While troubleshooting latency, engineers determine they must replay failed SQS messages after fix. Which action is appropriate? replay failed SQS messages after fix.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
DLQs isolate poison messages for analysis.
Correct answer(s): b. SQS dead-letter queues
Exam domain: Domain 4: Troubleshooting and Optimization (18% weight on the official guide).
Official documentation & study links
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