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A corporate environment includes two Active Directory Domain Services (AD DS) forests, as shown in the following table:
You need to ensure that users in the contoso.com domain can access resources in the eng.fabrikam.com domain.
What should you do?
A. Enable selective authentication.
B. Enable forest-wide authentication.
C. Create an external trust between contoso.com and eng.fabrikam.com.
D. Enable domain-wide authentication.
Correct Answer: C
Explanation/Reference:
Reference:
http://technet.microsoft.com/en-us/library/cc816837.aspx
Creating External Trusts
You can create an external trust to form a one-way or two-way, nontransitive trust with domains that are outside your forest. External trusts are sometimes necessary when users need access to resources that are located in a Windows NT 4.0 domain or in a domain that is in a separate Active Directory Domain Services (AD DS) forest that is not joined by a forest trust.