Free Amazon DVA-C02 Exam Questions

Become Amazon Certified with updated DVA-C02 exam questions and correct answers

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Total 550 Questions | Updated On: Apr 16, 2026

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Question 1

A developer is setting up AWS CodePipeline for a new application. During each build, the developer mustgenerate a test report.Which solution will meet this requirement?

A : Create an AWS CodeBuild build project that runs tests. Configure the buildspec file with the test reportinformation.

B : Create an AWS CodeDeploy deployment that runs tests. Configure the AppSpec file with the test reportinformation.

C : Run the builds on an Amazon EC2 instance that has AWS Systems Manager Agent (SSM Agent)installed and activated.

D : Create a repository in AWS CodeArtifact. Select the test report template.

Answer: A

Question 2

A company has an application that uses an AWS Lambda function to process customer orders. The companynotices that the application processes some orders more than once.A developer needs to update the application to prevent duplicate processing.Which solution will meet this requirement with the LEAST implementation effort?

A : Implement a de-duplication mechanism that uses Amazon DynamoDB as the control database.Configure the Lambda function to check for the existence of a unique identifier before processing eachevent.

B : Create a custom Amazon ECS task to perform idempotency checks. Use AWS Step Functions tointegrate the ECS task with the Lambda function.

C : Configure the Lambda function to retry failed invocations. Implement a retry mechanism that has afixed delay between attempts to handle duplicate events.

D : Use Amazon Athena to query processed events to identify duplicate records. Add processing logic tothe Lambda function to handle the duplication scenarios that the query identifies.

Answer: A

Question 3

A developer is designing a fault-tolerant environment where client sessions will be saved.How can the developer ensure that no sessions are lost if an Amazon EC2 instance fails?

A : Use sticky sessions with an Elastic Load Balancer target group.

B : Use Amazon SOS to save session data.

C : Use Amazon DynamoDB to perform scalable session handling.

D : Use Elastic Load Balancer connection draining to stop sending requests to failing instances.

Answer: C

Question 4

A developer created a Node.js-based AWS Lambda function by using a container image of an AWS OS-onlybase image. There is a new security patch for Node.js that must be patched to the new Lambda function.Which solution will meet this requirement?

A : Set the runtime update mode of the Lambda function to Auto.

B : Patch the runtime version by redeploying the same version of the Lambda function.

C : Rebuild the Lambda container code with the latest version of the AWS OS base image. Publish a newversion of the Lambda function.

D : Rebuild the Lambda container code with the latest Node.js patch version. Publish a new version of theLambda function.

Answer: D

Question 5

A developer is troubleshooting an application mat uses Amazon DynamoDB in the uswest-2 Region. Theapplication is deployed to an Amazon EC2 instance. The application requires read-only permissions to a tablethat is named Cars The EC2 instance has an attached IAM role that contains the following IAM policy.When the application tries to read from the Cars table, an Access Denied error occurs.How can the developer resolve this error?

A : Modify the IAM policy resource to be " arn aws dynamo* us-west-2 account-id table/* "

B : Modify the IAM policy to include the dynamodb * action

C : Create a trust policy that specifies the EC2 service principal. Associate the role with the policy.

D : Create a trust relationship between the role and dynamodb Amazonas com.

Answer: C

Page: 1 / 110

Total 550 Questions | Updated On: Apr 16, 2026

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