An NSX administrator is validating the setup for a new NSX implementation and inputs this command:

A.
It helps verify that VXLAN segments are functional and the transport network supports the proper MTU size
for NSX.

B.
It helps verify that the source virtual machine is configured with the proper MTU size for NSX.

C.
It helps verify that the NSX Controller is communicating with the destination VTEP.

D.
It helps verify that the NSX Logical Switch is routing packets to the destination host.

Explanation:
https://www.viktorious.nl/2014/12/02/nsx-basics-creating-logical-switch/