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AWS Certified Solutions Architect study material · question 179 of 500

Which two constraints apply to an SQS dead-letter queue? Choose two.

  1. It must have a longer visibility timeout than the source queue
  2. It has to sit in the same account and the same Region as its source queue
  3. It must be created as an ordinary queue before being nominated
  4. It must be a FIFO queue regardless of the source queue type
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Answer: B. It has to sit in the same account and the same Region as its source queue
C. It must be created as an ordinary queue before being nominated

A dead-letter queue is an ordinary queue in the same account and Region that a redrive policy then names as the target.

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

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