Test bank for business data communications and networking 13th edition by fitzgerald dennis durcikova

Test Bank For
H H




Business Data Com H H




munications and N H H




etworking, 13th Edi H H




tion by FitzGerald,
H H H




Dennis,DurcikovaH

, Chapter 1 H


Introduction to Data Communications
H H H




True-False Questions
H

TheHfollowingHareHpossibleHTrue/FalseHquestionsHforHtests.HTheHstatementH isHgivenHandHtheHans
werHisHprovidedHinHsquareHbrackets.HTheHlevelHofHdifficultyH(easy,Hmoderate,Hdifficult)HandHtheHpa
geHnumber(s)HrelevantHtoHtheHtopicHareHalsoHfurnished.

1. AccordingHtoHJohnHChambers,HCEOHofHCiscoH(aHleadingHnetworkingHtechnologyHcompan
y),HtheHinformationHageHisHtheHsecondHIndustrialHRevolution.

Answer:True Difficulty:HEasy Reference:H p.H4

2. DueHtoHrecentHadvancesHinHhighHspeedHcommunicationHnetworks,HtheHinformationHlag,HorHt
heHtimeHitHtakesHforHinformationHtoHbeHdisseminatedHaroundHtheHworld,HhasHbeenHsignifica
ntlyHshortened.

Answer:True Difficulty:H Easy Reference:H p.4
3. OneHperspectiveHofHdataHcommunicationsHandHnetworkingHasHstatedHinHtheHtextbook,Hexamin
esHtheHmanagementHofHnetworkingHtechnologies,HincludingHsecurity,HnetworkHdesign,HandHm
anagingHtheHnetworkHonHaHday-to-dayHbasisHandHlongHtermHbasis.

Answer:True Difficulty:H Moderate Reference:H p.H5
4. TheHfirstHelectronicHdataHcommunicationHsystemHwasHtheHtelephoneHdevelopedHbyHAlexand
erHGrahamHBell.

Answer:False Difficulty:HEasy Reference:H p.H5
5. TheHfirstHtranscontinentalHtelephoneHserviceHwasHestablishedHinHtheH1940s.

Answer:False Difficulty:HEasy Reference:H p.H6
6. AnHInter-
ExchangeHCarrierH(IXC)HprovidesHonlyHlocalHtelephoneHservicesHtoHhomesHandHbusine
sses.

Answer:HFalse Difficulty:H Easy Reference:H p.H6
7. CommonHcarriersHincludeHtheHRBOCs,HIXCs,HandHCableHTVHcompanies.

Answer:True Difficulty:HModerate Reference:H p.H7
8. TheHTelecommunicationsHActHofH1996HnowHpermitsHtheHRBOCsHtoHprovideHlongHdistan
ceHoutsideHtheHregionHinHwhichHtheyHprovideHlocalHtelephoneHservices.

Answer:HTrue Difficulty:HModerate Reference:H p.H7
9. TheHInternetHwasHstartedHbyHtheHU.S.HDepartmentHofHdefenseHinH1969HasHaHnetworkHofHf
ourHcomputersHcalledHARPANET.

Answer:HTrue Difficulty:H Moderate Reference:H p.H9
10. TelecommunicationsHisHtheHtransmissionHofHvoiceHandHvideoHasHwellHasHdataHandHimpl
iesHtransmittingHaHlongerHdistanceHthanHinHaHdataHcommunicationHnetwork.

Answer:False Difficulty:HModerate Reference:H p.H11

,11. AHlocalHareaHnetworkH(LAN)HconnectsHotherHLANsHandHBNsHlocatedHinHdifferentHareasHtoHe
achHotherHandHtoHwideHareaHnetworksHinHaHspanHfromH3HtoH30Hmiles.

Answer:HFalse Difficulty:HModerate Reference:H p.H13
12. AnHintranetHisHaHLANHthatHusesHInternetHtechnologiesHandHisHpubliclyHavailableHtoHpeo
pleHoutsideHofHtheHorganization.

Answer:HFalse Difficulty:HModerate Reference:H p.H15
13. AHcarHmanufacturerHmayHgiveHaccessHtoHcertainHportionsHofHitsHnetworkHtoHsomeHofHitsHsuppli
ersHviaHInternet.HThisHisHanHexampleHofHanHExtranet.

Answer:HTrue Difficulty:HModerate Reference:H p.H15
14. TheHOSIHmodelHisHtheHmostHwidelyHusedHnetworkHmodelHtoHdevelopHandHbuildHnetworksHtoday.

Answer:HTrue Difficulty:HModerate Reference:H p.H16
15. TheHnetworkHlayerHisHresponsibleHforHroutingHmessagesHfromHtheHsourceHcomputerHtoHt
heHdestinationHcomputer.

Answer:HTrue Difficulty:HEasy Reference:H p.H17
16. InHtheHOSIHmodel,HtheHapplicationHlayerHisHtheHendHuser’sHaccessHtoHtheHnetwork.

Answer:HTrue Difficulty:HModerate Reference:H p.H18
17. TheHapplicationHlayerHisHtheHseventhHlayerHofHtheHInternetHmodelHandHprovidesHtheHendHuse
r’sHaccessHtoHtheHnetwork.

Answer:HTrue Difficulty:HModerate Reference:H p.H18
18. AtHtheHtransportHlayerHinHtheHInternetHmodel,HTCPHisHresponsibleHforHbreakingHlargeHfilesHre
ceivedHfromHtheHapplicationHlayerHintoHsmallerHpacketsHandHopeningHaHconnectionHtoHaHserve
rHforHtransferringHtheHpackets.

Answer:HTrue Difficulty:HDifficult Reference:H p.H17
19. EthernetHisHanHexampleHofHaHnetworkHlayerHprotocol.

Answer:HFalse Difficulty:HEasy Reference:H p.H17
20. DataHcommunicationHstandardsHenableHeachHlayerHinHtheHsendingHcomputerHtoHcommunica
teHwithHitsHcorrespondingHlayerHinHtheHreceivingHcomputer.

Answer:HTrue Difficulty:HEasy Reference:H p.H22
21. TheHspecificationHstageHofHtheHformalHstandardizationHprocessHconsistsHofHdevelopi
ngHnomenclatureHandHidentifyingHtheHproblemsHtoHbeHaddressed.

Answer:HTrue Difficulty:HModerate Reference:H p.H23
22. ANSIHisHaHvotingHparticipantHinHtheHISO.

Answer:HTrue Difficulty:HEasy Reference:H p.H23
23. PassiveHopticalHnetworking,HaHkeyHtrendHforHtheHfuture,HmeansHthatHvirtuallyHanyHcomputerH
willHbeHableHtoHcommunicateHwithHanyHotherHcomputerHinHtheHworld.

Answer:HFalse Difficulty:HModerate Reference:H p.H2
6

, 24. TheHhighHbandwidthHrequirementsH(highHcommunicationsHneeds)HforHvideoHhaveHslowedH
itsHintegrationHintoHcomputerHnetworks.

Answer:HTrue Difficulty:HModerate Reference:H p.H28
25. AnHApplicationHServiceHProviderH(ASP)HdevelopsHaHspecificHsystemHandHcompaniesHpurcha
seHorHrentHtheHserviceHwithoutHinstallingHtheHsystemHonHtheirHownHcomputers.

Answer:HTrue Difficulty:HModerate Reference:H p.H29




MULTIPLE CHOICE H




TheHfollowingHareHpossibleHmultiple-
choiceHquestionsHforHtests.HTheHquestionHisHposedHandHtheHanswerHisHprovidedHunderHtheHchoices.
HTheHlevelHofHdifficultyH(easy, Hmoderate,Hdifficult)HandHthe HpageHnumber(s)HrelevantHtoHtheHtopicH

isHalsoHfurnished.

1. DataHcommunicationsHandHnetworkingHcanHbeHconsideredHasHaHglobalHareaHofHstudyHbecause:

a. newH technologiesH andH applicationsH emergeH fromH aH varietyH ofH countriesH andH spre
adHaroundHtheHworld
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. permittedH telephoneH and/orH computerH equipmentH thatH wasH notH manufacturedH byH B
ellHTelephoneHtoHbeHconnectedHtoHAT&T’sHnetwork
d. dividedHAT&THintoH twoH parts:H oneH partH forH longH distanceH service,H andH aH secondH p
art,HcomprisedHofHsevenHoperatingHcompanies,HforHlocalHtelephoneHservice
e. setHupHderegulationHforHinternationalHtelecommunicationsHmarketsHinH68Hcountries

Answer:HB Difficulty:HEasy Reference:HHp.H6
3. InH1984,HaHfederalHjudgeHbrokeHupHaHhighlyHcontestedHtelephoneHserviceHmonopolyHand:
a. setHupHtheHTelecommunicationsHCompetitionHandHDeregulationHAct
b. permittedHMCIHtoHprovideHlimitedHlongHdistanceHserviceHinHtheHU.S.
c. permittedHtelephoneHand/orHcomputerHequipmentHthatHwasHnotHmanufacturedHbyH
BellHTelephoneHtoHbeHconnectedHtoHAT&T’sHnetwork
d. dividedHAT&THintoHtwoHparts:HoneHpartHforHlongHdistanceHservice,HandHaHsecond
Hpart,HcomprisedHof HsevenHregionalHoperatingHcompanies,HforHlocalHtelephoneHser

vice
e. setHupHderegulationHforHinternationalHtelecommunicationsHmarketsHinH68Hcountries
Answer:H Difficulty:HEasy Reference:H p.H
D 6