AWS Certified Developer Associate DVA-C02 Practice Question
Upon observing fluctuations in the responsiveness and increased error responses of a recently deployed web service dashboard, what primary action should a developer take to acquire in-depth insights into the underlying problems causing these symptoms?
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Review specific log entries or trace data to identify error details and execution paths causing issues
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Initiate a support ticket with the cloud provider's technical support team
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Expand the compute and memory allocation for the service to handle a higher request load
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Roll back to an earlier version of the codebase before the appearance of the performance issues
The initial step in diagnosing issues shown by a service dashboard—like latency spikes or elevated error rates—is to examine detailed logs or trace data for the application. By inspecting logs, a developer can uncover precise error messages, stack traces, and context-rich entries that can pinpoint the cause of performance issues. Automatically scaling up resources could lower symptom visibility but doesn't identify the actual problem. Reviewing recent code deployment is useful, but the logs provide direct evidence of issues. AWS Support should be contacted only after internal investigation fails to resolve the issue.
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AWS Certified Developer Associate DVA-C02
Troubleshooting and Optimization
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