Your network contains an Active Directory forest named contoso.com. The forest contains an Exchange Server 2010 SP1 organization.
A partner company has an Exchange Server 2010 SP1 organization.
You need to implement federated delegation between your organization and the partner organization.
What should you do first?
A. Create a federation trust.
B. Install the Federation Service Proxy role service.
C. Create a forest trust.
D. Install the Federation Service role service.
