试题详情
- 多项选择题Which two statements are true about Internet Group Management Protocol (IGMP) snooping?（）
A、IGMP snooping and Cisco Group Membership Protocol (CGMP) can be used simultaneously on a switch.
B、IGMP snooping a nd Cisco Group Membership Protocol (CGMP) were developed to help Layer 3 switches make intelligent forwarding decisions on their own.
C、IGMP snooping examines IGMP join/leave messages so that multicast traffic is forwarded only to hosts that sent an IG MP message toward the router.
D、IGMP snooping is an IP multicast constraining mechanism for Layer 2 switches.
E、IGMP snooping is enabled with the ip multicast - routing global configuration command.
- C,D
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