DVA-C02 (Page 19)

A company is migrating legacy internal applications to AWS.Leadership wants to rewrite the internal employee directory to use native AWS services.A developer needs to create a solution for storing employee contact details and high-resolution photos for use with the new application.Which solution will enable the search and retrieval of each employee’s individual details and high-resolution photos using AWS APIs?Read More →

A developer needs to use a code template to create an automated deployment of an application onto Amazon EC2 instances.The template must be configured to repeat deployment, installation, and updates of resources for the application.The template must be able to create identical environments and roll back to previous versions.Which solution will meet these requirements?Read More →

A developer is setting up AWS CodePipeline for a new application.During each build, the developer must generate a test report.Which solution will meet this requirement?Read More →

A developer builds a serverless application on AWS by using Amazon API Gateway, AWS Lambda functions, and Amazon Route 53.During testing, the developer notices errors but cannot immediately locate the root cause.To identify the errors, the developer needs to search all the application’s logs.What should the developer do to meet these requirements with the LEAST operational overhead?Read More →

A developer creates an Amazon DynamoDB table.The table has OrderID as the partition key and NumberOfItemsPurchased as the sort key.The data type of the partition key and the sort key is Number.When the developer queries the table, the results are sorted by NumberOfItemsPurchased in ascending order.The developer needs the query results to be sorted by NumberOfItemsPurchased in descending order.Which solution will meet this requirement?Read More →

A company runs a critical application on Amazon Elastic Container Service (Amazon ECS) by using Amazon EC2 instances.The company needs to migrate the application to Amazon ECS on AWS Fargate.A developer is configuring Fargate and the ECS capacity providers to make the change.Which solution will meet these requirements with the LEAST downtime during migration?Read More →

A developer has an application that uses an Amazon DynamoDB table with a configured local secondary index (LSI).During application testing, the DynamoDB table metrics report a ProvisionedThroughputExceededException error message.The number of requests made by the test suite did not exceed the table’s provisioned capacity limits.What is the cause of this issue?Read More →

A company maintains a REST service using Amazon API Gateway and the API Gateway native API key validation.The company recently launched a new registration page, which allows users to sign up for the service.The registration page creates a new API key using CreateApiKey and sends the new key to the user.When the user attempts to call the API using this key, the user receives a 403 Forbidden error.Existing users are unaffected and can still call the API.What code updates will grant these new users access to the API?Read More →

A company has a web application that contains an Amazon API Gateway REST API.A developer has created an AWS CloudFormation template for the initial deployment of the application.The developer has deployed the application successfully as part of an AWS CodePipeline continuous integration and continuous delivery (CI/CD) process.All resources and methods are available through the deployed stage endpoint.The CloudFormation template contains the following resource types:• AWS::ApiGateway::RestApi• AWS::ApiGateway::Resource• AWS::ApiGateway::Method• AWS::ApiGateway::Stage• AWS::ApiGateway::DeploymentThe developer adds a new resource to the REST API with additional methods and redeploys the template.CloudFormation reports that the deployment is successful and that the stack is in the UPDATE_COMPLETE state.However, calls to all new methods are returning 404 (Not Found) errors.What should the developer do to make the new methods available?Read More →

A company has a serverless application that uses Amazon API Gateway backed by AWS Lambda proxy integration.The company is developing several backend APIs.The company needs a landing page to provide an overview of navigation to the APIs.A developer creates a new/LandingPage resource and a new GET method that uses mock integration.What should the developer do next to meet these requirements?Read More →