Developer Associate (Page 61)

A company wants to migrate its web application to AWS and leverage auto scaling to handle peak workloads.The solutions architect determined that the best metric for an auto scaling event is the number of concurrent users.Based on this information, what should the developer use to auto scale based on concurrent users?Read More →

A developer creates an AWS Lambda function that is written in Java.During testing, the Lambda function does not work how the developer expected.The developer wants to use tracing capabilities to troubleshoot the problem.Which AWS service should the developer use to accomplish this goal?Read More →

A company is managing a NoSQL database on-premises to host a critical component of an application, which is starting to have scaling issues.The company wants to migrate the application to Amazon DynamoDB with the following considerations:• Optimize frequent queries• Reduce read latencies• Plan for frequent queries on certain key attributes of the tableWhich solution would help achieve these objectives?Read More →

A company is developing an application that will be accessed through the Amazon API Gateway REST API.Registered users should be the only ones who can access certain resources of this API.The token being used should expire automatically and needs to be refreshed periodically.How can a developer meet these requirements?Read More →

A developer is storing sensitive data generated by an application in Amazon S3.The developer wants to encrypt the data at rest A company policy requires an audit trail of when the AWS Key Management Service (AWS KMS) key was used and by whom.Which encryption option will meet these requirements?Read More →

A developer updates an AWS Lambda function that an Amazon API Gateway API uses.The API is the backend for a web application.The developer needs to test the updated Lambda function before deploying the Lambda function to production.The testing must not affect any production users of the web application.Which solution will meet these requirements in the MOST operationally efficient way?Read More →

A company’s website runs on an Amazon EC2 instance and uses Auto Scaling to scale the environment during peak times.Website users across the world are experiencing high latency due to static content on the EC2 instance, even during non-peak hours.Which combination of steps will resolve the latency issue? (Choose two.)Read More →

A developer is creating a new batch application that will run on an Amazon EC2 instance.The application requires read access to an Amazon S3 bucket.The developer needs to follow security best practices to grant S3 read access to the application.Which solution meets these requirements?Read More →

An application is experiencing performance issues based on increased demand.This increased demand is on read-only historical records pulled from an Amazon RDS-hosted database with custom views and queries.A developer must improve performance without changing the database structure.Which approach will improve performance and MINIMIZE management overhead?Read More →

A company has an application that receives batches of orders from partners every day.The application uses an AWS Lambda function to process the batches.If a batch contains no orders, the Lambda function must publish to an Amazon Simple Notification Service (Amazon SNS) topic as soon as possible.Which combination of steps will meet this requirement with the LEAST implementation effort? (Choose two.)Read More →