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DVA-C02 · Question #175

A developer must analyze performance issues with production-distributed applications written as AWS Lambda functions. These distributed Lambda applications invoke other components that make up the app

The correct answer is C. Use AWS X-Ray, then examine the segments and errors.. AWS X-Ray is the best tool for identifying and addressing the root cause of performance issues in distributed production applications. X-Ray provides an overview of the entire call stack, including the Lambda functions and other components they invoke.

Submitted by mike_84· Mar 5, 2026Monitoring and Troubleshooting

Question

A developer must analyze performance issues with production-distributed applications written as AWS Lambda functions. These distributed Lambda applications invoke other components that make up the applications. How should the developer identify and troubleshoot the root cause of the performance issues in production?

Options

  • AAdd logging statements to the Lambda functions, then use Amazon CloudWatch to view the logs.
  • BUse AWS CloudTrail and then examine the logs.
  • CUse AWS X-Ray, then examine the segments and errors.
  • DRun Amazon Inspector agents and then analyze performance.

How the community answered

(42 responses)
  • A
    7% (3)
  • B
    5% (2)
  • C
    76% (32)
  • D
    12% (5)

Explanation

AWS X-Ray is the best tool for identifying and addressing the root cause of performance issues in distributed production applications. X-Ray provides an overview of the entire call stack, including the Lambda functions and other components they invoke.

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