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Amazon DVA-C01 Exam Questions
AWS Certified Developer - Associate DVA-C02 (Page 19 )

Updated On: 14-Mar-2026
Page 19 of 113
PDF with 544 Questions

A developer is implementing an AWS Cloud Development Kit (AWS CDK) serverless application. The developer will provision several AWS Lambda functions and Amazon API Gateway APIs during AWS CloudFormation stack creation. The developer's workstation has the AWS Serverless Application Model (AWS SAM) and the AWS CDK installed locally.
How can the developer test a specific Lambda function locally?

  1. Run the sam package and sam deploy commands. Create a Lambda test event from the AWS Management Console. Test the Lambda function.
  2. Run the cdk synth and cdk deploy commands. Create a Lambda test event from the AWS Management Console. Test the Lambda function.
  3. Run the cdk synth and sam local invoke commands with the function construct identifier and the path to the synthesized CloudFormation template.
  4. Run the cdk synth and sam local start-lambda commands with the function construct identifier and the path to the synthesized CloudFormation template.

Answer(s): C



A company's new mobile app uses Amazon API Gateway. As the development team completes a new release of its APIs, a developer must safely and transparently roll out the API change.
What is the SIMPLEST solution for the developer to use for rolling out the new API version to a limited number of users through API Gateway?

  1. Create a new API in API Gateway. Direct a portion of the traffic to the new API using an Amazon Route 53 weighted routing policy.
  2. Validate the new API version and promote it to production during the window of lowest expected utilization.
  3. Implement an Amazon CloudWatch alarm to trigger a rollback if the observed HTTP 500 status code rate exceeds a predetermined threshold.
  4. Use the canary release deployment option in API Gateway. Direct a percentage of the API traffic using the canarySettings setting.

Answer(s): D



A company caches session information for a web application in an Amazon DynamoDB table. The company wants an automated way to delete old items from the table.
What is the simplest way to do this?

  1. Write a script that deletes old records; schedule the script as a cron job on an Amazon EC2 instance.
  2. Add an attribute with the expiration time; enable the Time To Live feature based on that attribute.
  3. Each day, create a new table to hold session data; delete the previous day's table.
  4. Add an attribute with the expiration time; name the attribute ItemExpiration.

Answer(s): B



A company is using an Amazon API Gateway REST API endpoint as a webhook to publish events from an on-premises source control management (SCM) system to Amazon EventBridge. The company has configured an EventBridge rule to listen for the events and to control application deployment in a central AWS account. The company needs to receive the same events across multiple receiver AWS accounts.
How can a developer meet these requirements without changing the configuration of the SCM system?

  1. Deploy the API Gateway REST API to all the required AWS accounts. Use the same custom domain name for all the gateway endpoints so that a single SCM webhook can be used for all events from all accounts.
  2. Deploy the API Gateway REST API to all the receiver AWS accounts. Create as many SCM webhooks as the number of AWS accounts.
  3. Grant permission to the central AWS account for EventBridge to access the receiver AWS accounts. Add an EventBridge event bus on the receiver AWS accounts as the targets to the existing EventBridge rule.
  4. Convert the API Gateway type from REST API to HTTP API.

Answer(s): C



A company moved some of its secure files to a private Amazon S3 bucket that has no public access. The company wants to develop a serverless application that gives its employees the ability to log in and securely share the files with other users.
Which AWS feature should the company use to share and access the files securely?

  1. Amazon Cognito user pool
  2. S3 presigned URLs
  3. S3 bucket policy
  4. Amazon Cognito identity pool

Answer(s): B



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