Business Data Communications and Networking,
14th Edition
,https://www.stuvia.c0m/
Chapter 1 ws
Introduction to Data communications
ws ws ws
True-FalsewsQuesti0ns
Thewsf0ll0wingwsarewsp0ssiblewsTrue/Falsewsquesti0nswsf0rwstests.wsThewsstatementwsiswsgive
nwsandwsthewsanswerwsiswspr0videdwsinwssquarewsbrackets.wsThewslevelws0fwsdifficultyws(easy,w
sm0derate,wsdifficult)wsandwsthewspagewsnumber(s)wsrelevantwst0wsthewst0picwsarewsals0wsfurni
shed.
1. Acc0rdingwst0wsJ0hnwsChambers,wsCEOws0fwsCisc0ws(awsleadingwsnetw0rkingwste
chn0l0gywsc0mpany),wsthewsinf0rmati0nwsagewsiswsthewssec0ndwsIndustrialwsRev
0luti0n.
Answer:True Difficulty:wsEasy Reference:w s p.ws4
2. Duewst0wsrecentwsadvanceswsinwshighwsspeedwsc0mmunicati0nwsnetw0rks,wsthewsin
f0rmati0nwslag,ws0rwsthewstimewsitwstakeswsf0rwsinf0rmati0nwst0wsbewsdisseminatedws
ar0undwsthewsw0rld,wshaswsbeenwssignificantlywssh0rtened.
Answer:True Difficulty:ws Easy Reference:w s p.4
3. 0newsperspectivews0fwsdatawsc0mmunicati0nswsandwsnetw0rkingwsaswsstatedwsinwsthew
stextb00k,wsexamineswsthewsmanagementws0fwsnetw0rkingwstechn0l0gies,wsincludingws
security,wsnetw0rkwsdesign,wsandwsmanagingwsthewsnetw0rkws0nwsawsday-t0-
daywsbasiswsandwsl0ngwstermwsbasis.
Answer:True Difficulty:ws M0derate Reference:w s p.ws5
4. Thewsfirstwselectr0nicwsdatawsc0mmunicati0nwssystemwswaswsthewsteleph0newsdevel
0pedwsbywsAlexanderwsGrahamwsBell.
Answer:False Difficulty:wsEasy Reference:w s p.ws5
5. Thewsfirstwstransc0ntinentalwsteleph0newsservicewswaswsestablishedwsinwsthews1940s.
Answer:False Difficulty:wsEasy Reference:w s p.ws6
6. AnwsInter-
ExchangewsCarrierws(IXC)wspr0videsws0nlywsl0calwsteleph0newsserviceswst0ws
h0meswsandwsbusinesses.
Answer:ws False Difficulty:ws Easy Reference:w s p.ws6
7. C0mm0nwscarrierswsincludewsthewsRB0Cs,wsIXCs,wsandwsCablewsTVwsc0mpanies.
Answer:True Difficulty:wsM0derate Reference:w s p.ws7
8. ThewsTelec0mmunicati0nswsActws0fws1996wsn0wwspermitswsthewsRB0Cswst0wspr0
videwsl0ngwsdistancews0utsidewsthewsregi0nwsinwswhichwstheywspr0videwsl0calwst
eleph0newsservices.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws7
9. ThewsInternetwswaswsstartedwsbywsthewsU.S.wsDepartmentws0fwsdefensewsinws
1969wsaswsawsnetw0rkws0fwsf0urwsc0mputerswscalledwsARPANET.
Answer:wsTrue Difficulty:ws M0derate Reference:w s p.ws9
10. Telec0mmunicati0nswsiswsthewstransmissi0nws0fwsv0icewsandwsvide0wsaswswellwsasw
sdatawsandwsimplieswstransmittingwsawsl0ngerwsdistancewsthanwsinwsawsdatawsc0m
municati0nwsnetw0rk.
,https://www.stuvia.c0m/
Answer:False Difficulty:wsM0derate Reference:w s p.ws11
,https://www.stuvia.c0m/
11. Awsl0calwsareawsnetw0rkws(LAN)wsc0nnectsws0therwsLANswsandwsBNswsl0catedwsinwsdiffe
rentwsareaswst0wseachws0therwsandwst0wswidewsareawsnetw0rkswsinwsawsspanwsfr0mws3wst
0ws30wsmiles.
Answer:wsFalse Difficulty:wsM0derate Reference:w s p.ws13
12. AnwsintranetwsiswsawsLANwsthatwsuseswsInternetwstechn0l0gieswsandwsiswspubliclywsa
vailablewst0wspe0plews0utsidews0fwsthews0rganizati0n.
Answer:wsFalse Difficulty:wsM0derate Reference:w s p.ws15
13. Awscarwsmanufacturerwsmaywsgivewsaccesswst0wscertainwsp0rti0nsws0fwsitswsnetw0rkwst0
wss0mews0fwsitswssupplierswsviawsInternet.wsThiswsiswsanwsexamplews0fwsanwsExtranet.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws15
14. Thews0SIwsm0delwsiswsthewsm0stwswidelywsusedwsnetw0rkwsm0delwst0wsdevel0pwsandwsbuildwsnetw0rk
swst0day.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws16
15. Thewsnetw0rkwslayerwsiswsresp0nsiblewsf0rwsr0utingwsmessageswsfr0mwsth
ewss0urcewsc0mputerwst0wsthewsdestinati0nwsc0mputer.
Answer:wsTrue Difficulty:wsEasy Reference:w s p.ws17
16. InwsthewsOSIwsm0del,wsthewsapplicati0nwslayerwsiswsthewsendwsuser‟swsaccesswst0wsthewsnetw0rk.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws18
17. Thewsapplicati0nwslayerwsiswsthewsseventhwslayerws0fwsthewsInternetwsm0delwsandwspr
0videswsthewsendwsuser‟swsaccesswst0wsthewsnetw0rk.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws18
18. Atwsthewstransp0rtwslayerwsinwsthewsInternetwsm0del,wsTCPwsiswsresp0nsiblewsf0rwsbre
akingwslargewsfileswsreceivedwsfr0mwsthewsapplicati0nwslayerwsint0wssmallerwspackets
wsandws0peningwsawsc0nnecti0nwst0wsawsserverwsf0rwstransferringwsthewspackets.
Answer:wsTrue Difficulty:wsDifficult Reference:w s p.ws17
19. Ethernetwsiswsanwsexamplews0fwsawsnetw0rkwslayerwspr0t0c0l.
Answer:wsFalse Difficulty:wsEasy Reference:w s p.ws17
20. Datawsc0mmunicati0nwsstandardswsenablewseachwslayerwsinwsthewssendingwsc0m
puterwst0wsc0mmunicatewswithwsitswsc0rresp0ndingwslayerwsinwsthewsreceivingwsc
0mputer.
Answer:wsTrue Difficulty:wsEasy Reference:w s p.ws22
21. Thewsspecificati0nwsstagews0fwsthewsf0rmalwsstandardizati0nwspr0cesswsc0n
sistsws0fwsdevel0pingwsn0menclaturewsandwsidentifyingwsthewspr0blemswst0
wsbewsaddressed.
Answer:wsTrue Difficulty:wsM0derate Reference:w s p.ws23
22. ANSIwsiswsawsv0tingwsparticipantwsinwsthewsIS0.
Answer:wsTrue Difficulty:wsEasy Reference:w s p.ws23
23. Passivews0pticalwsnetw0rking,wsawskeywstrendwsf0rwsthewsfuture,wsmeanswsthatwsvir
tuallywsanywsc0mputerwswillwsbewsablewst0wsc0mmunicatewswithwsanyws0therwsc0m
puterwsinwsthewsw0rld.
Answer:wsFalse Difficulty:wsM0derate Reference:ws p.ws26