DVA-C02 (Page 2)

A company has an application that uses an Amazon S3 bucket for object storage.A developer needs to configure in-transit encryption for the S3 bucket.All the S3 objects containing personal data needs to be encrypted at rest with AWS Key Management Service (AWS KMS) keys, which can be rotated on demand.Which combination of steps will meet these requirements? (Choose two.)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 →

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 →

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 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 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 runs an ecommerce application on AWS.The application stores data in an Amazon Aurora database.A developer is adding a caching layer to the application.The caching strategy must ensure that the application always uses the most recent value for each data item.Which caching strategy will meet these requirements?Read More →

A company is working on a new serverless application.A developer needs to find an automated way to deploy AWS Lambda functions and the dependent infrastructure with minimum coding effort.The application also needs to be reliable.Which method will meet these requirements with the LEAST operational overhead?Read More →

A developer is creating a web application for a school that stores data in Amazon DynamoDB.The ExamScores table has the following attributes: student_id, subject_name, and top_score.Each item in the ExamScores table is identified with student_id as the partition key and subject_name as the sort key.The web application needs to display the student _id for the top scores for each school subject.The developer needs to increase the speed of the queries to retrieve the student_id for the top scorer for each school subject.Which solution will meet these requirements?Read More →

A company hosts a client-side web application for one of its subsidiaries on Amazon S3.The web application can be accessed through Amazon CloudFront from https://www.example.com.After a successful rollout, the company wants to host three more client-side web applications for its remaining subsidiaries on three separate S3 buckets.To achieve this goal, a developer moves all the common JavaScript files and web fonts to a central S3 bucket that serves the web applications.However, during testing, the developer notices that the browser blocks the JavaScript files and web fonts.What should the developer do to prevent the browser from blocking the JavaScript files and web fonts?Read More →