Test Bank For
g g
Business Data Com g g
munications and Ne g g
tworking, 13th Editi g g
on by FitzGerald,De
g g g
nnis, Durcikova
g
, Chapter 1 g
Introduction to Data Communications
g g g
True-False Questions
g
ThegfollowinggaregpossiblegTrue/Falsegquestionsgforgtests.gThegstatementgisggivengandgtheganswergis
gprovidedgingsquaregbrackets.gTheglevelgofgdifficultyg(easy,gmoderate,gdifficult)gandgthegpagegnumbe
r(s)grelevantgtogthegtopicgaregalsogfurnished.
1. AccordinggtogJohngChambers,gCEOgofgCiscog(agleadinggnetworkinggtechnologygcompany),g
theginformationgagegisgthegsecondgIndustrialgRevolution.
Answer:True Difficulty:gEasy Reference:g p.g4
2. Duegtogrecentgadvancesginghighgspeedgcommunicationgnetworks,gtheginformationglag,gorgthegt
imegitgtakesgforginformationgtogbegdisseminatedgaroundgthegworld,ghasgbeengsignificantlygsh
ortened.
Answer:True Difficulty:g Easy Reference:g p.4
3. Onegperspectivegofgdatagcommunicationsgandgnetworkinggasgstatedgingthegtextbook,gexaminesg
thegmanagementgofgnetworkinggtechnologies,gincludinggsecurity,gnetworkgdesign,gandgmanag
inggthegnetworkgongagday-to-daygbasisgandglonggtermgbasis.
Answer:True Difficulty:g Moderate Reference:g p.g5
4. ThegfirstgelectronicgdatagcommunicationgsystemgwasgthegtelephonegdevelopedgbygAlexanderg
GrahamgBell.
Answer:False Difficulty:gEasy Reference:g p.g5
5. Thegfirstgtranscontinentalgtelephonegservicegwasgestablishedgingtheg1940s.
Answer:False Difficulty:gEasy Reference:g p.g6
6. AngInter-
ExchangegCarrierg(IXC)gprovidesgonlyglocalgtelephonegservicesgtoghomesgandgbusinesse
s.
Answer:gFalse Difficulty:g Easy Reference:g p.g6
7. CommongcarriersgincludegthegRBOCs,gIXCs,gandgCablegTVgcompanies.
Answer:True Difficulty:gModerate Reference:g p.g7
8. ThegTelecommunicationsgActgofg1996gnowgpermitsgthegRBOCsgtogprovideglonggdistanceg
outsidegthegregiongingwhichgtheygprovideglocalgtelephonegservices.
Answer:gTrue Difficulty:gModerate Reference:g p.g7
9. ThegInternetgwasgstartedgbygthegU.S.gDepartmentgofgdefenseging1969gasgagnetworkgofgfourg
computersgcalledgARPANET.
Answer:gTrue Difficulty:g Moderate Reference:g p.g9
10. Telecommunicationsgisgthegtransmissiongofgvoicegandgvideogasgwellgasgdatagandgimpliesgt
ransmittinggaglongergdistancegthangingagdatagcommunicationgnetwork.
Answer:False Difficulty:gModerate Reference:g p.g11
,11. Aglocalgareagnetworkg(LAN)gconnectsgothergLANsgandgBNsglocatedgingdifferentgareasgtogeachg
othergandgtogwidegareagnetworksgingagspangfromg3gtog30gmiles.
Answer:gFalse Difficulty:gModerate Reference:g p.g13
12. AngintranetgisgagLANgthatgusesgInternetgtechnologiesgandgisgpubliclygavailablegtogpeopleg
outsidegofgthegorganization.
Answer:gFalse Difficulty:gModerate Reference:g p.g15
13. Agcargmanufacturergmayggivegaccessgtogcertaingportionsgofgitsgnetworkgtogsomegofgitsgsuppliersg
viagInternet.gThisgisgangexamplegofgangExtranet.
Answer:gTrue Difficulty:gModerate Reference:g p.g15
14. ThegOSIgmodelgisgthegmostgwidelygusedgnetworkgmodelgtogdevelopgandgbuildgnetworksgtoday.
Answer:gTrue Difficulty:gModerate Reference:g p.g16
15. Thegnetworkglayergisgresponsiblegforgroutinggmessagesgfromgthegsourcegcomputergtogtheg
destinationgcomputer.
Answer:gTrue Difficulty:gEasy Reference:g p.g17
16. IngthegOSIgmodel,gthegapplicationglayergisgthegendguser’sgaccessgtogthegnetwork.
Answer:gTrue Difficulty:gModerate Reference:g p.g18
17. ThegapplicationglayergisgthegseventhglayergofgthegInternetgmodelgandgprovidesgthegendguser’sg
accessgtogthegnetwork.
Answer:gTrue Difficulty:gModerate Reference:g p.g18
18. AtgthegtransportglayergingthegInternetgmodel,gTCPgisgresponsiblegforgbreakingglargegfilesgreceiv
edgfromgthegapplicationglayergintogsmallergpacketsgandgopeninggagconnectiongtogagservergforgtra
nsferringgthegpackets.
Answer:gTrue Difficulty:gDifficult Reference:g p.g17
19. Ethernetgisgangexamplegofgagnetworkglayergprotocol.
Answer:gFalse Difficulty:gEasy Reference:g p.g17
20. Datagcommunicationgstandardsgenablegeachglayergingthegsendinggcomputergtogcommunicateg
withgitsgcorrespondingglayergingthegreceivinggcomputer.
Answer:gTrue Difficulty:gEasy Reference:g p.g22
21. Thegspecificationgstagegofgthegformalgstandardizationgprocessgconsistsgofgdevelopingg
nomenclaturegandgidentifyinggthegproblemsgtogbegaddressed.
Answer:gTrue Difficulty:gModerate Reference:g p.g23
22. ANSIgisgagvotinggparticipantgingthegISO.
Answer:gTrue Difficulty:gEasy Reference:g p.g23
23. Passivegopticalgnetworking,gagkeygtrendgforgthegfuture,gmeansgthatgvirtuallyganygcomputergwillg
begablegtogcommunicategwithganygothergcomputergingthegworld.
Answer:gFalse Difficulty:gModerate Reference:g p.g26
, 24. Theghighgbandwidthgrequirementsg(highgcommunicationsgneeds)gforgvideoghavegslowedgitsg
integrationgintogcomputergnetworks.
Answer:gTrue Difficulty:gModerate Reference:g p.g28
25. AngApplicationgServicegProviderg(ASP)gdevelopsgagspecificgsystemgandgcompaniesgpurchaseg
orgrentgthegservicegwithoutginstallinggthegsystemgongtheirgowngcomputers.
Answer:gTrue Difficulty:gModerate Reference:g p.g29
MULTIPLE CHOICE g
Thegfollowinggaregpossiblegmultiple-
choicegquestionsgforgtests.gThegquestiongisgposedgandgtheganswergisgprovidedgundergthegchoices.gThe
glevelgofgdifficultyg(easy,gmoderate,gdifficult)gandgthegpagegnumber(s)grelevantgtogthegtopicgisgalsogf
urnished.
1. Datagcommunicationsgandgnetworkinggcangbegconsideredgasgagglobalgareagofgstudygbecause:
a. newg technologiesg andg applicationsg emergeg fromg ag varietyg ofg countriesg andg spreadg
aroundgthegworld
b. thegtechnologiesgenablegglobalgcommunication
c. thegpoliticalgandgregulatorygissuesgaregexactlygthegsamegingeverygcountry
d. agandgb
e. nonegofgthegabove
Answer:gD Difficulty:gEasy Reference:g p.g4
2. Ing1970,gagkeygdecisiongregardinggMCI:
a. setgupgthegTelecommunicationsgCompetitiongandgDeregulationgAct
b. permittedgMCIgtogprovideglimitedglonggdistancegservicegingthegU.S.
c. permittedgtelephonegand/orgcomputergequipmentgthatgwasgnotgmanufacturedgbygBellgT
elephonegtogbegconnectedgtogAT&T’sgnetwork
d. dividedgAT&Tgintogtwogparts:gonegpartgforglonggdistancegservice,gandgagsecondgpart,gc
omprisedgofgsevengoperatinggcompanies,gforglocalgtelephonegservice
e. setgupgderegulationgforginternationalgtelecommunicationsgmarketsging68gcountries
Answer:gB Difficulty:gEasy Reference:g g p.g6
3. Ing1984,gagfederalgjudgegbrokegupgaghighlygcontestedgtelephonegservicegmonopolygand:
a. setgupgthegTelecommunicationsgCompetitiongandgDeregulationgAct
b. permittedgMCIgtogprovideglimitedglonggdistancegservicegingthegU.S.
c. permittedgtelephonegand/orgcomputergequipmentgthatgwasgnotgmanufacturedgbygBe
llgTelephonegtogbegconnectedgtogAT&T’sgnetwork
d. dividedgAT&Tgintogtwogparts:gonegpartgforglonggdistancegservice,gandgagsecondgpar
t,gcomprisedgofgsevengregionalgoperatinggcompanies,gforglocalgtelephonegservice
e. setgupgderegulationgforginternationalgtelecommunicationsgmarketsging68gcountries
Answer:gD Difficulty:gEasy Reference:g p.g6
g g
Business Data Com g g
munications and Ne g g
tworking, 13th Editi g g
on by FitzGerald,De
g g g
nnis, Durcikova
g
, Chapter 1 g
Introduction to Data Communications
g g g
True-False Questions
g
ThegfollowinggaregpossiblegTrue/Falsegquestionsgforgtests.gThegstatementgisggivengandgtheganswergis
gprovidedgingsquaregbrackets.gTheglevelgofgdifficultyg(easy,gmoderate,gdifficult)gandgthegpagegnumbe
r(s)grelevantgtogthegtopicgaregalsogfurnished.
1. AccordinggtogJohngChambers,gCEOgofgCiscog(agleadinggnetworkinggtechnologygcompany),g
theginformationgagegisgthegsecondgIndustrialgRevolution.
Answer:True Difficulty:gEasy Reference:g p.g4
2. Duegtogrecentgadvancesginghighgspeedgcommunicationgnetworks,gtheginformationglag,gorgthegt
imegitgtakesgforginformationgtogbegdisseminatedgaroundgthegworld,ghasgbeengsignificantlygsh
ortened.
Answer:True Difficulty:g Easy Reference:g p.4
3. Onegperspectivegofgdatagcommunicationsgandgnetworkinggasgstatedgingthegtextbook,gexaminesg
thegmanagementgofgnetworkinggtechnologies,gincludinggsecurity,gnetworkgdesign,gandgmanag
inggthegnetworkgongagday-to-daygbasisgandglonggtermgbasis.
Answer:True Difficulty:g Moderate Reference:g p.g5
4. ThegfirstgelectronicgdatagcommunicationgsystemgwasgthegtelephonegdevelopedgbygAlexanderg
GrahamgBell.
Answer:False Difficulty:gEasy Reference:g p.g5
5. Thegfirstgtranscontinentalgtelephonegservicegwasgestablishedgingtheg1940s.
Answer:False Difficulty:gEasy Reference:g p.g6
6. AngInter-
ExchangegCarrierg(IXC)gprovidesgonlyglocalgtelephonegservicesgtoghomesgandgbusinesse
s.
Answer:gFalse Difficulty:g Easy Reference:g p.g6
7. CommongcarriersgincludegthegRBOCs,gIXCs,gandgCablegTVgcompanies.
Answer:True Difficulty:gModerate Reference:g p.g7
8. ThegTelecommunicationsgActgofg1996gnowgpermitsgthegRBOCsgtogprovideglonggdistanceg
outsidegthegregiongingwhichgtheygprovideglocalgtelephonegservices.
Answer:gTrue Difficulty:gModerate Reference:g p.g7
9. ThegInternetgwasgstartedgbygthegU.S.gDepartmentgofgdefenseging1969gasgagnetworkgofgfourg
computersgcalledgARPANET.
Answer:gTrue Difficulty:g Moderate Reference:g p.g9
10. Telecommunicationsgisgthegtransmissiongofgvoicegandgvideogasgwellgasgdatagandgimpliesgt
ransmittinggaglongergdistancegthangingagdatagcommunicationgnetwork.
Answer:False Difficulty:gModerate Reference:g p.g11
,11. Aglocalgareagnetworkg(LAN)gconnectsgothergLANsgandgBNsglocatedgingdifferentgareasgtogeachg
othergandgtogwidegareagnetworksgingagspangfromg3gtog30gmiles.
Answer:gFalse Difficulty:gModerate Reference:g p.g13
12. AngintranetgisgagLANgthatgusesgInternetgtechnologiesgandgisgpubliclygavailablegtogpeopleg
outsidegofgthegorganization.
Answer:gFalse Difficulty:gModerate Reference:g p.g15
13. Agcargmanufacturergmayggivegaccessgtogcertaingportionsgofgitsgnetworkgtogsomegofgitsgsuppliersg
viagInternet.gThisgisgangexamplegofgangExtranet.
Answer:gTrue Difficulty:gModerate Reference:g p.g15
14. ThegOSIgmodelgisgthegmostgwidelygusedgnetworkgmodelgtogdevelopgandgbuildgnetworksgtoday.
Answer:gTrue Difficulty:gModerate Reference:g p.g16
15. Thegnetworkglayergisgresponsiblegforgroutinggmessagesgfromgthegsourcegcomputergtogtheg
destinationgcomputer.
Answer:gTrue Difficulty:gEasy Reference:g p.g17
16. IngthegOSIgmodel,gthegapplicationglayergisgthegendguser’sgaccessgtogthegnetwork.
Answer:gTrue Difficulty:gModerate Reference:g p.g18
17. ThegapplicationglayergisgthegseventhglayergofgthegInternetgmodelgandgprovidesgthegendguser’sg
accessgtogthegnetwork.
Answer:gTrue Difficulty:gModerate Reference:g p.g18
18. AtgthegtransportglayergingthegInternetgmodel,gTCPgisgresponsiblegforgbreakingglargegfilesgreceiv
edgfromgthegapplicationglayergintogsmallergpacketsgandgopeninggagconnectiongtogagservergforgtra
nsferringgthegpackets.
Answer:gTrue Difficulty:gDifficult Reference:g p.g17
19. Ethernetgisgangexamplegofgagnetworkglayergprotocol.
Answer:gFalse Difficulty:gEasy Reference:g p.g17
20. Datagcommunicationgstandardsgenablegeachglayergingthegsendinggcomputergtogcommunicateg
withgitsgcorrespondingglayergingthegreceivinggcomputer.
Answer:gTrue Difficulty:gEasy Reference:g p.g22
21. Thegspecificationgstagegofgthegformalgstandardizationgprocessgconsistsgofgdevelopingg
nomenclaturegandgidentifyinggthegproblemsgtogbegaddressed.
Answer:gTrue Difficulty:gModerate Reference:g p.g23
22. ANSIgisgagvotinggparticipantgingthegISO.
Answer:gTrue Difficulty:gEasy Reference:g p.g23
23. Passivegopticalgnetworking,gagkeygtrendgforgthegfuture,gmeansgthatgvirtuallyganygcomputergwillg
begablegtogcommunicategwithganygothergcomputergingthegworld.
Answer:gFalse Difficulty:gModerate Reference:g p.g26
, 24. Theghighgbandwidthgrequirementsg(highgcommunicationsgneeds)gforgvideoghavegslowedgitsg
integrationgintogcomputergnetworks.
Answer:gTrue Difficulty:gModerate Reference:g p.g28
25. AngApplicationgServicegProviderg(ASP)gdevelopsgagspecificgsystemgandgcompaniesgpurchaseg
orgrentgthegservicegwithoutginstallinggthegsystemgongtheirgowngcomputers.
Answer:gTrue Difficulty:gModerate Reference:g p.g29
MULTIPLE CHOICE g
Thegfollowinggaregpossiblegmultiple-
choicegquestionsgforgtests.gThegquestiongisgposedgandgtheganswergisgprovidedgundergthegchoices.gThe
glevelgofgdifficultyg(easy,gmoderate,gdifficult)gandgthegpagegnumber(s)grelevantgtogthegtopicgisgalsogf
urnished.
1. Datagcommunicationsgandgnetworkinggcangbegconsideredgasgagglobalgareagofgstudygbecause:
a. newg technologiesg andg applicationsg emergeg fromg ag varietyg ofg countriesg andg spreadg
aroundgthegworld
b. thegtechnologiesgenablegglobalgcommunication
c. thegpoliticalgandgregulatorygissuesgaregexactlygthegsamegingeverygcountry
d. agandgb
e. nonegofgthegabove
Answer:gD Difficulty:gEasy Reference:g p.g4
2. Ing1970,gagkeygdecisiongregardinggMCI:
a. setgupgthegTelecommunicationsgCompetitiongandgDeregulationgAct
b. permittedgMCIgtogprovideglimitedglonggdistancegservicegingthegU.S.
c. permittedgtelephonegand/orgcomputergequipmentgthatgwasgnotgmanufacturedgbygBellgT
elephonegtogbegconnectedgtogAT&T’sgnetwork
d. dividedgAT&Tgintogtwogparts:gonegpartgforglonggdistancegservice,gandgagsecondgpart,gc
omprisedgofgsevengoperatinggcompanies,gforglocalgtelephonegservice
e. setgupgderegulationgforginternationalgtelecommunicationsgmarketsging68gcountries
Answer:gB Difficulty:gEasy Reference:g g p.g6
3. Ing1984,gagfederalgjudgegbrokegupgaghighlygcontestedgtelephonegservicegmonopolygand:
a. setgupgthegTelecommunicationsgCompetitiongandgDeregulationgAct
b. permittedgMCIgtogprovideglimitedglonggdistancegservicegingthegU.S.
c. permittedgtelephonegand/orgcomputergequipmentgthatgwasgnotgmanufacturedgbygBe
llgTelephonegtogbegconnectedgtogAT&T’sgnetwork
d. dividedgAT&Tgintogtwogparts:gonegpartgforglonggdistancegservice,gandgagsecondgpar
t,gcomprisedgofgsevengregionalgoperatinggcompanies,gforglocalgtelephonegservice
e. setgupgderegulationgforginternationalgtelecommunicationsgmarketsging68gcountries
Answer:gD Difficulty:gEasy Reference:g p.g6
