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Amazon Web Services DVA-C02 Exam With Confidence Using Practice Dumps

Exam Code:
DVA-C02
Exam Name:
AWS Certified Developer - Associate
Certification:
AWS Certified Associate
Vendor:
Amazon Web Services
Questions:
425
Last Updated:
Jan 16, 2026
Exam Status:
Stable
Amazon Web Services DVA-C02

DVA-C02: AWS Certified Associate Exam 2025 Study Guide Pdf and Test Engine

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AWS Certified Developer - Associate Questions and Answers

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Question 1

A developer warns to add request validation to a production environment Amazon API Gateway API. The developer needs to test the changes before the API is deployed to the production environment. For the lest the developer will send test requests to the API through a testing tool.

Which solution will meet these requirements with the LEAST operational overhead?

Options:

A.

Export the existing API to an OpenAPI file. Create a new API Import the OpenAPI file Modify the new API to add request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

B.

Modify the existing API to add request validation. Deploy the updated API to a new API Gateway stage Perform the tests Deploy the updated API to the API Gateway production stage.

C.

Create a new API Add the necessary resources and methods including new request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

D.

Clone the exiting API Modify the new API lo add request validation. Perform the tests Modify the existing API to add request validation Deploy the existing API to production.

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Question 2

A developer has written a distributed application that uses micro services. The microservices are running on Amazon EC2 instances. Because of message volume, the developer is unable to match log output from each microservice to a specific transaction. The developer needs to analyze the message flow to debug the application.

Which combination of steps should the developer take to meet this requirement? (Select TWO.)

Options:

A.

Download the AWS X-Ray daemon. Install the daemon on an EC2 instance. Ensure that the EC2 instance allows UDP traffic on port 2000.

B.

Configure an interface VPC endpoint to allow traffic to reach the global AWS X-Ray daemon on TCP port 2000.

C.

Enable AWS X-Ray. Configure Amazon CloudWatch to push logs to X-Ray.

D.

Add the AWS X-Ray software development kit (SDK) to the microservices. Use X-Ray to trace requests that each microservice makes.

E.

Set up Amazon CloudWatch metric streams to collect streaming data from the microservices.

Question 3

A company operates a media streaming platform that delivers on-demand video content to users from around the world. User requests flow through an Amazon CloudFront distribution, an Amazon API Gateway REST API, AWS Lambda functions, and Amazon DynamoDB tables.

Some users have reported intermittent buffering issues and delays when users try to start a video stream. The company needs to investigate the issues to discover the underlying cause.

Which solution will meet this requirement?

Options:

A.

Enable AWS X-Ray tracing for the REST API, Lambda functions, and DynamoDB tables. Analyze the service map to identify any performance bottlenecks or errors.

B.

Enable logging in API Gateway. Ensure that each Lambda function is configured to send logs to Amazon CloudWatch. Use CloudWatch Logs Insights to query the log data.

C.

Use AWS Config to review details of any recent configuration changes to AWS resources in the application that could result in increased latency for users.

D.

Use AWS CloudTrail to track AWS resources in all AWS Regions. Stream CloudTrail data to an Amazon CloudWatch Logs log group. Enable CloudTrail Insights. Set up Amazon SN5 notifications if unusual API activity is detected.

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