What are the differences between LLQ and CBWFQ？（）

A.LLQ supports the addition of strict priority queuing

B.With LLQ， bandwidth allocations for the priority queue and all the CBWFQ queues areconfigured using the priority command

C.LLQ is configured using MQC and CBWFQ is configured using the fair-queue command

D.LLQ priority queue bandwidth is policed with a congestion aware policer

E.LLQ does not support WFQ on the default traffic class （class-default）