Business Data Communications and
Networking,
13th Edition by FitzGerald,
All Chapters 1 to 20
, Chapter 1
Introduction to Data Communications
True-False Questions
The following are possible True/False questions for tests. The statement is given
and the answer is provided in square brackets. The level of difficulty (easy,
moderate, difficult) and the page number(s) relevant to the topic are also
furnished.
1. According to John Chambers, CEO of Cisco (a leading networking
technology company), the information age is the second Industrial
Revolution.
Answer:True Difficulty: Easy Reference: p. 4
2. Due to recent advances in high speed communication networks, the
information lag, or the time it takes for information to be disseminated
around the world, has been significantly shortened.
Answer:True Difficulty: Easy Reference: p.4
3. One perspective of data communications and networking as stated in the
textbook, examines the management of networking technologies, including
security, network design, and managing the network on a day-to-day basis
and long term basis.
Answer:True Difficulty: Moderate Reference: p. 5
4. The first electronic data communication system was the telephone
developed by Alexander Graham Bell.
Answer:False Difficulty: Easy Reference: p. 5
5. The first transcontinental telephone service was established in the 1940s.
Answer:False Difficulty: Easy Reference: p. 6
6. An Inter-Exchange Carrier (IXC) provides only local telephone services to
homes and businesses.
Answer: False Difficulty: Easy Reference: p. 6
7. Common carriers include the RBOCs, IXCs, and Cable TV companies.
Answer:True Difficulty: Moderate Reference: p. 7
8. The Telecommunications Act of 1996 now permits the RBOCs to provide
long distance outside the region in which they provide local telephone
services.
Answer: True Difficulty: Moderate Reference: p. 7
9. The Internet was started by the U.S. Department of defense in 1969 as a
network of four computers called ARPANET.
, Answer: True Difficulty: Moderate Reference: p. 9
10. Telecommunications is the transmission of voice and video as well as
data and implies transmitting a longer distance than in a data
communication network.
Answer:False Difficulty: Moderate Reference: p. 11
, 11. A local area network (LAN) connects other LANs and BNs located in different
areas to each other and to wide area networks in a span from 3 to 30 miles.
Answer: False Difficulty: Moderate Reference: p. 13
12. An intranet is a LAN that uses Internet technologies and is publicly
available to people outside of the organization.
Answer: False Difficulty: Moderate Reference: p. 15
13. A car manufacturer may give access to certain portions of its network to some
of its suppliers via Internet. This is an example of an Extranet.
Answer: True Difficulty: Moderate Reference: p. 15
14. The OSI model is the most widely used network model to develop and build
networks today.
Answer: True Difficulty: Moderate Reference: p. 16
15. The network layer is responsible for routing messages from the source
computer to the destination computer.
Answer: True Difficulty: Easy Reference: p. 17
16. In the OSI model, the application layer is the end user’s access to the network.
Answer: True Difficulty: Moderate Reference: p. 18
17. The application layer is the seventh layer of the Internet model and
provides the end user’s access to the network.
Answer: True Difficulty: Moderate Reference: p. 18
18. At the transport layer in the Internet model, TCP is responsible for breaking
large files received from the application layer into smaller packets and
opening a connection to a server for transferring the packets.
Answer: True Difficulty: Difficult Reference: p. 17
19. Ethernet is an example of a network layer protocol.
Answer: False Difficulty: Easy Reference: p. 17
20. Data communication standards enable each layer in the sending computer
to communicate with its corresponding layer in the receiving computer.
Answer: True Difficulty: Easy Reference: p. 22
21. The specification stage of the formal standardization process consists of
developing nomenclature and identifying the problems to be
addressed.
Answer: True Difficulty: Moderate Reference: p. 23
22. ANSI is a voting participant in the ISO.
Answer: True Difficulty: Easy Reference: p. 23
23. Passive optical networking, a key trend for the future, means that virtually any
computer will be able to communicate with any other computer in the