DVA-C02 (Page 23)

A developer is creating a service that uses an Amazon S3 bucket for image uploads.The service will use an AWS Lambda function to create a thumbnail of each image.Each time an image is uploaded, the service needs to send an email notification and create the thumbnail.The developer needs to configure the image processing and email notifications setup.Which solution will meet these requirements?Read More →

A developer is planning to use an Amazon API Gateway and AWS Lambda to provide a REST API.The developer will have three distinct environments to manage: development, test, and production.How should the application be deployed while minimizing the number of resources to manage?Read More →

A developer is creating an AWS Lambda function that will connect to an Amazon RDS for MySQL instance.The developer wants to store the database credentials.The database credentials need to be encrypted and the database password needs to be automatically rotated.Which solution will meet these requirements?Read More →

A developer wants to reduce risk when deploying a new version of an existing AWS Lambda function.To test the Lambda function, the developer needs to split the traffic between the existing version and the new version of the Lambda function.Which solution will meet these requirements?Read More →

A company has a three-tier application that is deployed in Amazon Elastic Container Service (Amazon ECS).The application is using an Amazon RDS for MySQL DB instance.The application performs more database reads than writes.During times of peak usage, the application’s performance degrades.When this performance degradation occurs, the DB instance’s ReadLatency metric in Amazon CloudWatch increases suddenly.How should a developer modify the application to improve performance?Read More →

A developer is working on an application that is deployed on an Amazon EC2 instance.The developer needs a solution that will securely transfer files from the application to an Amazon S3 bucket.What should the developer do to meet these requirements in the MOST secure way?Read More →

A company recently deployed an AWS Lambda function.A developer notices an increase in the function throttle metrics in Amazon CloudWatch.What are the MOST operationally efficient solutions to reduce the function throttling? (Choose two.)Read More →

A company is creating a REST service using an Amazon API Gateway with AWS Lambda integration.The service must run different versions for testing purposes.What would be the BEST way to accomplish this?Read More →

A company is using AWS CodePipeline to deliver one of its applications.The delivery pipeline is triggered by changes to the main branch of an AWS CodeCommit repository and uses AWS CodeBuild to implement the test and build stages of the process and AWS CodeDeploy to deploy the application.The pipeline has been operating successfully for several months and there have been no modifications.Following a recent change to the application’s source code, AWS CodeDeploy has not deployed the updated application as expected.What are the possible causes? (Choose two.)Read More →

An AWS Lambda function is running in a company’s shared AWS account.The function needs to perform an additional ec2:DescribeInstances action that is directed at the company’s development accounts.A developer must configure the required permissions across the accounts.How should the developer configure the permissions to adhere to the principle of least privilege?Read More →