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AWS Certified Solutions Architect study material · question 182 of 500

After fixing the fault that sent messages to a dead-letter queue, how are those messages returned for processing?

  1. By lowering the source queue's visibility timeout
  2. They cannot be returned and must be republished by the producer
  3. Using dead-letter queue redrive
  4. By purging the dead-letter queue
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Answer: C. Using dead-letter queue redrive

Redrive is the mechanism for moving messages back out of a dead-letter queue once the underlying problem is resolved.

Source: Using dead-letter queues in Amazon SQS (Amazon Web Services) — Using dead-letter queues in Amazon SQS

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