Your network contains an Active Directory forest named contoso.com. The forest contains five domains.
You need to ensure that the CountryCode attribute is replicated to the global catalog.
What should you do?
A.
Modify the schema partition.
B.
Create and modify an application partition.
C.
Modify the configuration partition.
D.
Modify the domain partitions.
Explanation:
After an attributeSchema object is created, marking an additional attribute to replicate to the Global
Catalog causes a full replication (also known as a “full sync”) of all objects to the Global Catalog.
How to Modify Attributes That Replicate to the Global Catalog
https://support.microsoft.com/en-us/kb/248717