Amazon Exam DVA-C02 Topic 1 Question 7 Discussion

Actual exam question for Amazon's DVA-C02 exam

Question #: 7
Topic #: 1

An ecommerce company is using an AWS Lambda function behind Amazon API Gateway as its application tier. To process orders during checkout, the application calls a POST API from the frontend. The POST API invokes the Lambda function asynchronously. In rare situations, the application has not processed orders. The Lambda application logs show no errors or failures.

What should a developer do to solve this problem?

AInspect the frontend logs for API failures. Call the POST API manually by using the requests from the log file.

BCreate and inspect the Lambda dead-letter queue. Troubleshoot the failed functions. Reprocess the events.

CInspect the Lambda logs in Amazon CloudWatch for possible errors. Fix the errors.

DMake sure that caching is disabled for the POST API in API Gateway.

Show Suggested Answer

Suggested Answer: B

by Levi at Mar 31, 2023, 07:35 PM

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