A corporate environment includes an on-premise deployment of Exchange Server 2010 SP1. The company needs to share calendar availability information with a partner. The partner is using a cloud-based Exchange Server 2010 SP1 service. You need to recommend a solution for sharing calendar availability information for all employees with the partner.
What should you recommend?
A.
Create a federation trust and a TXT DNS record. Then create an organization relationship with the
partner.
B.
Create a federation trust and a CNAME DNS record. Then create an organization relationship with
the partner.
C.
Add the partner s domain as an accepted domain. Then create a TXT DNS record and a transport
rule.
D.
Add the partner s domain as an accepted domain. Then create a CNAME DNS record and a group
policy for all users.