试题详情
- 多项选择题To have the best possible voice quality and to utilize effectively the available bandwidth， which queuing and compression mechanisms need to be used？（）
A、class-based weighted fair queuing （CBWFQ）
B、low latency queuing （LLQ）
C、priority queuing （PQ） or custom queuing （CQ）
D、Real-Time Transport Protocol （RTP） header compression
E、TCP header compression
F、UDP header compression
- B,D
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