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IGMP协议和IGMP Snoo ping的区别是()。
- A、IGMP协议运行在网络层,IGMP Snoo ping运行在链路层
- B、IGMP协议运行在链路层,IGMP Snoo ping运行在网络层
- C、IGMP运行在主机和组播路由器之间,用于跟踪、了解主机是哪些组播组的成员
- D、IGMP Snoo ping工作在二层交换机中,用于将组播报文在二层上进行有目的性转发
参考答案
更多 “IGMP协议和IGMP Snoo ping的区别是()。A、IGMP协议运行在网络层,IGMP Snoo ping运行在链路层B、IGMP协议运行在链路层,IGMP Snoo ping运行在网络层C、IGMP运行在主机和组播路由器之间,用于跟踪、了解主机是哪些组播组的成员D、IGMP Snoo ping工作在二层交换机中,用于将组播报文在二层上进行有目的性转发” 相关考题
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下面不属于IGMP v2和 IGMP v1的区别的是()
A.IGMP v2与IGMP v1相比,增加了离开消息B.IGMP v2与IGMP v1相比,增加了特定组查询C.IGMP v2能从指定的组播源接收消息,IGMP vq不能D.IGMP v2和IGMP v1查询器的选举方式不一样
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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。
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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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IGMP协议和IGMP Snooping的区别是()A、IGMP协议运行在网络层,IGMPSnooping运行在链路层B、IGMP协议运行在链路层,IGMPSnooping运行在网络层C、IGMP运行在主机和组播路由器之间,用于跟踪、了解主机是哪些组播组的成员D、IGMPSnooping工作在二层交换机中,用于将组播报文在二层上进行有目的性转发
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下述关于RG200O-CA 63293的IGMP Proxy功能,描述错误的是:()A、可以选择开启或者关闭IGMP Proxy功能B、IGMP Proxy功能拦截用户和路由器之间的IGMP报文建立组播表C、IGMP Proxy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D、IGMP Proxy 分析IGMP报文所带的信息,在二层建立和维护MAC组播地址表
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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
Which of the following mitigation techniques would an administrator apply to a device in order torestrict remote access?()A、Disable TELNETB、Disable IGMP snoopingC、Enable TELNET but not SSLD、Disable ICMP/ping on device
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
考题
单选题使用下列哪一条命令可以显示通过IGMP消息得知的,直连子网中组成员的情况?()A
show ip igmp interfaceB
show ip igmp routeC
show ip igmp groupD
debug ip igmp
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