Your network contains an Exchange Server 2010 server. All users access their mailboxes by
using only Microsoft Office Outlook 2007.
You configure a policy to archive all e-mail messages located in the Entire Mailbox 365 days
after they are received.
You need to ensure that all members of a department named Sales can retain some e-mail
messages for five years.
What should you create first?

A.
A linked mailbox

B.
A managed custom folder

C.
A message classification

D.
An Outlook Protection Rule