Developer Associate (Page 41)

A developer is developing an application that uses signed requests (Signature Version 4) to call other AWS services.The developer has created a canonical request, has created the string to sign, and has calculated signing information.Which methods could the developer use to complete a signed request? (Choose two.)Read More →

A company with multiple branch locations has an analytics and reporting application.Each branch office pushes a sales report to a shared Amazon S3 bucket at a predefined time each day.The company has developed an AWS Lambda function that analyzes the reports from all branch offices in a single pass.The Lambda function stores the results in a database.The company needs to start the analysis once each day at a specific time.Which solution will meet these requirements MOST cost-effectively?Read More →

A company’s developer is building a static website to be deployed in Amazon S3 for a production environment.The website integrates with an Amazon Aurora PostgreSQL database by using an AWS Lambda function.The website that is deployed to production will use a Lambda alias that points to a specific version of the Lambda function.The company must rotate the database credentials every 2 weeks.Lambda functions that the company deployed previously must be able to use the most recent credentials.Which solution will meet these requirements?Read More →

A developer is building various microservices for an application that will run on Amazon EC2 instances.The developer needs to monitor the end-to-end view of the requests between the microservices and debug any issues in the various microservices.What should the developer do to accomplish these tasks?Read More →

A developer has written code for an application and wants to share it with other developers on the team to receive feedback.The shared application code needs to be stored long-term with multiple versions and batch change tracking.Which AWS service should the developer use?Read More →

A company uses the AWS SDK for JavaScript in the Browser to build a web application and then hosts the application on Amazon S3.The company wants the application to support 10,000 users concurrently.The company selects Amazon DynamoDB to store user preferences in a table.There is a requirement to uniquely identify users at any scale.Which solution will meet these requirements?Read More →

A developer is creating an application that will give users the ability to store photos from their cellphones in the cloud.The application needs to support tens of thousands of users.The application uses an Amazon API Gateway REST API that is integrated with AWS Lambda functions to process the photos.The application stores details about the photos in Amazon DynamoDB.Users need to create an account to access the application.In the application, users must be able to upload photos and retrieve previously uploaded photos.The photos will range in size from 300 KB to 5 MB.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A developer uses server-side encryption with Amazon S3 managed encryption keys (SSE-S3) to store data in Amazon S3.The developer needs to decrypt and download the encrypted objects by using the GetObject API call.What is the LEAST amount of information that the developer must provide in the API call to meet this requirement?Read More →

A developer maintains applications that store several secrets in AWS Secrets Manager.The applications use secrets that have changed over time.The developer needs to identify required secrets that are still in use.The developer does not want to cause any application downtime.What should the developer do to meet these requirements?Read More →

A company is running its website on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an Amazon EC2 Auto Scaling group.A developer needs to secure the internet-facing connection with HTTPS.The developer uses AWS Certificate Manager (ACM) to issue an X.509 certificate.What should the developer do to secure the connection?Read More →