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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()。
A.[Quidway-interface-vlan1]igmp enable用于使能IGMP协议;
B.[Quidway-vlan1]igmp enable用于使能IGMP协议;
C.[Quidway-interface-vlan1]igmp-snooping enable用于使能IGMP snooping;
D.[Quidway]igmp-snooping enable用于使能IGMP snooping。
参考答案
更多 “ 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()。 A.[Quidway-interface-vlan1]igmp enable用于使能IGMP协议;B.[Quidway-vlan1]igmp enable用于使能IGMP协议;C.[Quidway-interface-vlan1]igmp-snooping enable用于使能IGMP snooping;D.[Quidway]igmp-snooping enable用于使能IGMP snooping。 ” 相关考题
考题
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
考题
下面关于配置IGMP时间参数配置命令的解释正确的有()。
A.igmp timer query seconds命令用于设置交换机发送查询报文的时间间隔B.igmp timer query seconds命令用于设置交换机发送查询报文中的最大响应时间C.igmp max-response-time seconds命令用于设置交换机发送查询报文中的最大响应时间D.igmp timer other-querier-present seconds命令用于设置交换机监听查询器存在的超时时间
考题
要使得Quidway交换机正常运行IGMP,下列配置命令中哪些命令是必需的()。
A.[Quidway-interface-vlan1]pim dm;B.[Quidway-interface-vlan1]igmp enable;C.[Quidway-interface-vlan1]igmp version 2;D.[Quidway]multicast routing-enable。
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
在Quidway S3526交换机上,使用下列哪一条命令可以显示IGMP接口信息()
A. [Quidway]display ip igmp interfaceB. Quidwaydisplay ip igmp interfaceC. Quidwaydisplay ip igmpD. [Quidway]display igmp interface
考题
下面给出的RTA的配置,关于配置描述错误的是?()
A.multicast routing-enable该命令为使能组播功能，如若不配置该命令，则路由器不转发组播报文B.Igmp enable命令用来在接口上使能IGMP。如果不先配置multicast routing-enable命令，igmp enable也可以照常使用C.该接口所支持的IGMP版本为版本2，如果不配置该命令，则接口缺省运行IGMPV1D.该路由器默认监听组播地址224.0.0.2
考题
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
考题
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
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
考题
以下关于组播VLAN的表述，正确的是（）。A、组播VLAN既节省了带宽，又减轻了三层设备的负担B、需要将主机所属的VLAN配置为组播VLAN的子VLANC、组播VLAN需要启用IGMP-Snooping功能D、组播VLAN的子VLAN必须同时启用IGMP-Snooping功能
考题
关于IGMP-Snooping工作原理，正确的是（）。A、二层设备依靠IGMP-slooping侦听IGMP消息，在二层维护组播地址转发表项B、通过侦听IGMPQuery报文，IGMP-Snooping确定路由端口C、通过侦听IGMPReport报文，IGMP-Snooping添加端口到已知组播组或者建立新的组播转发表项
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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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关于7360组播，以下说法正确的是A、7360支持IGMP ProxyB、ihub支持IGMP SnoopingC、7360支持跨VLAN的组播D、组播VLAN必须为Residential Bridge模式
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
单选题如果IGMP snooping工作机制描述正确的是（）A
如果主机发出IGMP离开报文时，交换机将改主机加入到相应的组播表中B
如果主机发出的IGMP主机报告报文时，交换机将删除与该主机对应的组播表项C
二层交换机通过不断监听IGMP报文，交换机在二层建立和维护MAC广播地址表D
没有运行IGMP Snooping时，组播报文将在二层广播，运行IGMP Snooping后，报文将不再二层广播，而是进行二层组播
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
单选题在Quidway S3526交换机上，使用下列哪一条命令可以显示IGMP接口信息（）A
[Quidway]display ip igmp interfaceB
Quidwaydisplay ip igmp interfaceC
Quidwaydisplay ip igmpD
[Quidway]display igmp interface
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