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 01, 2026

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Question 1

A developer is building an application on AWS. The application has an Amazon API Gateway API that sendsrequests to an AWS Lambda function. The API is experiencing increased latency because the Lambdafunction has limited available CPU to fulfill the requests.Before the developer deploys the API into production, the developer must configure the Lambda function tohave more CPU.Which solution will meet this requirement?

A : Increase the virtual CPU (vCPU) cores quota of the Lambda function.

B : Increase the amount of memory that is allocated to the Lambda function.

C : Increase the ephemeral storage size of the Lambda function.

D : Increase the timeout value of the Lambda function.

Answer: B

Question 2

A developer is using AWS Amplify Hosting to build and deploy an application. The developer is receiving anincreased number of bug reports from users. The developer wants to add end-to-end testing to the applicationto eliminate as many bugs as possible before the bugs reach production.Which solution should the developer implement to meet these requirements?

A : Run the amplify add test command in the Amplify CLI.

B : Create unit tests in the application. Deploy the unit tests by using the amplify push command in theAmplify CLI.

C : Add a test phase to the amplify.yml build settings for the application.

D : Add a test phase to the aws-exports.js file for the application.

Answer: C

Question 3

A company is migrating its PostgreSQL database into the AWS Cloud. The company wants to use a databasethat will secure and regularly rotate database credentials. The company wants a solution that does not requireadditional programming overhead.Which solution will meet these requirements?

A : Use Amazon Aurora PostgreSQL tor the database. Store the database credentials in AWS SystemsManager Parameter Store Turn on rotation.

B : Use Amazon Aurora PostgreSQL for the database. Store the database credentials in AWS SecretsManager Turn on rotation.

C : Use Amazon DynamoDB for the database. Store the database credentials in AWS Systems ManagerParameter Store Turn on rotation.

D : Use Amazon DynamoDB for the database. Store the database credentials in AWS Secrets ManagerTurn on rotation.

Answer: B

Question 4

A company has an application that consists of different microservices that run inside an AWS account. Themicroservices are running in containers inside a single VPC. The number of microservices is constantlyincreasing. A developer must create a central logging solution for application logs.Which solution will meet these requirements?

A : Create a different Amazon CloudWatch Logs stream for each microservice.

B : Create an AWS CloudTrail trail to log all the API calls.

C : Configure VPC Flow Logs to track the communications between the microservices.

D : Use AWS Cloud Map to map the interactions of the microservices.

Answer: A

Question 5

An application resizes images that are uploaded to an Amazon S3 bucket. Amazon S3 event notifications are used to trigger an AWS Lambda function that resizes the images. The processing time for each image is less than one second. A large amount of images are expected to be received in a short burst of traffic. How will AWS Lambda accommodate the workload?

A : mbda will collect and then batch process the images in a single execution

B : mbda will scale the memory allocated to the function to increase the amount of CPU available to process many images

C : mbda will process the images sequentially in the order they are received

D : mbda will scale out and execute the requests concurrently

Answer: D

Page: 1 / 110

Total 550 Questions | Updated On: Apr 01, 2026

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