Which two actions are best for deploying VoWLAN on a wireless network?

Which two actions are best for deploying VoWLAN on a wireless network? (Choose two.)

A.
Minimize the use of Class 3 Bluetooth devices.

B.
Minimize the use of analog cameras.

C.
Minimize the use of IP cameras.

D.
Maximize client access by enabling all data rates used by clients.

E.
Maximize client access by enabling only a few high data rates used by clients.