What is the Overlay Transport Virtualization site VLAN used for?

Posted by: Pdfprep Category: 300-165 Tags: , ,

What is the Overlay Transport Virtualization site VLAN used for?
A . to facilitate communications between OTV edge devices within the site
B . to allow multiple site AEDs to communicate with each other
C . to detect devices at the site that are not capable of OTV
D . to allow the join interfaces at different sites to communicate

Answer: C