A corporate environment includes client computers that run Windows 7 and Microsoft Outlook
2010. The client computers are joined to an Active Directory Domain Services (AD DS) domain. Email
services are provided by a cloud-based Exchange Server 2010 SP1 service provider. You need to
recommend a method for automatically protecting email messages that contain the phrase Top
Secret in the subject line from being read by unauthorized users. In addition, you need to ensure
that those messages are protected in the message senders Sent Items folder. What should you
recommend?

A.
Implement message classification and an associated transport rule.

B.
Use Active Directory Rights Management Services (AD RMS) and Information Rights Management
(IRM) transport rules.

C.
Use Active Directory Rights Management Services (AD RMS) and Outlook protection rules.

D.
Use Secure/Multipurpose Internet Mail Extensions (S/MIME).