单项选择题

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.

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热门试题

单项选择题Whatdoesthecommand IPARPsynchronize doinavPCconfiguration？（）

A. Synchronizes ARP entries between vPC peers every five minutes
B. Triggers a manual update of ARP entries from the primary peer to the secondary
C. Enables a bulk loading of ARP entries when a vPC peer is restored
D. Uses the peer-keepalive link to maintain ARP table consistency

单项选择题WhichoptiondescribesthedefaultrolesavailabletoRBAConCiscoNexusswitches？（）

A. admin， operator， network-admin， and network-operator
B. admin， read-only， network-admin， and network-operator
C. vdc-admin， vdc-operator， network-admin， and network-operator
D. vdc-admin， vdc-operator， network-admin， and network-operator （for Nexus 7000） and network- admin and network-operator （for other Nexus switches）
E. admin and read-only

单项选择题HowareIPmulticastIGMPentriessynchronizedbetweenvPCpeers？（）

A. IGMP is not synchronized between vPC peers
B. Cisco Fabric Service carries IGMP entries across the vPC peer link
C. IP ARP synchronization under the vPC domain configuration also synchronizes IGMP
D. IGMP is flooded to the L2 domain， and there is no need to synchronize it between vPC peers

单项选择题WhichstatementdescribesOTVconfigurationontheCiscoNexus7000SeriesSwitches？（）

A. The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.
B. OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.
C. The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.
D. The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.

单项选择题CiscoFabricPathuseswhatasacommonbridgeIDtoconnectedSpanningTreeProtocolbridges？（）

A. C84C·75FA·6000
B. 01005·E11.·2FD
C. C84C·76FA·6000
D. 4000.0000.0001