You need to ensure that all of the mailbox-enable users can use the message classification from Outlook 2010.

You have an Exchange Server 2010 SP1 organization.

All mailbox-enabled users access their mailbox by using Microsoft Outlook 2010.

You create a custom message classification.

You need to ensure that all of the mailbox-enable users can use the message classification from Outlook 2010.

What should you do? (Choose all that apply).

A.
Create a retention policy.

B.
Deploy Classifications.xml to each client computer.

C.
Create a retention tag.

D.
Modify the Outlook 2010 profile settings of each mailbox-enabled user.

E.
Modify the registry of each client computer.

F.
Create a transport rule that uses the message classifcation as a condition.

Explanation:
Reference:

http://technet.microsoft.com/en-us/library/aa998271.aspx