What should you identify?

Domain.com has employed you as a network administrator. The Domain.com network consists of a single Active Directory domain named Domain.com. All servers on the Domain.com network run Windows Server 2008. Half the client computers run Windows XP Professional, and the rest run Windows Vista. You need to determine which AD service is responsible for maintaining the replication topology.
What should you identify?

A.
The Windows Internet Name Service will accomplish this.

B.
The File Replication Service will accomplish this.

C.
The Domain Name System will accomplish this.

D.
The Knowledge Consistency Checker will accomplish this.

Explanation:
The Knowledge Consistency Checker (KCC) is accountable for setting up the replication topology as well as ensuring that all domain controllers are kept current.