fabric up and running?

What is the easiest way to enable SD-Access for all your remote sites after you have your campus SDAccess

fabric up and running?
A . Treat all sites as one fabric domain and use the traditional physical network as the underlay.
B . Use a separate fabric domain for each site and use SD-WAN as the underlay.
C . Use a separate fabric domain for each site and use the traditional physical network as the underlay.
D . Treat all the sites as one fabric domain and use SD-WAN as the underlay.

View Answer

Answer: D