Developer Associate (Page 18)

A 3D printing company has developed a proof-of-concept application that is running on AWS Elastic Beanstalk.The application displays a list of products that are available for 3D printing, in addition to any available customizations.When the company deploys new versions of the application, the company wants to ensure that there is no application downtime.Additionally, the application must remain at the same level of server capacity throughout the deployment.Which deployment strategies will meet these requirements? (Choose two.)Read More →

A company has developed a new serverless application using AWS Lambda functions that will be deployed using the AWS Serverless Application Model (AWS SAM) CLI.Which step should the developer complete prior to deploying the application?Read More →

A company has a web application that uses an Amazon Cognito user pool for authentication.The company wants to create a login page that includes the company logo.What should a developer do to meet these requirements?Read More →

A company has an ecommerce web application that uses an on-premises MySQL database as a data store.The company migrates the on-premises MySQL database to Amazon RDS for MySQL.A developer needs to configure the application’s access to the RDS for MySQL database.The developer’s solution must not use long term credentials.Which solution will meet these requirements?Read More →

A developer is building an application that runs behind an Application Load Balancer (ALB).The ALB is configured as the origin for an Amazon CloudFront distribution.Users will log in to the application by using their social media accounts.How can the developer authenticate users?Read More →

A developer is creating a Ruby application and needs to automate the deployment, scaling, and management of an environment without requiring knowledge of the underlying infrastructure.Which service would best accomplish this task?Read More →

A company has an application that analyzes photographs.A developer is preparing the application for deployment to Amazon EC2 instances.The application’s image analysis functions require a mix of GPU instances and CPU instances that run on Amazon Linux.The developer needs to add code to the application so that the functions can determine whether they are running on a GPU instance.What should the functions do to obtain this information?Read More →

A developer is implementing an AWS Cloud Development Kit (AWS CDK) serverless application.The developer will provision several AWS Lambda functions and Amazon API Gateway APIs during AWS CloudFormation stack creation.The developer’s workstation has the AWS Serverless Application Model (AWS SAM) and the AWS CDK installed locally.How can the developer test a specific Lambda function locally?Read More →

A company hosts a three-tier web application on AWS behind an Amazon CloudFront distribution.A developer wants a dashboard to monitor error rates and anomalies of the CloudFront distribution with the shortest possible refresh interval.Which combination of slops should the developer take to meet these requirements? (Choose two.)Read More →

A company uses Amazon DynamoDB as a data store for its order management system.The company frontend application stores orders in a DynamoDB table.The DynamoDB table is configured to send change events to a DynamoDB stream.The company uses an AWS Lambda function to log and process the incoming orders based on data from the DynamoDB stream.An operational review reveals that the order quantity of incoming orders is sometimes set to 0.A developer needs to create a dashboard that will show how many unique customers this problem affects each day.What should the developer do to implement the dashboard?Read More →