DVA-C02 (Page 9)

A developer maintains a critical business application that uses Amazon DynamoDB as the primary data store.The DynamoDB table contains millions of documents and receives 30-60 requests each minute.The developer needs to perform processing in near-real time on the documents when they are added or updated in the DynamoDB table.How can the developer implement this feature with the LEAST amount of change to the existing application code?Read More →

A developer is working on an ecommerce website.The developer wants to review server logs without logging in to each of the application servers individually.The website runs on multiple Amazon EC2 instances, is written in Python, and needs to be highly available.How can the developer update the application to meet these requirements with MINIMUM changes?Read More →

A team is developing an application that is deployed on Amazon EC2 instances.During testing, the team receives an error.The EC2 instances are unable to access an Amazon S3 bucket.Which steps should the team take to troubleshoot this issue? (Choose two.)Read More →

A company is providing read access to objects in an Amazon S3 bucket for different customers.The company uses IAM permissions to restrict access to the S3 bucket.The customers can access only their own files.Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.Which solution will meet these requirements?Read More →

A developer wants to use AWS Elastic Beanstalk to test a new version of an application in a test environment.Which deployment method offers the FASTEST deployment?Read More →

A company is updating an application to move the backend of the application from Amazon EC2 instances to a serverless model.The application uses an Amazon RDS for MySQL DB instance and runs in a single VPC on AWS.The application and the DB instance are deployed in a private subnet in the VPC.The company needs to connect AWS Lambda functions to the DB instance.Which solution will meet these requirements?Read More →

A software company is launching a multimedia application.The application will allow guest users to access sample content before the users decide if they want to create an account to gain full access.The company wants to implement an authentication process that can identify users who have already created an account.The company also needs to keep track of the number of guest users who eventually create an account.Which combination of steps will meet these requirements? (Choose two.)Read More →

A social media application uses the AWS SDK for JavaScript on the frontend to get user credentials from AWS Security Token Service (AWS STS).The application stores its assets in an Amazon S3 bucket.The application serves its content by using an Amazon CloudFront distribution with the origin set to the S3 bucket.The credentials for the role that the application assumes to make the SDK calls are stored in plaintext in a JSON file within the application code.The developer needs to implement a solution that will allow the application to get user credentials without having any credentials hardcoded in the application code.Which solution will meet these requirements?Read More →

A company needs to develop a proof of concept for a web service application.The application will show the weather forecast for one of the company’s office locations.The application will provide a REST endpoint that clients can call.Where possible, the application should use caching features provided by AWS to limit the number of requests to the backend service.The application backend will receive a small amount of traffic only during testing.Which approach should the developer take to provide the REST endpoint MOST cost-effectively?Read More →

A company is using an Amazon API Gateway REST API endpoint as a webhook to publish events from an on-premises source control management (SCM) system to Amazon EventBridge.The company has configured an EventBridge rule to listen for the events and to control application deployment in a central AWS account.The company needs to receive the same events across multiple receiver AWS accounts.How can a developer meet these requirements without changing the configuration of the SCM system?Read More →