Developer Associate (Page 24)

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 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 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 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 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 →

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 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 →

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 data visualization company wants to strengthen the security of its core applications.The applications are deployed on AWS across its development, staging, pre-production, and production environments.The company needs to encrypt all of its stored sensitive credentials.The sensitive credentials need to be automatically rotated.A version of the sensitive credentials need to be stored for each environment.Which solution will meet these requirements in the MOST operationally efficient way?Read More →

A developer has an application container, an AWS Lambda function, and an Amazon Simple Queue Service (Amazon SQS) queue.The Lambda function uses the SQS queue as an event source.The Lambda function makes a call to a third-party machine learning API when the function is invoked.The response from the third-party API can take up to 60 seconds to return.The Lambda function’s timeout value is currently 65 seconds.The developer has noticed that the Lambda function sometimes processes duplicate messages from the SQS queue.What should the developer do to ensure that the Lambda function does not process duplicate messages?Read More →