What is the correct method for creating a new storage policy?

A.
name the policy, assign a disk library, assign a MediaAgent, enter the retention criteria, select or add a DataFabric Manager server

B.
name the policy, assign a disk library, assign a VSA, enter the policy schedule, select or add a DataFabric Manager server

C.
name the policy, assign a resource pool, assign a policy schedule, enter the retention criteria, select or add a DataFabric Manager server

D.
name the policy, assign a resource pool, assign a retention period, select or add a DataFabric Manager server