A Cisco Unity 5.0 customer requires the import of 300 Exchange users via the LDAP connection as follows:

regular users group
executive group
system admin group

Using best practices, which procedure should be followed?

A.
Procedure 1:
Use the default subscribers template for the regular users group.
Create a new executives template with a new executives CoS Create a new administrators template but use the default administrators CoS.
Import new subscribers to their appropriate group.

B.
Procedure 2:
Use the default subscribers template for the regular users group.
Create a new executives template with a new executives CoS.
Use the default administrators template and the default administrators CoS.
Import new subscribers to their appropriate group.

C.
Procedure 3:
Use the default subscribers template for the regular users group.
Create a new executives template with a new executives CoS.
Use the default administrators template and the default administrators CoS.
Create one .csv file for each separate group to direct the imported subscribers.

D.
Procedure 4:
Use the default subscribers template for the regular users group.
Create two new executives templates with two new executives classes of service.
Use the default administrators template and the default administrators CoS.
Use the new executives CoS for the executive template import.
Import other subscribers in one group then use Bulk Edit to place them in their correct group.