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.

Explanation: