In the exhibit,

which statement is true in this operational metaSAN?

A.
Edge Fabric A and B must have the same FID.

B.
The link between FC Router 1 and 2 must use E_Ports or VE_Ports.

C.
Edge Fabric A and the Backbone Fabric must have the same FID.

D.
The link between FC Router 1 and Edge Fabric A must be an ISL.