What should you do?

You are the newly appointed network administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. All servers on the Domain.com network run Windows Server 2008. Half the client computers run Windows XP Professional and the rest run Windows Vista.
You are responsible for managing the Windows Server 2008 environment of Domain.com. At present the Enterprise Root certificate authority (CA) is used throughout the network. To ensure productivity management wants you to make sure that the revoked certificates is accessible for all Domain.com users that have the necessary permissions.
What should you do?

A.
You should consider making use of Network Load Balancing in order to create an Online Certificate Status Protocol (OCSP).

B.
You should consider having a new GPO created for Domain.com users in order to trust peer certificates.

C.
You should consider making use of GPO in order to circulate the trusted certificate authorities list.

D.
You should consider making use of an Internet Security and Acceleration Server array in order to create an Online Certificate Status Protocol (OCSP).

Explanation:
Thereafter the GPO should be linked to the domain.