You have an Exchange Server 2010 organization. Company policy states that a copy of a user s mailbox must be kept for one year after the user leaves the company. All user accounts are in an organizational unit (OU) named OU1. A compliance administrator plans to export the mailboxes to personal folders. You need to recommend a solution that allows the compliance administrator to meet the requirements of the company policy.

What should you include in the solution?

A.
a new management role assignment

B.
delegated permissions to OU1

C.
managed folder mailbox policies

D.
new Personal Archives