Exam DVA-C02 Topic 3 Question 380 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 380
Topic #: 3
A developer created an AWS Lambda function that performs a series of operations that involve multiple AWS services. The function's duration time is higher than normal. To determine the cause of the issue, the developer must investigate traffic between the services without changing the function code Which solution will meet these requirements?

Suggested Answer: A Vote an answer

* Tracing Distributed Systems: AWS X-Ray is designed to trace requests across services, helping identify bottlenecks in distributed applications like this one.
* No Code Changes: Enabling X-Ray tracing often requires minimal code changes, meeting the requirement.
* Identifying Bottlenecks: Analyzing X-Ray traces and logs will reveal latency in communications between different AWS services, leading to the high duration time.
References:
* AWS X-Ray: https://aws.amazon.com/xray/
* X-Ray and Lambda: https://docs.aws.amazon.com/xray/latest/devguide/xray-services-lambda.html

by Myron at Oct 30, 2025, 03:13 AM

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