You are designing the DNS topology to meet the business and technical requirements.  Which DNS structure should you use?()
A、one primary zone
B、two primary zones
C、one Active Directory-integrated zone that has the replication scope set to all DNS servers in the forest.
D、two Active Directory-integrated zones that have the replication scopes set to all DNS servers in the forest.
E、one Active Directory-integrated zone that has the replication scope set to all domain controllers in the domain.
F、two Active Directory-integrated zones that have the replication scopes set to all domain controllers in the domain.