Which three of these are considered Cisco RF guidelines for a proper VoWLAN deployment?
(Choose three.)
A.
Cell edge should be -67 dBm with 20 to 30 percent overlap.
B.
Channel utilization should be kept under 30 percent.
C.
Noise levels should not exceed -92 dBm.
D.
Packet loss should not exceed 5 percent.
E.
Jitter should be kept at a minimum (less than 300 ms).
F.
802.11 retransmissions should be less than 20 percent.