You have an Exchange Server 2010 Service Pack 1 (SP1) Mailbox server named Server1.
You need to ensure that a copy of each email message modified or deleted by a user named User1 is retained on Server1.
What should you do?
A.
Create a personal tag.
B.
Enable single item recovery.
C.
Enable message tracking.
D.
Enable litigation hold.
E.
Create a retention policy.
F.
Create a journal rule.
Explanation:
Reference:http://technet.microsoft.com/en-us/library/ee861123.aspx