Your network contains an Active Directory domain named contoso.com. The domain
contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the
Active Directory Rights Management Services server role installed.
Your company works with a partner organization that does not have its own Active Directory
Rights Management Services (AD RMS) implementation.
You need to create a trust policy for the partner organization.
The solution must meet the following requirements:
Grant users in the partner organization access to protected content.
Provide users in the partner organization with the ability to create protected content.
Which type of trust policy should you create?
A.
A federated trust
B.
Windows Live ID
C.
A trusted publishing domain
D.
A trusted user domain
https://technet.microsoft.com/en-us/library/cc755156.aspx
Federated trust . Establishing a federated trust between two forests is done by using Active Directory Federation Services. This is useful if one forest does not have AD RMS installed, but its users need to consume rights-protected content from another forest
A