Which QoS technology provides a strict priority queuing scheme that allows delay-sensitive data
such as voice to be dequeued and sent before packets in other queues are dequeued, and also
works with WFQ and CBWFQ.

A.
header compression

B.
IP RTP Priority and Frame Relay IP RTP Priority

C.
RSVP

D.
low latency queuing

E.
FRF.12