Which three procedures are necessary to set up Cisco Unity Connection 8.x to use VPIM Networking?

Which three procedures are necessary to set up Cisco Unity Connection 8.x to use VPIM
Networking? (Choose three.)

A.
Verify network and SMTP connectivity with the remote voice messaging system.

B.
Create VPIM regions.

C.
Create VPIM locations.

D.
Verify connectivity with the Cisco Unified Communications Manager.

E.
Configure DHCP.

F.
Create VPIM contacts.