Which of the following MMC snap-in consoles is used to administer domain and forest functional
levels and user principal name (UPN) suffixes?

A.
Group Policy Management Console

B.
Active Directory Domains and Trusts

C.
Active Directory Sites and Services

D.
Active Directory Administrative Center

Explanation:
The Active Directory Domains and Trusts MMC snap-in console is used to administer domain and
forest functional levels and user principal name (UPN) suffixes.
replication of directory data among all sites in an Active Directory Domain Services (AD DS) forest.
administrative tool for managing Group Policy across the enterprise.
information in the directory, including managing users, groups, computers, domains, domain
controllers, and organizational units.