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What is the purpose of a dead letter queue?

  1. A Capturing messages that repeatedly fail processing so they are neither lost nor retried forever
  2. B Storing successfully processed messages
  3. C Prioritising urgent messages
  4. D Archiving old messages
Answer

Capturing messages that repeatedly fail processing so they are neither lost nor retried forever

Without one, a poison message either blocks the queue or is silently discarded, and the failure is invisible.

All AWS MCQs

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