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Answer: Set up Dead Letter Queues with Amazon SQS to capture and investigate unprocessed events.
The correct answer is B. In AWS Lambda, Dead Letter Queues (DLQ) can be configured to capture events that couldn't be processed successfully after a specified number of retries. By setting up a DLQ with Amazon SQS, failed events will be sent to the SQS queue, allowing you to investigate and analyze the reasons for the failures.
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How can a developer troubleshoot an AWS Lambda function that fails to process events after two asynchronous retries?
A
Enable AWS CloudTrail logging for invocation failure analysis.
B
Set up Dead Letter Queues with Amazon SQS to capture and investigate unprocessed events.
C
Utilize Amazon Simple Workflow Service for handling direct unprocessed events.
D
Implement AWS Config to manage and examine unprocessed events.
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