This question has been regraded.

Random Early Detection avoids congestion because it ...

Question

This question has been regraded.

Random Early Detection avoids congestion because it ...

BlackTom AI · Accepted Answer

The provided data for this question is incomplete: there are no answer options listed in the answer_options field, only an empty array, and the prompt asks about Random Early Detection (RED).

Because no option choices are given, I cannot evaluate which specific statements are correct or incorrect. In a typical multiple-choice item about RED, options might discuss how RED avoids congestion by detecting imminent queue buildup and taking action before the queue overflows. Common correct ideas include:
- RED monitors the average queue length and begins probabilistic packet drops (or ECN markings) before the queue becomes full.
- This early signaling helps to prevent global synchronization of TCP flows and reduces burstiness, smoothing throughput.
- By avoiding full queues, RED reduces the likelihood of long delays and large queue-induced waiting times.

If you can provide the actual answer options, I can analyze each one in turn and explain why each is correct or incorrect. In the meantime, here are typical explanations you might encounter for RED-related statements:
- A claim that RED avoids congestion solely by dropping packets after the queue is full would be incorrect; RED acts before the queue is full.
- A statement that RED uses random early drops to keep the average queue length around an optimal target is correct, since RED employs probabilistic dropping based on the observed average queue size.
- An assertion that RED requires ECN (explicit congestion notification) to function would be partly nuanced: RED can operate with drops alone, but ECN markings can be used as an alternative to drops if endpoints support it.

If you retrieve or provide the missing answer options, I will walk through each option, explain the reasoning, and clearly indicate which statements align with RED’s mechanisms and which do not.

This question has been regraded. Random Early Detection avoids congestion because it ...单项选择题

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