填空题 信道容量一般分为编码信道容量和（）信道容量
单项选择题 WhichstatementbestdescribestherogueAPlocationdisplayoftheWCSwirelessmanagementserver？（）
单项选择题 WhatdoestheOSPFcommandcapabilityvrf－liteachieve？（）
单项选择题 WhichCiscoPIXandASAfeatureprovidesreliable，comprehensivesecurityagainstvirusandwormpropagation，aswellasdatatheft？（）
单项选择题 WhenconfiguringtheCiscoVPNClient，whatactionisrequiredpriortoinstallingMutualGroupAuthentication？（）
单项选择题 YouarethenetworkadministratorofanenterprisecompanythatjustdeployedaglobalIPtelephonyenvironment.Inordertoguaranteegoodvoicequality，youaskedyourprovidertoimplementQoSontheCEroutersofyourMPLSnetwork.OnyourLAN，youhavealsodeployedQoS.Users，however，keepcomplainingaboutbadvoicequality，andtheproviderdoesnotseematchesontheDSCPvaluesthatyouhaveaskedhimtomatchupon.Whatismostlikelytheproblem？（）A.ThephonesarenotsendingtrafficwiththecorrectDSCPvalue.B.TheCiscoCallManagerisnotmarkingthetrafficcorrectly.C.ThisismostlikelyabugontheCErouters.D.YourLANQoSisincorrectlyconfigured.
单项选择题 TheASBR－summaryLSAis：（）.
单项选择题 TheCiscoLifecycleServicesapproachisprimarilyapplicabletowhichtypeofcompanies？（）
单项选择题 RFC3270describesDifferentiatedServices（Diff-Serv）overMulti-ProtocolLabelSwitching（MPLS）networks.WhichmodelaltersDifferentiatedServices（Diff-Serv）codepointssetindifferentDifferentiatedServices（Diff-Serv）domain？（）A.UniformmodelB.PipeModelC.ShortPipeD.NoneoftheabovewillalterDifferentiatedServices（Diff-Serv）codepointssetindifferent DifferentiatedServices（Diff-Serv）domain
单项选择题 WhatisthedefaultBGPscannertime？（）
单项选择题 WhichofthefollowingIOScommandscandetectwhethertheSQLslammerviruspropagatesinyournetworks？（）
单项选择题 WhenanMPLSLayer2VPNrunsinthehub－and－spokemodel，whereisQoSimplemented？（）
单项选择题 Whichdescriptionaboutasymmetricencryptionalgorithmsiscorrect？（）
单项选择题 DNSserversprovidewhatservice？（）
单项选择题 ArouterisconnectedtoanHDLCcircuitviaaT1physicalinterface.TheSLAforthislinkonlyallowsforasustainedrateof768kb/s.Burstsareallowedforupto30secondsatuptolinerate，withawindowTcof125ms.WhatshouldtheBcandBesettingbewhenusinggenerictrafficshaping？（）A.Be=46320000，Bc=96000B.Be=768000 ，Bc=32000C.Be=128000 ，Bc=7680D.Be= 0 ，Bc=96000
单项选择题 WhatdoesCiscorecommendwhenyouareenablingCiscoIOSIPS？（）
单项选择题 Apartfrominterdomainmulticastrouting，whatelseisMSDPusedfor？（）
单项选择题 Refertotheexhibit.Whichstatementiscorrectbasedontheshowlogincommandoutputshown？（）
单项选择题 Whatisanimportantsteptotakewhenverifyinganewlyproposednetworksecuritysolution？（）
单项选择题 WhatbenefitresultsfromimplementationofLayer3switchingversusLayer2switchinginafullymeshedcampusnetwork？（）