TEST BANK for Business Data Communications and Networking 6th Edition by FitzGerald, Dennis and Durcikova all chapters covered

Test Bank For
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Business Data Com h h




munications and Ne h h




tworking, 13th Editi h h




on by FitzGerald,De
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nnis, Durcikova
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, Chapter 1 h


Introduction to Data Communications
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True-False Questions
h

ThehfollowingharehpossiblehTrue/Falsehquestionshforhtests.hThehstatementhishgivenhandhthehanswerhis
hprovidedhinhsquarehbrackets.hThehlevelhofhdifficultyh(easy,hmoderate,hdifficult)handhthehpagehnumbe

r(s)hrelevanthtohthehtopicharehalsohfurnished.

1. AccordinghtohJohnhChambers,hCEOhofhCiscoh(ahleadinghnetworkinghtechnologyhcompany),h
thehinformationhagehishthehsecondhIndustrialhRevolution.

Answer:True Difficulty:hEasy Reference:h p.h4

2. Duehtohrecenthadvanceshinhhighhspeedhcommunicationhnetworks,hthehinformationhlag,horhtheht
imehithtakeshforhinformationhtohbehdisseminatedharoundhthehworld,hhashbeenhsignificantlyhsh
ortened.

Answer:True Difficulty:h Easy Reference:h p.4
3. Onehperspectivehofhdatahcommunicationshandhnetworkinghashstatedhinhthehtextbook,hexaminesh
thehmanagementhofhnetworkinghtechnologies,hincludinghsecurity,hnetworkhdesign,handhmanag
inghthehnetworkhonhahday-to-dayhbasishandhlonghtermhbasis.

Answer:True Difficulty:h Moderate Reference:h p.h5
4. ThehfirsthelectronichdatahcommunicationhsystemhwashthehtelephonehdevelopedhbyhAlexanderh
GrahamhBell.

Answer:False Difficulty:hEasy Reference:h p.h5
5. Thehfirsthtranscontinentalhtelephonehservicehwashestablishedhinhtheh1940s.

Answer:False Difficulty:hEasy Reference:h p.h6
6. AnhInter-
ExchangehCarrierh(IXC)hprovideshonlyhlocalhtelephonehserviceshtohhomeshandhbusinesse
s.

Answer:h False Difficulty:h Easy Reference:h p.h6
7. CommonhcarriershincludehthehRBOCs,hIXCs,handhCablehTVhcompanies.

Answer:True Difficulty:hModerate Reference:h p.h7
8. ThehTelecommunicationshActhofh1996hnowhpermitshthehRBOCshtohprovidehlonghdistanceh
outsidehthehregionhinhwhichhtheyhprovidehlocalhtelephonehservices.

Answer:hTrue Difficulty:hModerate Reference:h p.h7
9. ThehInternethwashstartedhbyhthehU.S.hDepartmenthofhdefensehinh1969hashahnetworkhofhfourh
computershcalledhARPANET.

Answer:hTrue Difficulty:h Moderate Reference:h p.h9
10. Telecommunicationshishthehtransmissionhofhvoicehandhvideohashwellhashdatahandhimpliesht
ransmittinghahlongerhdistancehthanhinhahdatahcommunicationhnetwork.

Answer:False Difficulty:hModerate Reference:h p.h11

,11. Ahlocalhareahnetworkh(LAN)hconnectshotherhLANshandhBNshlocatedhinhdifferenthareashtoheachh
otherhandhtohwidehareahnetworkshinhahspanhfromh3htoh30hmiles.

Answer:hFalse Difficulty:hModerate Reference:h p.h13
12. AnhintranethishahLANhthathuseshInternethtechnologieshandhishpubliclyhavailablehtohpeopleh
outsidehofhthehorganization.

Answer:hFalse Difficulty:hModerate Reference:h p.h15
13. Ahcarhmanufacturerhmayhgivehaccesshtohcertainhportionshofhitshnetworkhtohsomehofhitshsuppliersh
viahInternet.hThishishanhexamplehofhanhExtranet.

Answer:hTrue Difficulty:hModerate Reference:h p.h15
14. ThehOSIhmodelhishthehmosthwidelyhusedhnetworkhmodelhtohdevelophandhbuildhnetworkshtoday.

Answer:hTrue Difficulty:hModerate Reference:h p.h16
15. Thehnetworkhlayerhishresponsiblehforhroutinghmessageshfromhthehsourcehcomputerhtohtheh
destinationhcomputer.

Answer:hTrue Difficulty:hEasy Reference:h p.h17
16. InhthehOSIhmodel,hthehapplicationhlayerhishthehendhuser’shaccesshtohthehnetwork.

Answer:hTrue Difficulty:hModerate Reference:h p.h18
17. ThehapplicationhlayerhishthehseventhhlayerhofhthehInternethmodelhandhprovideshthehendhuser’sh
accesshtohthehnetwork.

Answer:hTrue Difficulty:hModerate Reference:h p.h18
18. AththehtransporthlayerhinhthehInternethmodel,hTCPhishresponsiblehforhbreakinghlargehfileshreceiv
edhfromhthehapplicationhlayerhintohsmallerhpacketshandhopeninghahconnectionhtohahserverhforhtra
nsferringhthehpackets.

Answer:hTrue Difficulty:hDifficult Reference:h p.h17
19. Ethernethishanhexamplehofhahnetworkhlayerhprotocol.

Answer:hFalse Difficulty:hEasy Reference:h p.h17
20. Datahcommunicationhstandardshenableheachhlayerhinhthehsendinghcomputerhtohcommunicateh
withhitshcorrespondinghlayerhinhthehreceivinghcomputer.

Answer:hTrue Difficulty:hEasy Reference:h p.h22
21. Thehspecificationhstagehofhthehformalhstandardizationhprocesshconsistshofhdevelopingh
nomenclaturehandhidentifyinghthehproblemshtohbehaddressed.

Answer:hTrue Difficulty:hModerate Reference:h p.h23
22. ANSIhishahvotinghparticipanthinhthehISO.

Answer:hTrue Difficulty:hEasy Reference:h p.h23
23. Passivehopticalhnetworking,hahkeyhtrendhforhthehfuture,hmeanshthathvirtuallyhanyhcomputerhwillh
behablehtohcommunicatehwithhanyhotherhcomputerhinhthehworld.

Answer:hFalse Difficulty:hModerate Reference:h p.h26

, 24. Thehhighhbandwidthhrequirementsh(highhcommunicationshneeds)hforhvideohhavehslowedhitsh
integrationhintohcomputerhnetworks.

Answer:hTrue Difficulty:hModerate Reference:h p.h28
25. AnhApplicationhServicehProviderh(ASP)hdevelopshahspecifichsystemhandhcompanieshpurchaseh
orhrenththehservicehwithouthinstallinghthehsystemhonhtheirhownhcomputers.

Answer:hTrue Difficulty:hModerate Reference:h p.h29




MULTIPLE CHOICE h




Thehfollowingharehpossiblehmultiple-
choicehquestionshforhtests.hThehquestionhishposedhandhthehanswerhishprovidedhunderhthehchoices.hThe
hlevelhofhdifficultyh(easy,hmoderate,hdifficult)handhthehpagehnumber(s)hrelevanthtohthehtopichishalsohf

urnished.

1. Datahcommunicationshandhnetworkinghcanhbehconsideredhashahglobalhareahofhstudyhbecause:

a. newh technologiesh andh applicationsh emergeh fromh ah varietyh ofh countriesh andh spreadh
aroundhthehworld
b. thehtechnologieshenablehglobalhcommunication
c. thehpoliticalhandhregulatoryhissuesharehexactlyhthehsamehinheveryhcountry
d. ahandhb
e. nonehofhthehabove

Answer:hD Difficulty:hEasy Reference:h p.h4
2. Inh1970,hahkeyhdecisionhregardinghMCI:
a. sethuphthehTelecommunicationshCompetitionhandhDeregulationhAct
b. permittedhMCIhtohprovidehlimitedhlonghdistancehservicehinhthehU.S.
c. permittedhtelephonehand/orhcomputerhequipmenththathwashnothmanufacturedhbyhBellhT
elephonehtohbehconnectedhtohAT&T’shnetwork
d. dividedhAT&Thintohtwohparts:honehparthforhlonghdistancehservice,handhahsecondhpart,hc
omprisedhofhsevenhoperatinghcompanies,hforhlocalhtelephonehservice
e. sethuphderegulationhforhinternationalhtelecommunicationshmarketshinh68hcountries

Answer:hB Difficulty:hEasy Reference:h h p.h6
3. Inh1984,hahfederalhjudgehbrokehuphahhighlyhcontestedhtelephonehservicehmonopolyhand:
a. sethuphthehTelecommunicationshCompetitionhandhDeregulationhAct
b. permittedhMCIhtohprovidehlimitedhlonghdistancehservicehinhthehU.S.
c. permittedhtelephonehand/orhcomputerhequipmenththathwashnothmanufacturedhbyhBe
llhTelephonehtohbehconnectedhtohAT&T’shnetwork
d. dividedhAT&Thintohtwohparts:honehparthforhlonghdistancehservice,handhahsecondhpar
t,hcomprisedhofhsevenhregionalhoperatinghcompanies,hforhlocalhtelephonehservice
e. sethuphderegulationhforhinternationalhtelecommunicationshmarketshinh68hcountries

Answer:hD Difficulty:hEasy Reference:h p.h6