An IP telephony network is being planned with two hundred phones. The phones can be divided into three different types. Limited personnel resources will be available for managing the network and it is expected that IP phones will be changed in and out on a continual basis. Which of the following would represent the best way to administer the network? (Select two)

A.
Bulk Administration Tool

B.
Tool for Auto-Registered Phones Support

C.
CVS Update Tool

D.
Auto-Load Phones Tool

E.
Auto-registration Tool

F.
Total Load Tool