Question 7 of 10Pro Only

What is a Dead Letter Queue and how do you use it?

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A Dead Letter Queue, or DLQ, is a special queue that receives messages that could not be processed correctly. It is a quarantine for problematic messages. A message can end up in the DLQ for several reasons. The message was explicitly rejected with a nack without requeue.

dead letter exchangenackTTLretrymonitoringquarantine

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