You have an Exchange Server 2010 organization. You need to recommend a solution that prevents the permanent deletion of e-mail messages from the mailboxes of employee who have been dismissed from the company.
What should you recommend?
A.
Implement managed folders.
B.
Implement a legal hold for each mailbox.
C.
Implement a Retention Policy for each mailbox.
D.
Implement an Outlook Protection Rule for each mailbox.