A domain controller that is designated to perform a set of specialized domain controller tasks is commonly referred to as a/an:

A domain controller that is designated to perform a set of specialized domain controller tasks is commonly referred to as a/an:
A . Windows Internet Name Service (WINS) server
B . Operations Master
C . Organizational Unit
D . Primary domain controller

Answer: B

Explanation:

Operations Master Roles

The five operations master roles are assigned automatically when the first domain controller in a given domain is created.