思博伦测试题与答案.doc

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1、.专业.专注.FinalExamQuestions1.Whichofthefollowingispartofthe"core"RFCsforperformancebenchmarking?A.RFC1242/2544BenchmarkingTerminology/MethodologyforNetworkInterconnectionDevices?B.RFC2285/2889BenchmarkingTerminology/MethodologyforLANSwitchingDevices?C.BothD.Neither★2.RFC2544saysthatatle

2、astfiveframesizesSHOULDbetestedforeachtestcondition.A.TrueB.False3.Whatwouldbethecorrectorderforpredeploymenttestingofadevice?A.Conformance,Performance,FunctionalB.Conformance,Functional,PerformanceC.Functional,Conformance,PerformanceD.Performance,Functional,Conformance★4.Whichofthefo

3、llowingisfalseregardingRFC2544?A.Itdefinesaspecificsetofteststhatvendorscanusetomeasureandreport.word可编辑..专业.专注.theperformancecharacteristicsofnetworkdevicesB.TheresultsofthesetestswillprovidetheusercomparabledatafromdifferentvendorswithwhichtoevaluatethesedevicesC.RFC1242shouldbecons

4、ultedbeforeattemptingtomakeuseofthisdocumentD.Providesamethodologyforbenchmarkingbridgesonly(notrouters)5.WhichofthefollowingisnotaLayer3process?A.RoutingprotocolsB.SpanningTreeprotocolC.DifferentiatedServicesD.IPforwarding★6.DifferentiatedServices(Diffserv)re-definedtheIPv4TypeofServ

5、icefield.A.TrueB.FalseP1487.WhichofthefollowingisnotanIPProtocol?A.ICMPB.ARPC.FlowcontrolD.IGMP.word可编辑..专业.专注.★8.Whichofthefollowinghasapriorityfield?A.IPHeaderB.TCP/UDPHeaderC.EitherD.Neither注释：IP头部含有的TOS字段中含有3个比特的优先级子字段？★9.WhichofthefollowingisTrueregardingactivequeuemanagement(RED

6、/WA.DeterminingwhichqueueheadshouldbeservicednextB.AllowinglowvolumeflowstotakeprecedenceC.RandomlydroppingpacketsfromselectedflowsD.BandwidthlimitingschemesP150★10.WhichofthefollowingQoStechniquesisstateful?A.DifferentiatedServicesB.RSVPC.802.1pD.Alloftheabove11.WhichofthefollowingQu

7、euingtechniquesleveragesTCPcongestioncontromechanisms?拥塞控制机制.word可编辑..专业.专注.A.CustomQueuingB.PriorityQueuingC.RandomEarlyDetection(RED)D.Noneoftheabove12.Allroutingprotocolsrefreshtheirroutesevery30minutesregardlessofwhethertheychangeornot.A.TrueB.False★13.Whentestingadevicedynamicrou

8、tehan