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Assume that the WRED policy for packets with the priority of AF21 is that the length of the queue for saving packets ranges from 35 to 40, and the discarding
percentage is 50%. When a packet with the priority being AF21 arrives, which of the following statements are true? (Choose three.)

A. If the average length of the queue is smaller than 35, the packet is added to the queue.

B. If the length of the queue ranges between 35 and 40, the packet may be discarded with a possibility of 50%.

C. If the average length of the queue is greater than 40, the packet is added to the queue.

D. If the average length of the queue is greater than 40, the packet is discarded.

Explanation:

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