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Amazon Exam DVA-C02 Topic 4 Question 50 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 50
Topic #: 4
[All DVA-C02 Questions]

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 me applications. How should the developer identify and troubleshoot the root cause of the performance issues in production?

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Suggested Answer: C

This solution will meet the requirements by using AWS X-Ray to analyze and debug the performance issues with the distributed Lambda applications. AWS X-Ray is a service that collects data about requests that the applications serve, and provides tools to view, filter, and gain insights into that data. The developer can use AWS X-Ray to identify the root cause of the performance issues by examining the segments and errors that show the details of each request and the components that make up the applications. Option A is not optimal because it will use logging statements and Amazon CloudWatch, which may not provide enough information or visibility into the distributed applications. Option B is not optimal because it will use AWS CloudTrail, which is a service that records API calls and events for AWS services, not application performance data. Option D is not optimal because it will use Amazon Inspector, which is a service that helps improve the security and compliance of applications on Amazon EC2 instances, not Lambda functions.


Contribute your Thoughts:

Micaela
22 hours ago
I'd have to disagree with Krissy. Option A is the way to go here. Logging is always the first step, and CloudWatch makes it easy to view and analyze those logs.
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Claudia
23 hours ago
I personally prefer option D. Running Amazon inspector agents can provide a comprehensive analysis of performance.
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Mollie
8 days ago
That's a good point, Denny. AWS X-Ray can definitely help pinpoint the root cause of performance issues.
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Krissy
13 days ago
Definitely go with option C. AWS X-Ray is the way to go for tracing and troubleshooting distributed applications like these. The segments and errors it provides are invaluable.
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Denny
22 days ago
I disagree, I believe option C is better. AWS X-Ray provides detailed insights into the performance of distributed applications.
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Mollie
29 days ago
I think option A is the best choice. Adding logging statements can help track down performance issues.
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