Your company has an Active Directory domain. <br /> You install an Enterprise Root certification authority (CA) on a member server named Server1.  You need to ensure that only the Security Manager is authorized to revoke certificates that are  supplied by Server1.    <br /> What should you do()
A、Remove the Request Certificates permission from the Domain Users group.
B、Remove the Request Certificates permission from the Authenticated Users group.
C、Assign the Allow - Manage CA permission to only the Security Manager user account.
D、Assign the Allow - Issue and Manage Certificates permission to only the Security Manager user account.