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1、ComputerNetworking:ATop-DownApproach,th6EditionSolutionstoReviewQuestionsandProblemsVersionDate:May2012Thisdocumentcontainsthesolutionstoreviewquestionsandproblemsforthe5theditionofComputerNetworking:ATop-DownApproachbyJimKuroseandKeithRoss.Thesesolutionsarebeingmadeavailabletoins
2、tructorsONLY.PleasedoNOTcopyordistributethisdocumenttoothers(evenotherinstructors).Pleasedonotpostanysolutionsonapublicly-availableWebsite.We’llbehappytoprovideacopy(up-to-date)ofthissolutionmanualourselvestoanyonewhoasks.Acknowledgments:Overtheyears,severalstudentsandcolleaguesha
3、vehelpeduspreparethissolutionsmanual.SpecialthanksgoestoHongGangZhang,RakeshKumar,PrithulaDhungel,andVijayAnnapureddy.Alsothankstoallthereaderswhohavemadesuggestionsandcorrectederrors.Allmaterial©copyright1996-2012byJ.F.KuroseandK.W.Ross.AllrightsreservedChapter1ReviewQuestions1.T
4、hereisnodifference.Throughoutthistext,thewords“host”and“endsystem”areusedinterchangeably.EndsystemsincludePCs,workstations,Webservers,mailservers,PDAs,Internet-connectedgameconsoles,etc.2.FromWikipedia:Diplomaticprotocoliscommonlydescribedasasetofinternationalcourtesyrules.Thesewe
5、ll-establishedandtime-honoredruleshavemadeiteasierfornationsandpeopletoliveandworktogether.Partofprotocolhasalwaysbeentheacknowledgmentofthehierarchicalstandingofallpresent.Protocolrulesarebasedontheprinciplesofcivility.3.Standardsareimportantforprotocolssothatpeoplecancreatenetwo
6、rkingsystemsandproductsthatinteroperate.4.1.Dial-upmodemovertelephoneline:home;2.DSLovertelephoneline:homeorsmalloffice;3.CabletoHFC:home;4.100MbpsswitchedEthernet:enterprise;5.Wifi(802.11):homeandenterprise:6.3Gand4G:wide-areawireless.5.HFCbandwidthissharedamongtheusers.Onthedown
7、streamchannel,allpacketsemanatefromasinglesource,namely,theheadend.Thus,therearenocollisionsinthedownstreamchannel.6.InmostAmericancities,thecurrentpossibilitiesinclude:dial-up;DSL;cablemodem;fiber-to-the-home.7.EthernetLANshavetransmissionratesof10Mbps,100Mbps,1Gbpsand10Gbps.8.To
8、day,Ethernetmostcommonlyrunsovert
