. 17 m j
16. In m j the m j OSI model, the
m j m j m j application layer is the m j m j m j m j end m j user‟s m j access to the netw m j m j m j
ork.
Answer: True Difficulty: Moderate
m j Reference: mj p. m j 18
17. The application layer is the seventh layer of the Internet model
m j m j m j m j m j m j m j m j m j m j m j a
nd provides the end user‟s
m j access to the network.
mj m j m j m j m j m j
Answer: True Difficulty: Moderate
m j Reference: p. mj m j 18
18. At the transport layer in the Internet model, TCP is responsible f
m j m j m j m j m j m j m j m j m j m j m j
or breaking large files
m j mj m j
received from the application layer into smaller packets a m j m j m j m j m j m j m j m j
nd opening a connection to a server for transferring the packets.
mj m j m j m j m j m j m j m j m j
Answer: True m j Difficulty: Difficult m j Reference: p. m j 17
19. Ethernet is an m j m j m j example m j of a network layer
m j m j m j m j protocol.
Answer: False Difficulty: Easy
m j Reference: p. mj m j 17
20. Data communication standards enable each layer in the sending comp
m j m j m j m j m j m j m j m j m j
uter to communicate
m j mj
with its corresponding layer in the receiving compute m j m j m j m j m j m j m j
r.
Answer: True Difficulty: Easy
m j Reference: m j p. m j 22
21. The specification stage of the formal standardization process consists
m j m j m j m j m j m j m j m j m j
of developing
m j
nomenclature and identifying the problems to be add m j m j m j m j m j m j m j
ressed.
Answer: True m j Difficulty: Moderate m j Reference: p. m j 23
22. ANSI is a voting m j m j m j m j participant in the ISO. m j m j m j
Answer: True m j Difficulty: m j Easy Reference: p. m j 23
xx
BusinessData m
j
Communications
andNetworking,
xmjxmj m
j
13thEdition by
xmjxmj m
j xx
FitzGerald,Dennis, D
xmjxmj mj
urcikova
, Chapter 1 mj
Introduction to Data Communications m j m j m j
True-False Questions mj
The following are possible True/False
m j m j m j m j m j questions for tests. The statement m j m j m j m j m j
is given and the answer
m j m j is m j m j m j m j m j m j m j m j provided in square brackets. m j m j m j m j m j m j m j
m jThe level of m jdifficulty (easy,
m j m j m j m j m j mj m j m jmoderate, difficult) and the m j m j m j m j m j m j m j
m page
j number(s) relevant to the
m j m j m j m j m j m j m j topic are also furnished.m j mj m j
1. According to John Chambers, CEO of Cisco (a leading networking tec
m j m j m j m j m j m j m j m j m j m j
hnology company), mj
the information age is the second Industrial Revolution. m j m j m j m j m j m j m j
Answer:True Difficulty: Easy mj Reference: p. m j 4
2. Due to recent advances in high speed communication networks, the inf
m j m j m j m j m j m j m j m j m j m j
ormation lag, or the mj m j m j
time it takes for information to be disseminated aroun m j m j m j m j m j m j m j m j
d the world, has been significantly
m j shortened.
mj m j m j m j
Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the
m j m j m j m j m j m j m j m j m j m j m
textbook, examines
j mj
the management of networking technologies, including security, n m j m j m j m j m j m j m j
etwork design, and managing the network on a day-to-
m j m j m j m j m j m j m j
day basis and long term basis.
m j m j m j mj m j
Answer:True Difficulty: Moderate Reference: p. m j 5
4. The first electronic data communication system was the telephone develope
m j m j m j m j m j m j m j m j m j
d by Alexander Graham Bell.
m j m j m j
Answer:False Difficulty: Easy mj Reference: p. 5 m j
5. The first transcontinental telephone service was
m j m j m j m j m j m j established in the 1940s. m j m j m j
Answer:False Difficulty: Easy Reference: mj p. m j 6
6. An Inter- m j
Exchange Carrier (IXC) provides only local telephone services to ho
m j m j m j m j m j m j m j m j m j
mes and businesses. m j
Answer: False m j Difficulty: Easy Reference: p. m j m j m j m j m j m j 6
7. Common carriers m j m j include the RBOCs, IXCs, and Cable TV companies.
m j m j m j m j m j m j m j
Answer:True Difficulty: Moderate Reference: mj m j m j m j p. m j 7
8. The Telecommunications Act of 1996 now permits the RBOCs to pr
m j m j m j m j m j m j m j m j m j m j
ovide long distance outside the region in which they provide local telep
mj mj m j mj m j mj mj m j mj mj m j
hone services. mj
Answer: True Difficulty: Moderate m j Reference: mj m j m j m j p. m j 7
9. The Internet was started by the U.S. Department of defense in
m j m j m j m j m j m j m j m j m j m j
1969 as a network of four computers called ARPANET.
m j m j m j mj m j m j m j mj
Answer: True Difficulty: Moderatem j Reference: m j m j m j m j m j p. m j 9
10. Telecommunications is the transmission of voice and video as well m j m j m j m j m j m j m j m j m j
as data and implies transmitting a longer distance than in a data
m j m j mj m j m j m j m j m j m j m j m j m j m j m j
,communication network.
mj
Answer:False Difficulty: Moderate
mj Reference: m j m j m j p.
m j 11
, 11. A local area network (LAN) connects other LANs
mj m j m j m j m j m j m j m j and m j BNs m j located m j
in different areas to each
m j mj m j m j
other and to wide area networks m j m j m j m j m j m j in m j a m j span m j from m
j 3 to 30 miles.
m j m j mj
Answer: False Difficulty: Moderate
m j Reference: mj p. m j 13
12. An intranet is a LAN that uses Internet technologies and
m j m j m j m j m j m j m j m j m j m j
is publicly available to people outside of the organization.
m j mj m j m j m j m j m j
Answer: False Difficulty: Moderate
m j Reference: p. 15 mj m j
13. A car manufacturer may give access to certain portions of its netwo
m j m j m j m j m j m j m j m j m j m j m j
rk to some of its suppliers
m j m j mj m j m j
via Internet. This is an example of an Extranet. m j m j m j m j m j m j m j m j
Answer: True Difficulty: Moderate
m j mj Reference: p. m j 15
14. The OSI model is the most widely used
m j m j m j m j m j m j m j m j network m j model to develo m j m j
p and build networks today.
m j m j mj m j
Answer: True Difficulty: Moderate
m j Reference: mj p. m j 16
15. The network layer is responsible for routing messages from t
m j m j m j m j m j m j m j m j m j
he source computer to the
m j destination computer.
mj m j m j m j
Answer: True m j Difficulty: Easy mj Reference: p. 17 m j
16. In m j the m j OSI model, the
m j m j m j application layer is the m j m j m j m j end m j user‟s m j access to the netw m j m j m j
ork.
Answer: True Difficulty: Moderate
m j Reference: mj p. m j 18
17. The application layer is the seventh layer of the Internet model
m j m j m j m j m j m j m j m j m j m j m j a
nd provides the end user‟s
m j access to the network.
mj m j m j m j m j m j
Answer: True Difficulty: Moderate
m j Reference: p. mj m j 18
18. At the transport layer in the Internet model, TCP is responsible f
m j m j m j m j m j m j m j m j m j m j m j
or breaking large files
m j mj m j
received from the application layer into smaller packets a m j m j m j m j m j m j m j m j
nd opening a connection to a server for transferring the packets.
mj m j m j m j m j m j m j m j m j
Answer: True m j Difficulty: Difficult m j Reference: p. m j 17
19. Ethernet is an m j m j m j example m j of a network layer
m j m j m j m j protocol.
Answer: False Difficulty: Easy
m j Reference: p. mj m j 17
20. Data communication standards enable each layer in the sending comp
m j m j m j m j m j m j m j m j m j
uter to communicate
m j mj
with its corresponding layer in the receiving compute m j m j m j m j m j m j m j
r.
Answer: True Difficulty: Easy
m j Reference: m j p. m j 22
21. The specification stage of the formal standardization process consists
m j m j m j m j m j m j m j m j m j
of developing
m j
nomenclature and identifying the problems to be add m j m j m j m j m j m j m j
ressed.
Answer: True m j Difficulty: Moderate m j Reference: p. m j 23
22. ANSI is a voting m j m j m j m j participant in the ISO. m j m j m j
Answer: True m j Difficulty: m j Easy Reference: p. m j 23
