TEST BANK For Business Data Communications and Networking, 14th Edition by FitzGerald, Dennis, Durcikova | Verified Chapter's 1 - 12 | Complete

,Chapter 1:Introduction to Data Communications
x1 x 1 x 1 x 1




True-False Questions x1


The following are possible True/False questions for tests. The statement
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x


1is given and the answer
x 1 x 1 is provided
x in
1 square brackets.
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


The level
x 1 of difficulty (easy,
x 1 x 1 moderate,
x 1 difficult) and
x 1 the
x 1 x1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


page number(s) relevant to the topic are also furnished.
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x1 x 1




1. According to John Chambers, CEO of Cisco (a leading networking tech
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


nology company), x1


the information age is the second Industrial Revolution.x 1 x 1 x 1 x 1 x 1 x 1 x 1




Answer:True Difficulty: Easy x1 Reference: p.x 1 4

2. Due to recent advances in high speed communication networks, the inf
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


ormation lag, or the x1 x 1 x 1


time it takes for information to be disseminated aroun x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


d the world, has been significantly
x 1 x1 shortened. x 1 x 1 x 1




Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


textbook, examines x1


the management of networking technologies, including security, ne
x 1 x 1 x 1 x 1 x 1 x 1 x 1


twork design, and x 1 managing the network on a day-to-x 1 x 1 x 1 x 1 x 1 x 1


day basis and long term basis.
x 1 x 1 x 1 x1 x 1




Answer:True Difficulty: Moderate Reference: p. x 1 5
4. The first electronic data communication system was the telephone developed
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


by Alexander Graham Bell.
x 1 x 1 x 1




Answer:False Difficulty: Easy x1 Reference: p. 5 x 1


5. The first transcontinental telephone service was
x 1 x 1 x 1 x 1 x 1 x 1 established in the 1940s. x 1 x 1 x 1




Answer:False Difficulty: Easy Reference: x1 p.x 1 6
6. An Inter-
x 1


Exchange Carrier (IXC) provides only local telephone services to ho
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


mes and businesses.
x 1




Answer: False x 1 Difficulty: Easy Reference: p. x 1 x 1 x 1 x 1 x 1 x 1 6
7. Common carriers x 1 x 1 include the RBOCs, IXCs, and Cable TV companies.
x 1 x 1 x 1 x 1 x 1 x 1 x 1




Answer:True Difficulty: Moderate Reference: x1 x 1 x 1 x 1 p. x 1 7
8. The Telecommunications Act of 1996 now permits the RBOCs to pro
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


vide long distance outside the region in which they provide local telepho
x1 x1 x 1 x1 x 1 x1 x1 x 1 x1 x1 x 1


ne services.
x1




Answer: True Difficulty: Moderate
x 1 Reference: x1 x 1 x 1 x 1 p. x 1 7
9. The Internet was started by the U.S. Department of defense in
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x


1969 as a network of four computers called ARPANET.
1 x 1 x 1 x1 x 1 x 1 x 1 x1




Answer: True x 1 Difficulty: Moderate Reference:
x 1 x 1 x 1 x 1 x 1 p. x 1 9
10. Telecommunications is x 1 x 1 the transmission of voice and video as well
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x


as data and implies
1 x 1 x1 x 1 x 1 x 1 transmitting a longer distance than in a data c
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


ommunication network. x1

,Answer:False Difficulty: Moderate
x1 Reference: x 1 x 1 x 1 p.
x 1 11

, 11. A local area network (LAN) connects other LANs
x1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 and x 1 BNs x 1 located x 1


in different areas to each
x 1 x1 x 1 x 1


other and to wide area networks x 1 x 1 x 1 x 1 x 1 x 1 in x 1 a x 1 span x 1 from x 1


3 to 30 miles.
x 1 x 1 x1




Answer: False x 1 Difficulty: Moderate Reference: x1 p. x 1 13
12. An intranet is a LAN that uses Internet technologies and
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


is publicly available to people outside of the organization.
x 1 x1 x 1 x 1 x 1 x 1 x 1




Answer: False Difficulty: Moderate
x 1 Reference: p. 15 x1 x 1


13. A car manufacturer may give access to certain portions of its netwo
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


rk to some of its suppliers
x 1 x 1 x1 x 1 x 1


via Internet. This is an example of an Extranet. x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1




Answer: True Difficulty: Moderate
x 1 x1 Reference: p. 15 x 1


14. The OSI model is the most widely used network
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 model to develop x 1 x 1


and build networks today.
x 1 x 1 x1 x 1




Answer: True x 1Difficulty: Moderate Reference: x1 p. x 1 16
15. The network layer is responsible for routing messages from th
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


e source computer to the
x 1 x1 destination computer. x 1 x 1 x 1




Answer: True x 1 Difficulty: Easy x1 Reference: p. 17 x 1


16. In x 1 the x 1 OSI model, the
x 1 x 1 x 1 application layer is the x 1 x 1 x 1 x 1 end x 1 user‟s x 1 access to the netw x 1 x 1 x 1


ork.

Answer: True Difficulty: Moderate
x 1 Reference: x1 p. x 1 18
17. The application layer is the seventh layer of the Internet model
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 a
nd provides the end user‟s
x 1 access to the network.
x1 x 1 x 1 x 1 x 1 x 1




Answer: True x 1 Difficulty: Moderate Reference: p. x1 x 1 18
18. At the transport layer in the Internet model, TCP is responsible f
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


or breaking large files
x 1 x1 x 1


received from the application layer into smaller packets an x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


d opening a connection to a server for transferring the packets.
x1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1




Answer: True x 1 Difficulty: Difficult x 1 Reference: p. x 1 17
19. Ethernet is an x 1 x 1 x 1 example of a network layer
x 1 x 1 x 1 x 1 x 1 protocol.

Answer: False Difficulty: Easy
x 1 Reference: p. x1 x 1 17
20. Data communication standards enable each layer in the sending compu
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


ter to communicate
x 1 x1


with its corresponding layer in the receiving computer x 1 x 1 x 1 x 1 x 1 x 1 x 1


.

Answer: True x 1 Difficulty: Easy Reference: x 1 p. x 1 22
21. The specification stage of the formal standardization process consists o
x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1


f developing
x 1


nomenclature and identifying the problems to be addr x 1 x 1 x 1 x 1 x 1 x 1 x 1


essed.

Answer: True x 1 Difficulty: Moderate x 1 Reference: p. x 1 23
22. ANSI is a voting
x 1 x 1 x 1 x 1 participant in the ISO. x 1 x 1 x 1




Answer: True x 1 Difficulty: Easy x 1 Reference: p. x 1 23