Free Amazon DVA-C02 Exam Questions

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

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Total 968 Questions | Updated On: Sep 11, 2025

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Question 1

An application that runs on AWS Lambda requires access to specific highly confidential objects in an Amazon S3 bucket. In accordance with the principle of least privilege a company grants access to the S3 bucket by using only temporary credentials. How can a developer configure access to the S3 bucket in the MOST secure way?

A : Hardcode the credentials that are required to access the S3 objects in the application code. Use the credentials to access the required S3 objects.

B : Create a secret access key and access key ID with permission to access the S3 bucket. Store the key and key ID in AWS Secrets Manager. Configure the application to retrieve the Secrets Manager secret and use the credentials to access the S3 objects.

C : Create a Lambda function execution role. Attach a policy to the role that grants access to specific objects in the S3 bucket.

D : Create a secret access key and access key ID with permission to access the S3 bucket. Store the key and key ID as environment variables in Lambda. Use the environment variables to access the required S3 objects.

Answer: C

Question 2

A Developer has recently created an application that uses an AWS Lambda function, an Amazon DynamoDB table, and also sends notifications using Amazon SNS. The application is not working as expected and the Developer needs to analyze what is happening across all components of the application.

What is the BEST way to analyze the issue?

A : eate an Amazon CloudWatch Events rule

B : ess the application with Amazon Inspector

C : able X-Ray tracing for the Lambda function

D : nitor the application with AWS Trusted Advisor

Answer: C

Question 3

A Developer manages a monitoring service for a fleet of IoT sensors in a major city. The monitoring application uses an Amazon Kinesis Data Stream with a group of EC2 instances processing the data. Amazon CloudWatch custom metrics show that the instances a reaching maximum processing capacity and there are insufficient shards in the Data Stream to handle the rate of data flow.

What course of action should the Developer take to resolve the performance issues?

A : crease the EC2 instance size and add shards to the stream

B : crease the number of open shards

C : crease the number of EC2 instances to match the number of shards

D : crease the EC2 instance size

Answer: A

Question 4

A developer works for a company that only has a single pre-production AWS account with an AWS CloudFormation AWS Serverless Application Model (AWS SAM) stack. The developer made changes to an existing AWS Lambda function specified in the AWS SAM template and additional Amazon Simple Notification service (Amazon SNS) topics.

The developer wants to do a one-time deploy of the changes to test if the changes are working. The developer does not want to impact the existing pre-production application that is currently being used by other team members as part of the release pipeline.

Which solution will meet these requirements?

A : Use the AWS SAM CLI to package and deploy the SAM application to the pre-production AWS account. Specify the debug parameter.

B : Use the AWS SAM CLI to package and create a change set against the pre-production AWS account. Execute the change set in a new AWS account designated for a development environment.

C : Use the AWS SAM CLI to package and deploy the SAM application to a new AWS account designated for a development environment.

D : Update the CloudFormation stack in the pre-production account. Add a separate stage that points to a new AWS account designated for a development environment.

Answer: C

Question 5

A Developer must run a shell script on Amazon EC2 Linux instances each time they are launched by an Amazon EC2 Auto Scaling group. What is the SIMPLEST way to run the script?

A : the script to the user data when creating the launch configuration

B : ckage the script in a zip file with some AWS Lambda source code. Upload to Lambda and run the function when instances are launched

C : n the script using the AWS Systems Manager Run Command

D : nfigure Amazon CloudWatch Events to trigger the AWS CLI when an instance is launched and run the script

Answer: A

Page: 1 / 194

Total 968 Questions | Updated On: Sep 11, 2025

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