Developer Associate (Page 66)

A developer is writing an application in Python.The application runs on AWS Lambda.The application generates a file and needs to upload this file to Amazon S3.The developer must implement this upload functionality with the least possible change to the application code.Which solution meets these requirements?Read More →

An application that is hosted on an Amazon EC2 instance needs access to files that are stored in an Amazon S3 bucket.The application lists the objects that are stored in the S3 bucket and displays a table to the user.During testing, a developer discovers that the application does not show any objects in the list.What is the MOST secure way to resolve this issue?Read More →

A development team is building a new application that will run on Amazon EC2 and use Amazon DynamoDB as a storage layer.The developers all have assigned IAM user accounts in the same IAM group.The developers currently can launch EC2 instances, and they need to be able to launch EC2 instances with an instance role allowing access to Amazon DynamoDB.Which AWS IAM changes are needed when creating an instance role to provide this functionality?Read More →

An open-source map application gathers data from several geolocation APIs.The application’s source code repository is public and can be used by anyone, but the geolocation APIs must not be directly accessible.A developer must implement a solution to prevent the credentials that are used to access the APIs from becoming public.The solution also must ensure that the application still functions properly.Which solution will meet these requirements MOST cost-effectively?Read More →

A developer received the following error message during an AWS CloudFormation deployment:DELETE_FAILED (The following resource(s) failed to delete: [ASGInstanceRolel2345678].)Which action should the developer take to resolve this error?Read More →

A company has a web application that runs on Amazon EC2 instances with a custom Amazon Machine Image (AMI).The company uses AWS CloudFormation to provision the application.The application runs in the us-east-1 Region, and the company needs to deploy the application to the us-west-1 Region.An attempt to create the AWS CloudFormation stack in us-west-1 fails.An error message states that the AMI ID does not exist.A developer must resolve this error with a solution that uses the least amount of operational overhead.Which solution meets these requirements?Read More →

A developer is creating a photo website.Amazon Route 53 hosts the website’s domain.The developer wants to store the application code and images in an Amazon S3 bucket.The developer also wants to use Amazon CloudFront to deliver the images to users.The developer has created the S3 bucket and a CloudFront distribution.The developer wants the images to be accessed only through the website’s domain.Users must not use the S3 URLs.Which solution will meet these requirements?Read More →

A company is hosting a workshop for external users and wants to share the reference documents with the external users for 7 days.The company stores the reference documents in an Amazon S3 bucket that the company owns.What is the MOST secure way to share the documents with the external users?Read More →

An application runs on multiple EC2 instances behind an ELB.Where is the session data best written so that it can be served reliably across multiple requests?Read More →

A company is developing a report implemented using AWS Step Functions.Amazon CloudWatch shows errors in the Step Functions task state machine.To troubleshoot each task, the state input needs to be included along with the error message in the state output.Which coding practice can preserve both the original input and the error for the state?Read More →