You have configured a forest trust relationship between the Adatum forest and the Contoso forest.
You want to ensure that users from the Contoso forest can authenticate only when needing to access resources in the Adatum forest using the [email protected] UPN rather than any other UPN that is available for them.
Which of the following should you use to accomplish this goal?
A. SID filtering
B. Name suffix routing
C. Shortcut trust
D. External trust
