此题为判断题(对,错)。
第1题:
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.
第2题:
A.IGMP Snooping解决组播报文在三层广播的问题
B.IGMP Snooping运行在链路层,是二层以太网交换机上的组播约束机制,用于管理和控制组播组
C.IGMP Snooping通过在监听主机发出的IGMP报文,建立MAC组播地址表
D.IGMP Snooping不会消耗交换机的CPU
第3题:
在三层交换机上配置命令 :Switch(config-if)#no switchport ,该命令作用是()。
A.将该端口配置为 Trunk 端口
B.将该端口配置为二层交换端口
C.将该端口配置为三层路由端口
D.将该端口关闭
第4题:
A. [Quidway]display ip igmp interface
B. <Quidway>display ip igmp interface
C. <Quidway>display ip igmp
D. [Quidway]display igmp interface
第5题:
A.IGMP
B.IGMP窥探
C.CGMP
D.GRMP