单项选择题 CiscoCatalyst_switchesfitintheaccessarea.（）

单项选择题 Whatisthemaximumnumberofwlancontrollersthatcanjoinasinglemobilitygroup？（）

单项选择题 Theintegratedservicesroutingarchitectureprovidestheperformance，availability，andreliabilityneededtoscalemission-criticalbusinessapplicationsinthemostdemandingenvironments.WhichstatementbestdescribesthebenefitsofCiscoIntegratedServicesRouters？（）A.ISRsprovidethreatdefenseagainstattacksfromhackersandvirusesthatcanoccurinthenetwork.B.ISRsprovidetheframeworktointegrateandextendwiredandwirelessnetworksC.ISRsprovideconcurrentsecurity，voice，data，wireless，andapplicationoptimizationservices.D.ISRSprovidethecommonfabric，functionality，andCLIacrossthenetwork.