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Which Azure pattern lets a function consume messages from a Service Bus queue while gracefully handling temporary downstream errors with retry-with-backoff?
ADrop messages that fail once
BManually re-running failed messages by hand
CService Bus trigger with built-in delivery retry, plus a max-delivery-count routing failed messages to a dead-letter queue (DLQ)
DDisable the function on first failure
Answer & Solution
Correct answer: C. Service Bus trigger with built-in delivery retry, plus a max-delivery-count routing failed messages to a dead-letter queue (DLQ)
Service Bus retries + DLQ is the textbook pattern. Manual retries don't scale; dropping messages loses data; disabling functions creates outage.
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