Chapter1 o,
IntroductiontoDataCommunications o, o, o,
True-FalseQuestions o,
The following are possible True/False questions for tests. The statement is given and the answer is
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provided in square brackets. The level of difficulty (easy, moderate, difficult) and the page number(s)
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relevant to the topic are also furnished.
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1. AccordingtoJohn Chambers, CEOofCisco(aleading networkingtechnologycompany), the
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information age is the second Industrial Revolution.
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Answer:True Difficulty:Easy o, Reference: p. 4 o , o,
2. Due torecent advances inhighspeed communication networks,theinformation lag, or the time it
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takes for information to be disseminated around the world, has been significantly shortened.
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Answer:True Difficulty: Easy Reference: p.4 o , o ,
3. One perspective ofdatacommunications and networkingasstatedin thetextbook,examines the
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management of networking technologies, including security, network design, and managing the
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network on a day-to-day basis and long term basis.
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Answer:True Difficulty: Moderate Reference: p. 5 o , o , o,
4. Thefirst electronic data communication system was thetelephonedevelopedbyAlexander
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Graham Bell.
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Answer:False Difficulty:Easy Reference: p. 5 o, o , o,
5. The first transcontinental telephoneservicewas established inthe1940s.
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Answer:False Difficulty:Easy Reference: p. 6 o, o , o,
6. AnInter-ExchangeCarrier (IXC) providesonlylocal telephoneservices tohomes and
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businesses.
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Answer: False Difficulty: Easy o , o , Reference: p. 6 o , o,
7. Common carriers include theRBOCs, IXCs, and CableTVcompanies. o, o, o, o, o, o, o, o, o,
Answer:True Difficulty:Moderate Reference: p. 7 o, o , o,
8. TheTelecommunicationsActof1996nowpermits theRBOCstoprovidelongdistance
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outside the region in which they provide local telephone services.
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Answer:True Difficulty:Moderate o, Reference: p. 7 o, o , o,
9. The Internet was started bythe U.S.Department of defense in 1969as anetwork of four
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computers called ARPANET.
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Answer: True Difficulty: Moderate o, Reference: p. 9 o , o , o,
10. Telecommunicationsisthetransmission ofvoiceandvideoaswell asdataandimplies o, o, o, o, o, o, o, o, o, o, o, o, o,
transmitting a longer distance than in a data communication network.
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Answer:False Difficulty:Moderate o, Reference: p. 11 o , o,
,https://www.stuvia.com/
11. Alocalareanetwork (LAN) connects other LANs and BNslocated in different areas to each other
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and to wide area networks in a span from 3 to 30 miles.
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Answer: False Difficulty:Moderate Reference: p. 13 o, o, o , o,
12. Anintranet is a LAN that uses Internet technologies and is publicly available topeople
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outside of the organization.
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Answer: False Difficulty:Moderate Reference: p. 15 o, o, o , o,
13. Acar manufacturer may give access to certainportions of itsnetwork tosome ofits suppliers via
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Internet. This is an example of an Extranet.
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Answer:True Difficulty:Moderate Reference: p. 15 o, o, o , o,
14. TheOSI model isthe most widely usednetwork model todevelop and build networks today.
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Answer:True Difficulty:Moderate Reference: p. 16 o, o, o , o,
15. The network layer isresponsible for routing messages fromthesourcecomputer tothe
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destination computer.
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Answer:True Difficulty:Easy Reference: p. 17 o, o, o , o,
16. IntheOSI model, theapplication layer is the end user’s access to thenetwork.
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Answer:True Difficulty:Moderate Reference: p. 18 o, o, o , o,
17. The application layer istheseventh layer of theInternet model andprovidestheend user’s access
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to the network.
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Answer:True Difficulty:Moderate Reference: p. 18 o, o, o , o,
18. At the transport layer in the Internet model, TCPis responsible for breaking large files received
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fromtheapplication layer intosmaller packets andopeningaconnection to aserver for transferring
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the packets.
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Answer:True Difficulty: Difficult o, o, Reference: p. 17 o , o,
19. Ethernet is an example of anetwork layer protocol. o, o, o, o, o, o, o, o,
Answer: False Difficulty:Easy Reference: p. 17 o, o, o , o,
20. Datacommunication standards enableeachlayer in thesendingcomputer tocommunicate with
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its corresponding layer in the receiving computer.
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Answer:True Difficulty: Easy Reference: p. 22 o, o, o , o,
21. Thespecificationstageoftheformal standardization processconsistsofdeveloping
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nomenclature and identifying the problems to be addressed.
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Answer:True Difficulty: Moderate o, o, Reference: p. 23 o , o,
22. ANSI isa voting participant in the ISO. o, o, o, o, o, o, o,
Answer:True Difficulty: Easy Reference: p. 23 o, o, o , o,
23. Passive optical networking, akey trendfor the future, means that virtually anycomputer will be able
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to communicate with any other computer in the world.
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Answer: False o, Difficulty:Moderate o, Reference: p. 26 o , o,
,https://www.stuvia.com/
24. Thehighbandwidthrequirements (highcommunications needs) for video haveslowedits
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integration into computer networks.
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Answer:True Difficulty:Moderate o, Reference: p. 28 o, o , o,
25. AnApplication ServiceProvider (ASP)developsaspecific system and companies purchase or
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rent the service without installing the system on their own computers.
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Answer:True o, Difficulty:Moderate o, Reference: p. 29 o , o,
MULTIPLECHOICE o,
The following are possible multiple-choice questions for tests. The question is posed and the answer is
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provided under the choices. The level of difficulty (easy, moderate, difficult) and the page number(s)
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relevant to the topic is also furnished.
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1. Datacommunications and networkingcan be considered as a global area of studybecause:
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a. new technologies and applications emerge from a variety of countries and
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spread around the world
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b. thetechnologies enableglobal communication o, o, o, o,
c. thepolitical and regulatory issues are exactly the same in every country
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d. a and b o, o,
e. noneof the above o, o, o,
Answer: D Difficulty: Easy o, Reference: p. 4 o, o , o,
2. In 1970, a keydecision regarding MCI:
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a. setup theTelecommunicationsCompetitionandDeregulationAct o, o, o, o, o, o, o,
b. permitted MCI to providelimited long distance service in theU.S. o, o, o, o, o, o, o, o, o, o,
c. permitted telephone and/or computer equipment that was not manufactured by Bell o, o, o, o, o, o, o, o, o, o,
Telephone to be connected to AT&T’s network
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d. divided AT&T into two parts: one part for long distance service, and a second part, o, o, o, o, o, o, o, o, o, o, o, o, o, o,
comprised of seven operating companies, for local telephone service
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e. setup deregulation for internationaltelecommunications markets in 68countries
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Answer: B Difficulty: Easy Reference: p. 6
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3. In1984,a federal judge broke upahighlycontested telephone service monopoly and:
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a. setuptheTelecommunicationsCompetitionandDeregulationAct o, o, o, o, o, o, o,
b. permitted MCI to providelimited long distance service in the U.S. o, o, o, o, o, o, o, o, o, o,
c. permitted telephone and/or computer equipment that was not manufactured by Bell o, o, o, o, o, o, o, o, o, o,
Telephone to be connected to AT&T’s network o, o, o, o, o, o, o,
d. divided AT&T into two parts: one part for long distance service, and a second part, o, o, o, o, o, o, o, o, o, o, o, o, o, o,
comprised of seven regional operating companies, for local telephone service o, o, o, o, o, o, o, o, o, o,
e. setup deregulation for internationaltelecommunications markets in 68countries o, o, o, o, o, o, o, o, o,
Answer: D o, Difficulty: Easy o, Reference: p. 6 o , o,