Your company has an Active Directory directory service domain with three domain controllers that run Windows Server 2003. You plan to apply a security template to the domain controllers. You need to ensure that you can roll back the security settings of the domain controllers after you apply the security template.
What should you back up?
A.
the system state on each domain controller
B.
the Default Domain Controller Policy and Default Domain Policy settings
C.
the Default security (Setup security.inf) security template on one domain controller
D.
the Domain controller default security (DC security.inf) security template on one domain controller