Your company has a single Active Directory directory service forest with three domains. All servers in your environment run Windows Server 2003. You are planning a public key infrastructure (PKI). You will require the use of a smart card for domain authentication. You need to specify a certification authority (CA) that will create certificate templates and issue certificates.

Which CA should you specify?

A.
an Enterprise root CA on Windows Server 2003, Standard Edition

B.
an Enterprise subordinate CA on Windows Server 2003, Enterprise Edition

C.
a Stand-alone root CA on Windows Server 2003, Enterprise Edition

D.
a Stand-alone subordinate CA on Windows Server 2003, Standard Edition