Free Amazon DVA-C02 Exam Questions

Question 1

A developer needs to give a new application the ability to retrieve configuration data. The application must be able to retrieve new configuration data values without the need to redeploy the application code. If the application becomes unhealthy because of a bad configuration change, the developer must be able to automatically revert the configuration change to the previous value.

A : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule that has remediation actions to track changes in the application and to roll back any bad configuration changes.

B : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule. Attach a custom AWS Systems Manager document to the rule that automatically rolls back any bad configuration changes.

C : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up an alarm to automatically roll back any bad configuration changes.

D : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up CloudWatch Application Signals to roll back any bad configuration changes.

Answer: D

Question 2

You are working with a t2.small instance bastion host that has the AWS CLI installed to help manage all the AWS services installed on it. You would like to know the security group and the instance id of the current instance.

Which of the following will help you fetch the needed information?

A : Create an IAM role and attach it to your EC2 instance that helps you perform a 'describe' API call

B : Query the metadata at http://169.254.169.254/latest/meta-data

C : Query the user data at http://254.169.254.169/latest/meta-data

D : Query the user data at http://169.254.169.254/latest/user-data

Answer: B

Question 3

A company needs a fully-managed source control service that will work in AWS. The service must ensure that revision control synchronizes multiple distributed repositories by exchanging sets of changes peer-to-peer. All users need to work productively even when not connected to a network.

Which source control service should be used?

A : CodeStar

B : bversion

C : CodeCommit

D : CodeBuild

Answer: C

Question 4

A Developer is creating an AWS Lambda function that generates a new file each time it runs. Each new file must be checked into an AWS CodeCommit repository hosted in the same AWS account.

How should the Developer accomplish this?

A : ter the new file is created in Lambda, use cURL to invoke the CodeCommit API. Send the file to the repository

B : load the new file to an Amazon S3 bucket. Create an AWS Step Function to accept S3 events. In the Step Function, add the new file to the repository

C : en the Lambda function starts, use the Git CLI to clone the repository. Check the new file into the cloned repository and push the change

D : an AWS SDK to instantiate a CodeCommit client. Invoke the put_file method to add the file to the repository

Answer: D

Question 5

A developer needs to give a new application the ability to retrieve configuration data. The application must be able to retrieve new configuration data values without the need to redeploy the application code. If the application becomes unhealthy because of a bad configuration change, the developer must be able to automatically revert the configuration change to the previous value.

A : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule that has remediation actions to track changes in the application and to roll back any bad configuration changes.

B : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule. Attach a custom AWS Systems Manager document to the rule that automatically rolls back any bad configuration changes.

C : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up an alarm to automatically roll back any bad configuration changes.

D : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up CloudWatch Application Signals to roll back any bad configuration changes.

Answer: D