Your network contains an Active Directory forest named contoso.com. The forest contains
three domains. All domain controllers run Windows Server 2012 R2.
The forest has a two-way realm trust to a Kerberos realm named adatum.com.
You discover that users in adatum.com can only access resources in the root domain of
contoso.com.
You need to ensure that the adatum.com users can access the resources in all of the
domains in the forest.
What should you do in the forest?
A.
Delete the realm trust and create a forest trust.
B.
Delete the realm trust and create three external trusts.
C.
Modify the incoming realm trust.
D.
Modify the outgoing realm trust.