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？（）
单项选择题 WhichIPtelephonydeploymentmodelusesanH.225Gatekeeper-ControlledtrunkforcalladmissioncontrolwithinexistingH.323environments？（）