How are partitions and calling search spaces in Cisco Unity Connection different from partitions and calling search spaces in Cisco Unified Communications Manager?

A.	In Cisco Unity Connection, search spaces do not include partitions.
B.	In Cisco Unity Connection, partitions include calling search spaces.
C.	In Cisco Unity Connection, partitions and calling search spaces are not used.
D.	In Cisco Unity Connection, partitions and calling search spaces function just as they do in Cisco Unified Communications Manager.
E.	In Cisco Unity Connection, only partitions are used.