Company runs Window Server 2008 on all of its servers. It has a single Active Directory
domain and it uses Enterprise Certificate Authority. The security policy at ABC.com makes it
necessary to examine revoked certificate information.
You need to make sure that the revoked certificate information is available at all times.
What should you do to achieve that?

A.
Add and configure a new GPO (Group Policy Object) that enables users to accept peer
certificates and link the GPO to the domain.

B.
Configure and use a GPO to publish a list of trusted certificate authorities to the domain

C.
Configure and publish an OCSP (Online certificate status protocol) responder through
ISAS (Internet Security and Acceleration Server) array.

D.
Use network load balancing and publish an OCSP responder.

E.
None of the above

Explanation:
http://technet.microsoft.com/en-us/library/ee619754%28v=ws.10%29.aspx
How Certificate Revocation Works