100% Free Amazon DVA-C02 Practice Test Questions and Answers 2026

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Total 607 Questions | Updated On: May 22, 2026

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Question 1

A company has a serverless application that uses Amazon API Gateway and AWS Lambda functions to expose a RESTful API. The company uses a continuous integration and continuous delivery (CI/CD) workflow to deploy the application to multiple environments. The company wants to implement automated integration tests after deployment. A developer needs to set up the necessary infrastructure and processes to automate the deployment and integration tests for the serverless application.

A : Configure API Gateway stages to represent each application environment. Use AWS SAM templates to manage the infrastructure for the Lambda functions and API resources. Use AWS CodeBuild to implement automated deployment tests to validate the deployments in each stage.

B : Configure API Gateway stages to represent each application environment. Use AWS CloudFormation to manage the infrastructure for the Lambda functions and API resources. Use AWS CodeBuild to implement automated deployment tests to validate the deployments in each stage.

C : Use AWS CodePipeline to create a CI/CD pipeline. Configure API Gateway stages to represent each application environment. Use AWS CloudFormation templates to manage the infrastructure for the Lambda functions and API resources. Use AWS CodeBuild to implement automated deployment tests to validate the deployments in each stage.

D : Use AWS CloudFormation to create and deploy the application infrastructure in each application environment. Use the AWS CLI to invoke Lambda functions to perform deployment tests after each deployment.

Answer: C

Question 2

A company runs an ecommerce application on AWS. The application stores data in an Amazon Aurora database.

A developer is adding a caching layer to the application. The caching strategy must ensure that the application always uses the most recent value for each data item.

Which caching strategy will meet these requirements?

A : Implement a TTL strategy for every item that is saved in the cache.

B : Implement a write-through strategy for every item that is created and updated.

C : Implement a lazy loading strategy for every item that is loaded.

D : Implement a read-through strategy for every item that is loaded.

Answer: B

Question 3

You team maintains a public API Gateway that is accessed by clients from another domain. Usage has been consistent for the last few months but recently it has more than doubled. As a result, your costs have gone up and would like to prevent other unauthorized domains from accessing your API.

Which of the following actions should you take?

A : Use Mapping Templates

B : Restrict access by using CORS

C : Use Account-level throttling

D : Assign a Security Group to your API Gateway

Answer: B

Question 4

A company uses Amazon Simple Email Service (SES) to cost-effectively send susbscription emails to the customers. Intermittently, the SES service throws the error: Throttling – Maximum sending rate exceeded.

As a developer associate, which of the following would you recommend to fix this issue?

A : Raise a service request with Amazon to increase the throttling limit for the SES API

B : Implement retry mechanism for all 4xx errors to avoid throttling error

C : Configure Timeout mechanism for each request made to the SES service

D : Use Exponential Backoff technique to introduce delay in time before attempting to execute the operation again

Answer: D

Question 5

An organization is storing large files in Amazon S3, and is writing a web application to display meta-data about the files to end-users. Based on the metadata a user selects an object to download. The organization needs a mechanism to index the files and provide single-digit millisecond latency retrieval for the metadata.

What AWS service should be used to accomplish this?

A : Amazon DynamoDB

B : Amazon EC2

C : AWS Lambda

D : Amazon RDS

Answer: A

Page: 1 / 122

Total 607 Questions | Updated On: May 22, 2026

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