Which tool is used to migrate users from Cisco Unity to Cisco Unity Connection?

A.
CSV import

B.
LDAP import

C.
Exchange Synch import

D.
COBRAS import

E.
Cisco Unity Migration Assistant

Explanation:
OK. StudentGuide Volume 1 Page 1-24
Administrators can use the Consolidated Object Backup and Restore Application Suite (COBRAS) to migrate users, with or without their messages, from a Cisco Unity system to a Cisco Unity Connection system