What should you include in the recommendation?

You need to recommend a deployment plan that meets the technical requirements for the mailbox databases.

What should you include in the recommendation?
A . Deploy one Exchange server to the main office and two Exchange servers to each branch office. Create one mailbox database on each server.
B . Deploy 10 Exchange servers to the main office and one Exchange server to each branch office. Create two mailbox databases on each server.
C . Deploy 11 Exchange servers to the main office and one Exchange server to each branch office. Create one mailbox database on each server.
D . Deploy one Exchange server to each office. Create two mailbox databases on each server. Create copies of the databases on another server.

Answer: D