多项选择题
A. has a permissive interface that is used to monitor networks
B. is an active device in the traffic path
C. passively listens to network traffic
D. has a promiscuous interface that is used to monitor the network
多项选择题 WhichthreecomponentsarepartoftheIntelligentNetworkServicesprovidedbytheCiscoAVVIDframework？（）
单项选择题 Jitterisanunwantedvariationofoneormorecharacteristicsofaperiodicsignalinelectronicsand telecommunicationsand（）referstocallissuesthatcausevariationsintimingortimeofarrival.
单项选择题 WhichVPNmanagementfeaturewouldbeconsideredtoensurethatthenetworkhadtheleast disruptionofservicewhenmakingtopologychanges？（）