As illustrated in the above diagram, a company has two campus locations and a building headquarters all located in different cities.

Following best practices, what would be the best way to construct mobility domains for the
company?

A.
Buildings (1, 2) in one domain and Buildings (3, 4, 5, 6) in one domain

B.
Buildings (1, 2) in one domain, Building (3) in one domain, and Buildings (4, 5, 6) in one domain

C.
Buildings (1, 2, 4, 5, 6) in one domain and Building (3) in one domain

D.
Buildings (1, 2, 3, 4, 5, 6) in one domain

Explanation: