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DVA-C02 · Question #351

A developer has an application that asynchronously invokes an AWS Lambda function. The developer wants to store messages that resulted in failed invocations of the Lambda function so that the applicat

The correct answer is C. Implement a dead-letter queue for discarded messages. Set the dead-letter queue as an event. https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html#invocation-dlq

Submitted by neha2k· Mar 5, 2026Development with AWS Services

Question

A developer has an application that asynchronously invokes an AWS Lambda function. The developer wants to store messages that resulted in failed invocations of the Lambda function so that the application can retry the call later. What should the developer do to accomplish this goal with the LEAST operational overhead?

Options

  • ASet up Amazon CloudWatch Logs log groups to filter and store the messages in an Amazon S3
  • BConfigure Amazon EventBridge to send the messages to Amazon Simple Notification Service
  • CImplement a dead-letter queue for discarded messages. Set the dead-letter queue as an event
  • DSend Amazon EventBridge events to an Amazon Simple Queue Service (Amazon SQS) queue.

How the community answered

(15 responses)
  • A
    13% (2)
  • C
    80% (12)
  • D
    7% (1)

Explanation

https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html#invocation-dlq

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