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下述关于RG200O-CA 6828的IGMP Snooping功能，描述错误的是：（）
- A、可以选择开启或者关闭IGMP Snooping功能
- B、可以用于组播组的管理和控制
- C、IGMP Snooping 分析IGMP报文所带的信息，在二层建立和维护MAC组播地址表
- D、IGMP Snooping在上联端口执行主机的角色，在下联端口执行路由器的角色
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更多 “下述关于RG200O-CA 6828的IGMP Snooping功能，描述错误的是：（）A、可以选择开启或者关闭IGMP Snooping功能B、可以用于组播组的管理和控制C、IGMP Snooping 分析IGMP报文所带的信息，在二层建立和维护MAC组播地址表D、IGMP Snooping在上联端口执行主机的角色，在下联端口执行路由器的角色” 相关考题
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在一个只有二层交换机构成的局域网中,如果在交换机上只启用IGMP Snooping,那么()。
A.组播不通B.组播正常，但IGMP Snooping无法正确记录成员端口信息C.组播正常，IGMP Snooping也可以正确记录组播成员端口信息D.如果同时启用IGMP Spoofing，可以使IGMP Snooping正常工作
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对于既支持IGMP同时也支持IGMP snooping的Quidway交换机,下列关于二者配置描述正确的有()。
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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.
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关于IGMP snooping描述正确的是()
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
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Nexus# sh ip igmp snooping vlan 120 IGMP Snooping information for vlan 120 IGMP snooping disabled Optimised Multicast Flood （OMF） disabled IGMP querier none Switch-querier enabled， address 1.1.1.1， currently not running IGMPv3 Explicit tracking enabled IGMPv2 Fast leave disabled IGMPv1/v2 Report suppression enabled IGMPv3 Report suppression disabled Link Local Groups suppression enabled Router port detection using PIM Hellos， IGMP Queries Number of router-ports： 0 Number of groups： 0 Active ports： Po100 Po111 Which statement best describes what is depicted in the show command output？（）A、 IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B、 The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C、 IGMP snooping has been disabled on the VLAN 120 SVI.D、 IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E、 IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
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在一个只有二层交换机构成的局域网中，如果在交换机上只启用IGMP Snooping，那么（） A、 组播不通B、 组播正常，但IGMP Snooping 无法正确记录成员端口信息C、 组播正常，IGMP Snooping 也可以正确记录组播成员端口信息D、 如果同时启用IGMP Spoofing，可以使IGMP Snooping 正常工作
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考题
Which statement best describes what is depicted in the show command output？（）A、 IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B、 The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C、 IGMP snooping has been disabled on the VLAN 120 SVI.D、 IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E、 IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
考题
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.
考题
单选题Nexus# sh ip igmp snooping vlan 120 IGMP Snooping information for vlan 120 IGMP snooping disabled Optimised Multicast Flood （OMF） disabled IGMP querier none Switch-querier enabled， address 1.1.1.1， currently not running IGMPv3 Explicit tracking enabled IGMPv2 Fast leave disabled IGMPv1/v2 Report suppression enabled IGMPv3 Report suppression disabled Link Local Groups suppression enabled Router port detection using PIM Hellos， IGMP Queries Number of router-ports： 0 Number of groups： 0 Active ports： Po100 Po111 Which statement best describes what is depicted in the show command output？（）A
IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B
The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C
IGMP snooping has been disabled on the VLAN 120 SVI.D
IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E
IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
考题
多选题关于IGMP snooping描述正确的是（）AIGMP Snooping解决组播报文在三层广播的问题BIGMP 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CIGMP Snooping通过在监听主机发出的IGMP报文，建立MAC组播地址表DIGMP Snooping不会消耗交换机的CPU
考题
单选题Which statement best describes what is depicted in the show command output？（）A
IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B
The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C
IGMP snooping has been disabled on the VLAN 120 SVI.D
IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E
IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
考题
单选题What is the minimum configuration you must do in order to enable multicast support on the CiscoWireless LAN Controller v5.2?（）A
Enable the IGMP snooping capability and define the IGMP timeout period.B
Set the Ethernet multicast mode to Enabled， enable the IGMP snooping capability， and define the IGMP timeout period.C
Set the multicast monitor function to Enabled， enable the IGMP snooping capability， and define the mandatory data rate to the minimum value supported.D
Set the Ethernet multicast mode to Multicast and define the multicast group address.
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