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Exam (elaborations)

COMPUTER NETWORK CHAPTER 2 QUESTIONS WITH ANSWERS 2025

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COMPUTER NETWORK CHAPTER 2 QUESTIONS WITH ANSWERS 2025

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WGU D337
Course
WGU D337








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Institution
WGU D337
Course
WGU D337

Document information

Uploaded on
March 24, 2025
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • computer network chapter 2 questions with answers

Content preview

COMPUTER NETWORK CHAPTER 2
QUESTIONS WITH ANSWERS 2025
Foraaacommunicationasessionabetweenaaapairaofaprocesses,awhichaprocessaisatheaclientaan
dawhichaisatheaserver?A-acorrectaanswers-
theaprocessawhichainitiatesatheacommunicationaisatheaclient;atheaprocessathatawaitsatoabeaco
ntactedaisatheaserver.
Whataisameantabyaaahandshakingaprotocol?A-acorrectaanswers-
aaprotocolausesahandshakingaifatheatwoacommunicatingaentitiesafirstaexchangeacontrolapac
ketsabeforeasendingadataatoaeachaother.asmtpausesahandshakingaatatheaapplicationalayeraw
hereasahttpadoesanot.
Describeahowawebacachingacanareduceatheadelayainareceivingaaarequestedaobject.awillaweba
cachingareduceatheadelayaforaallaobjectsarequestedabyaaauseraoraforaonlyasomeaofatheaobject
s?Awhy?A-acorrectaanswers-
webacachingacanabringatheadesiredacontenta"closer"atoatheauser,aperhapsatoatheasamealanat
oawhichatheauser'sahostaisaconnected.awebacachingacanareduceatheadelayaforaallaobjects,aev
enaobjectsathataareanotacached,asinceacachingareducesatheatrafficaonalinks.
Inabittorrent,asupposeaaliceaprovidesachunksatoabobathroughoutaaa30-
secondainterval.awillabobanecessarilyareturnatheafavoraandaprovideachunksatoaaliceainatheasa
meainterval?Awhyaorawhyanot?A-acorrectaanswers-
itaisanotanecessaryathatabobawillaalsoaprovideachunksatoaalice.aaliceahasatoabeainatheatopa4ane
ighborsaofabobaforabobatoasendaoutachunksatoaher;athisamightanotaoccuraevenaifaaliceaprovide
sachunksatoabobathroughoutaaa30asecondainterval.
Whataisaanaoverlayanetwork?Adoesaitaincludearouters?Awhataareatheaedgesain
Theaoverlayanetwork?A-acorrectaanswers-
overlayanetworkaisaaalogicalanetworkathatarunsaonatopaofaanotheranetwork.A
No,aitadoesanotaincludearouters.A
Ifapeeraxamaintainsaaatcpaconnectionawithaanotherapeeray,athenaweasayathereaisaanaedgeabet
weenaxaanday.aanaedgeainaoverlayaisasimplyatheatcpaconnectionabetweenaaapeer.
Inasectiona2.7,atheaudpaserveradescribedaneededaonlyaoneasocket,awhereasathe
Tcpaserveraneededatwoasockets.awhy?Aifatheatcpaserverawereatoasupportan
Simultaneousaconnections,aeachafromaaadifferentaclientahost,ahowamanyasockets
Wouldatheatcpaserveraneed?A-acorrectaanswers-
withatheaudpaserver,athereaisanoawelcomingasocket,aandaalladataafromadifferentaclientsaenter
satheaserver
Throughathisaoneasocket.awithatheatcpaserver,athereaisaaawelcomingasocket,aandaeachatimea
aaclientainitiates
Aaconnectionatoatheaserver,aaanewasocketaisacreated.athus,atoasupportanasimultaneousaconn
ections,atheaserver
Wouldaneedana+A1Asockets.
Theatextabelowashowsatheareplyasentafromathea
Serverainaresponseatoatheahttpagetamessageainatheaquestionaabove.aanswerathea
Followingaquestions,aindicatingawhereainatheamessageabelowayouafindatheaanswer.
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