Your network contains an Active Directory forest named contoso.com. All domain controllers currently run
Windows Server 2008 R2 Service Pack1 (SP1).
You plan to install a new domain controller named DC4 that runs Windows Server 2012 R2.
The new domain controller will have the following configurations:
Schema master
Global catalog server
DNS Server server role
Active Directory Certificate Services server role
You need to identify which configuration can be fulfilled by using the Active Directory Domain Services
Configuration Wizard.
Which two configurations should you identify? (each correct answer presents part of the solution. Choose two.)

A.
Transfer the schema master.

B.
Install the Active Directory Certificate Services role.

C.
Install the DNS Server role.

D.
Enable the global catalog server.

Explanation:
https://technet.microsoft.com/en-us/windows-server-docs/identity/ad-ds/deploy/ad-ds-installation-and-removalwizard-page-descriptions