To which QoS tool category does compressed RTP belong? 

Answer options:

A. classification
B. marking
C. link efficiency
D. queuing
E. prioritization

C

LLQ is a feature that provides a strict PQ to CBWFQ. LLQ enables a single strict PQ within CBWFQ at the class level. With LLQ, delay-sensitive data (in the PQ) is dequeued and sent first. In a VoIP with LLQ implementation, voice traffic is placed in the strict PQ.