What must you consider?

You plan to extend the Layer 2 domain by using OTV in multicast mode.

What must you consider?
A . The same site ID must be used on all of the edge devices on all of the sites.
B . The join interface must run IGMPv3.
C . The OTV site VLAN must be extended over the overlay.
D . The site OTV VLAN must be the same on all of the AED routers on all of the sites.

Answer: D

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/whitepaper/ DCI3_OTV_Intro/DCI_1.html