多项选择题

A.first-in， first-out queuing （FIFO）B.priority queuing ……

Which two queuing methods will allow a percentage of the available bandwidth to be allocated to each queue？（）

A.first-in， first-out queuing （FIFO）
B.priority queuing （PQ）
C.custom queuing （CQ）
D.weighted fair queuing （WFQ）
E.class-based WFQ （CBWFQ）
F.low latency queuing （LLQ）

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