Developer Associate (Page 51)

A developer is troubleshooting an Amazon API Gateway API.Clients are receiving HTTP 400 response errors when the clients try to access an endpoint of the API.How can the developer determine the cause of these errors?Read More →

A company has a social media application that receives large amounts of traffic.User posts and interactions are continuously updated in an Amazon RDS database.The data changes frequently, and the data types can be complex.The application must serve read requests with minimal latency.The application’s current architecture struggles to deliver these rapid data updates efficiently.The company needs a solution to improve the application’s performance.Which solution will meet these requirements?Read More →

Deploy the image to the production Amazon Elastic Container Service (Amazon ECS) cluster by using AWS CodeDeploy.Recently, the CodeDeploy deployments began failing in Stage 4.The deployments are unable to perform rollbacks.The developer must minimize the number of failures that reach production without slowing down the pipeline.Which solution will meet these requirements?Read More →

A developer created an AWS Lambda function that performs a series of operations that involve multiple AWS services.The function’s duration time is higher than normal.To determine the cause of the issue, the developer must investigate traffic between the services without changing the function code.Which solution will meet these requirements?Read More →

A developer is preparing a containerized application for deployment to AWS Lambda.The developer wants to build and optimize the container images to reduce duplicate work and improve build, deploy, and update times.Which combination of steps should the developer take to meet these requirements? (Choose two.)Read More →

A company has on-premises data centers that run an image processing service.The service consists of containerized applications that run on Kubernetes clusters.All the applications have access to the same NFS share for files and data storage.The company is running out of NFS capacity in the data centers and needs to migrate to AWS as soon as possible.The Kubernetes clusters must be highly available on AWS.Which combination of actions will meet these requirements? (Choose two.)Read More →

A developer is using AWS Amplify Hosting to build and deploy an application.The developer is receiving an increased number of bug reports from users.The developer wants to add end-to-end testing to the application to eliminate as many bugs as possible before the bugs roach production.Which solution should the developer implement to meet these requirements?Read More →

A company has an analytics application that uses an AWS Lambda function to process transaction data asynchronously.A developer notices that asynchronous invocations of the Lambda function sometimes fail.When failed Lambda function invocations occur, the developer wants to invoke a second Lambda function to handle errors and log details.Which solution will meet these requirements?Read More →

A Development team decides to adopt a continuous integration/continuous delivery (CI/CD) process using AWS CodePipeline and AWS CodeCommit for a new application.However, management wants a person to review and approve the code before it is deployed to production.How can the Development team add a manual approver to the CI/CD pipeline?Read More →

A company introduced a new feature that should be accessible to only a specific group of premium customers.A developer needs the ability to turn the feature on and off in response to performance and feedback.The developer needs a solution to validate and deploy these configurations quickly without causing any disruptions.What should the developer do to meet these requirements?Read More →