Your network contains an Active Directory forest named contoso.com. The forest contains five domains. All domain controllers run Windows Server 2012 R2. The contoso.com domain contains two user accounts named Admin1 and Admin2. You need to ensure that Admin1 and Admin2 can configure hardware and services on all of the member servers in the forest. The solution must minimize the number of privileges granted to Admin1 and Admin2.
Which built-in groups should you use?
A . Administrators local groups
B . Administrators domain local groups
C . Domain Admins global groups
D . Server Operators global groups
Answer: A