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Free AWS Certified Developer Associate Exam Braindumps
AWS Certified Developer - Associate DVA-C02 Questions 116–120 (page: 25)

Updated On: 10-Feb-2026
Page 25 of 113
PDF with 610 Questions

A company has hundreds of AWS Lambda functions that the company's QA team needs to test by using the Lambda function URLs. A developer needs to configure the authentication of the Lambda functions to allow access so that the QA IAM group can invoke the Lambda functions by using the public URLs.
Which solution will meet these requirements?

  1. Create a CLI script that loops on the Lambda functions to add a Lambda function URL with the AWS_IAM auth type. Run another script to create an IAM identity-based policy that allows the lambda:InvokeFunctionUrl action to all the Lambda function Amazon Resource Names (ARNs). Attach the policy to the QA IAM group.
  2. Create a CLI script that loops on the Lambda functions to add a Lambda function URL with the NONE auth type. Run another script to create an IAM resource-based policy that allows the lambda:InvokeFunctionUrl action to all the Lambda function Amazon Resource Names (ARNs). Attach the policy to the QA IAM group.
  3. Create a CLI script that loops on the Lambda functions to add a Lambda function URL with the AWS_IAM auth type. Run another script to loop on the Lambda functions to create an IAM identity-based policy that allows the lambda:InvokeFunctionUrl action from the QA IAM group's Amazon Resource Name (ARN).
  4. Create a CLI script that loops on the Lambda functions to add a Lambda function URL with the NONE auth type. Run another script to loop on the Lambda functions to create an IAM resource-based policy that allows the lambda:InvokeFunctionUrl action from the QA IAM group's Amazon Resource Name (ARN).

Answer(s): A



A developer maintains a critical business application that uses Amazon DynamoDB as the primary data store. The DynamoDB table contains millions of documents and receives 30-60 requests each minute. The developer needs to perform processing in near-real time on the documents when they are added or updated in the DynamoDB table.
How can the developer implement this feature with the LEAST amount of change to the existing application code?

  1. Set up a cron job on an Amazon EC2 instance. Run a script every hour to query the table for changes and process the documents.
  2. Enable a DynamoDB stream on the table. Invoke an AWS Lambda function to process the documents.
  3. Update the application to send a PutEvents request to Amazon EventBridge. Create an EventBridge rule to invoke an AWS Lambda function to process the documents.
  4. Update the application to synchronously process the documents directly after the DynamoDB write.

Answer(s): B



A developer is writing an application for a company. The application will be deployed on Amazon EC2 and will use an Amazon RDS for Microsoft SQL Server database. The company's security team requires that database credentials are rotated at least weekly.
How should the developer configure the database credentials for this application?

  1. Create a database user. Store the user name and password in an AWS Systems Manager Parameter Store secure string parameter. Enable rotation of the AWS Key Management Service (AWS KMS) key that is used to encrypt the parameter.
  2. Enable IAM authentication for the database. Create a database user for use with IAM authentication. Enable password rotation.
  3. Create a database user. Store the user name and password in an AWS Secrets Manager secret that has daily rotation enabled.
  4. Use the EC2 user data to create a database user. Provide the user name and password in environment variables to the application.

Answer(s): C



A real-time messaging application uses Amazon API Gateway WebSocket APIs with backend HTTP service. A developer needs to build a feature in the application to identify a client that keeps connecting to and disconnecting from the WebSocket connection. The developer also needs the ability to remove the client.
Which combination of changes should the developer make to the application to meet these requirements? (Choose two.)

  1. Switch to HTTP APIs in the backend service.
  2. Switch to REST APIs in the backend service.
  3. Use the callback URL to disconnect the client from the backend service.
  4. Add code to track the client status in Amazon ElastiCache in the backend service.
  5. Implement $connect and $disconnect routes in the backend service.

Answer(s): D,E



A developer has written code for an application and wants to share it with other developers on the team to receive feedback. The shared application code needs to be stored long-term with multiple versions and batch change tracking.
Which AWS service should the developer use?

  1. AWS CodeBuild
  2. Amazon S3
  3. AWS CodeCommit
  4. AWS Cloud9

Answer(s): C



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