A customer is implementing a VoIP infrastructure using an existing network. The customer currently
has all network devices on the same subnet and would like the phones to be powered without the
use of an AC adapter. Which of the following features should be enabled and configured to allow for
reliable performance of the VoIP system? (Select THREE).

A.
WEP

B.
PoE

C.
VLANs

D.
SSL VPN

E.
IDS

F.
QoS