单项选择题

How are IP multicast IGMP entries synchronized between vPC peers？（）

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

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单项选择题

Which statement describes OTV configuration on the Cisco Nexus 7000 Series Switches？（）

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

Cisco FabricPath uses what as a common bridge ID to connected Spanning Tree Protocol bridges？（）

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

单项选择题

Which statement describes the XML management interface in Cisco NX-OS Software？（）

A.The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config delete-config and edit-config
B.The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config edit-config and kill-session
C.NX-OS Software supports up to a maximum of 16 concurrent XML sessions
D.Only show commands are supported via the XML management interface in NX-OS Software
E.The NX-OS implementation of the XML-based NETCONF requires SSH to be used for communication with the device