Which two configurations should you identify?

Your network contains an Active Directory forest named contoso.com. All domain controllers currently run
Windows Server 2008 R2.
You plan to install a new domain controller named DC4 that runs Windows Server 8.
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 configurations cannot befulfilled by using the Active Directory Installation Wizard.
Which two configurations should you identify? (Eachcorrect answer presents part of the solution. Choose two.)

A.
Transfer the schema master.

B.
Enable the global catalog server.

C.
Install the DNS Server role.

D.
Install the Active Directory Certificate Servicesrole.

Explanation:
AD Installation Wizard will automatically install DNS and allows for the option to set it as a global catalog server.
ADCS and schema must be done separately.