Developer Associate (Page 27)

A company has three AWS Lambda functions that are written in Node.js.The Lambda functions include a mix of custom code and open-source modules.When bugs are occasionally detected in the open-source modules, all three Lambda functions must be patched.What is the MOST operationally efficient solution to deploy a patched open-source library for all three Lambda functions?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 company deploys a local news website on a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB).The company wants to implement authentication for viewers through well-known social identity providers (IdPs).The company’s development team must use AWS native services in the solution.Which combination of actions will meet these requirements? (Choose two.)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 has migrated an application to Amazon EC2 instances.Automatic scaling is working well for the application user interface.However, the process to deliver shipping requests to the company’s warehouse staff is encountering issues.Duplicate shipping requests are arriving, and some requests are lost or arrive out of order.The company must avoid duplicate shipping requests and must process the requests in the order that the requests arrive.Requests are never more than 250 KB in size and take 5-10 minutes to process.A developer needs to rearchitect the application to improve the reliability of the delivery and processing of the requests.What should the developer do to meet these requirements?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 security review for a software company’s application infrastructure shows that there is no test coverage in any of the company’s deployment pipelines.A developer must fix this issue as soon as possible.The company has been integrating the AWS Cloud Development Kit (AWS CDK) into the deployment process.However, much of the pipeline still uses AWS CloudFormation templates.The developer needs to add test coverage to all the deployment code.Which solution will meet these requirements with the LEAST amount of configuration?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 →

While developing an application that runs on Amazon EC2 in an Amazon VPC, a Developer identifies the need for centralized storage of application-level logs.Which AWS service can be used to securely store these logs?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 →