单项选择题 AFibreChannelfabric（orFibreChannelswitchedfabric，FC-SW）isaswitchedfabricofFibreChanneldevicesenabledbyaFibreChannelswitch.FabricsarenormallysubdividedbyFibre Channelzoning.Eachfabrichasanameserverandprovidesotherservices.HigherredundancyoverFC-AL，P2P.WhichpathselectionprotocolisusedbyFibreChannelfabrics？（）

单项选择题 ThenetworkadministratorwouldliketogeneratesynthetictrafficusingtheServiceAssuranceAgentcontainedinCiscoIOS.WhichCiscoWorksnetworkmanagementapplicationwillbeusedtoreportthelatencyandavailabilityforconfiguredtrafficoperationsonanend-to-endandhop-by-hop（router-to-router）basis？（）

单项选择题 YouaretheCiscoNetworkDesignerinCisco.com.Inyourcompanysite，aNASisbothphysicall yandlogicallyinthetrafficpath.TheNASidentifiesclientssolelybasedontheirMACaddresses.InwhichaccessmodehasthisNASbeenconfiguredtooperate？（）