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1、网络工程师全真模拟试卷及解析（二）下午试题1/6ThenetworkengineerisfullysimulatedandparsedThenetworkengineerquanzhensimulationexaminationpaperandtheanalyticnetworkengineeralltruesimulationexaminationpaperandanalysisThenetworkengineeralltruesimulationexaminationpaperandanalysis((((2■2)))Exam)afternoonTheafterno
2、onquestionistheafternoontestOntheafternoonoftestquestions〃qpIryaReadtheinstruct!onsbelowtoanswerquestions1~6andfillintheanswerstotheanswers.【description]ADSLisabroadbandtechnologyconnectedtotheInternet,asshowninfigure2,aPCwithanetworkcardADSLconnectstotheInternet，snetworktopologydiagram・
3、Figure2networkstructurediagram[question1]Fillintheanswerssectionoftheanswersheetwiththetitleof(1)and(2)infigure2.[question2]WhatarethetwoIPaddressesassignedbyADSL?[question3]WhenusingADSLtoaccesstheInternet,doyouchargeforthephone?[question4]Whatarethewaysinwhichmultiplexingisavailable?Wh
4、atarethetwomainfactorsthatmakeADSL，stransmissionratehigher?Problems[6.Howmanysecondsdoesittaketouploada24MBfileaccordingtothehighestrateoftheg.1.ite?〃rpfrya[question1](1)ADSLModemisusuallycalledtheatu-r(ADSLTransmissionUnit-Remote)・(2)separator,orfilter・[question2]2/6【answer】static(fixed
5、)IPanddynamicIPaddresses・[question3]Notelephonechargesarerequired・[question4]TimedivisionmultiplexingTDM,frequencydivisionmultiplexingFDM,multiplexingWDM,etc・Distanceandlinequality.Problems[6]24times1024times1024times8over(512times1,000)s二393.216sis393s.Lowtestquestion2Readtheinstruction
6、sbelowtoanswerquestions1,2,3.[that]Withtheincreasingopennessofthecommunicationmarket,thete1ecommunicationbusinessisbeingdigitized,broadband,integratedandpersonalizedGrowingcompetitionamongoperatorsisgrowing・Thebasicpointofcompetitionisthecompetitionforaccesstoresources,forexampleHowfast,
7、efficient,flexible,andlowcostprovidecustomerswithallkindsofbusinessthattheoperatorsneedtobethefirsttoconsiderTheproblem.Wirelessaccess,inpart,meetstheoperators，needs・WirelessaccessdoesnotneedtobespecializedThelayingofpipelineroutesprovidesbusinessaccesstoareasthatcannotbe
