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: Mar 20, 2026

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Question 1

A developer is working on an ecommerce website The developer wants to review server logs without loggingin to each of the application servers individually. The website runs on multiple Amazon EC2 instances, iswritten in Python, and needs to be highly availableHow can the developer update the application to meet these requirements with MINIMUM changes?

A : Rewrite the application to be cloud native and to run on AWS Lambda, where the logs can be reviewedin Amazon CloudWatch

B : Set up centralized logging by using Amazon OpenSearch Service, Logstash, and OpenSearchDashboards

C : Scale down the application to one larger EC2 instance where only one instance is recording logs

D : Install the unified Amazon CloudWatch agent on the EC2 instances Configure the agent to push theapplication logs to CloudWatch

Answer: D

Question 2

A company wants to use AWS AppConfig to gradually deploy a new feature to 15% of users to test the feature before a full deployment. Which solution will meet this requirement with the LEAST operational overhead?

A : Set up a custom script within the application to randomly select 15% of users. Assign a flag for the new feature to the selected users.

B : Create separate AWS AppConfig feature flags for both groups of users. Configure the flags to target 15% of users.

C : Create an AWS AppConfig feature flag. Define a variant for the new feature, and create a rule to target 15% of users.

D : Use AWS AppConfig to create a feature flag without variants. Implement a custom traffic splitting mechanism in the application code.

Answer: C

Question 3

A company has deployed an application on AWS Elastic Beanstalk. The company has configured the AutoScaling group that is associated with the Elastic Beanstalk environment to have five Amazon EC2 instances.If the capacity is fewer than four EC2 instances during the deployment, application performance degrades.The company is using the all-at-once deployment policy.What is the MOST cost-effective way to solve the deployment issue?

A : Change the Auto Scaling group to six desired instances.

B : Change the deployment policy to traffic splitting. Specify an evaluation time of 1 hour.

C : Change the deployment policy to rolling with additional batch. Specify a batch size of 1.

D : Change the deployment policy to rolling. Specify a batch size of 2.

Answer: C

Question 4

A company stores customer credit reports in an Amazon S3 bucket. An analytics service uses standardAmazon S3 GET requests to access the reports. A developer must implement a solution to redact personallyidentifiable information (PII) from the reports before the reports reach the analytics service.

A : Load the S3 objects into Amazon Redshift by using a COPY command. Implement dynamic data masking. Refactor the analytics service to read from Amazon Redshift.

B : Set up an S3 Object Lambda function. Attach the function to an S3 Object Lambda Access Point. Program the function to call a PII redaction API.

C : Use AWS Key Management Service (AWS KMS) to implement encryption in the S3 bucket. Re-upload all the existing S3 objects. Give the kms permission to the analytics service.

D : Create an Amazon Simple Notification Service (Amazon SNS) topic. Implement message data protection. Refactor the analytics service to publish data access requests to the SNS topic.

Answer: B

Question 5

A company is offering APIs as a service over the internet to provide unauthenticated read access to statisticalinformation that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop theAPIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.Which action can help the company achieve this goal?

A : Enable API caching in API Gateway.

B : Configure API Gateway to use an interface VPC endpoint.

C : Enable cross-origin resource sharing (CORS) for the APIs.

D : Configure usage plans and API keys in API Gateway.

Answer: A

Page: 1 / 110

Total 550 Questions | Updated On: Mar 20, 2026

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