Your network consists of one Active Directory forest that contains one root domain and two child domains. All domain controllers run Windows Server 2008 R2. A domain controllers run the DNS Server service and host Active Directory-integrated zones.
You design a name resolution solution to support single-label names.

You need to prepare the environment to support single-label name resolution across the entire forest.

What should you do?

A.
Deploy a GlobalNames zone.

B.
Deploy stub zones in each child domain.

C.
Configure conditional forwarders in each child domain.

D.
Configure A.A.AA resource records in the parent domain.