A customer has Cisco Nexus 1000V switches in their environment and is looking at deploying NSX.
Which statement is correct?

A.
The environment must be migrated from the Nexus 1000V to vSphere Distributed Switches.

B.
The environment must be configured for VXLAN over the Nexus 1000V.

C.
The environment can use the Nexus 1000V switches for the NSX deployment.

D.
The environment must be migrated from the Nexus 1000V to vSphere Standard Switches.

Explanation:
https://fojta.wordpress.com/2014/06/09/migration-from-nexus-1000v-to-nsx-in-vcloud-director/