What are two QoS mechanisms that are used to prevent packet loss？（）A、header compressionB、payload compressionC、low latency queuing （LLQ）D、weighted random early detection （WRED）E、traffic policingF、traffic shaping
What are two QoS mechanisms that are used to prevent packet loss？（）
- A、header compression
- B、payload compression
- C、low latency queuing （LLQ）
- D、weighted random early detection （WRED）
- E、traffic policing
- F、traffic shaping
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