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 Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework? （）
单项选择题 Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.
单项选择题 Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?（）