DVA-C02 (Page 35)

A company has a web application that is hosted on Amazon EC2 instances.The EC2 instances are configured to stream logs to Amazon CloudWatch Logs.The company needs to receive an Amazon Simple Notification Service (Amazon SNS) notification when the number of application error messages exceeds a defined threshold within a 5-minute period.Which solution will meet these requirements?Read More →

A company has migrated an application to Amazon EC2 instances.Automatic scaling is working well for the application user interface.However, the process to deliver shipping requests to the company’s warehouse staff is encountering issues.Duplicate shipping requests are arriving, and some requests are lost or arrive out of order.The company must avoid duplicate shipping requests and must process the requests in the order that the requests arrive.Requests are never more than 250 KB in size and take 5-10 minutes to process.A developer needs to rearchitect the application to improve the reliability of the delivery and processing of the requests.What should the developer do to 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 →

A developer is creating an AWS Lambda function that will generate and export a file.The function requires 100 MB of temporary storage for temporary files while running.These files will not be needed after the function is complete.How can the developer MOST efficiently handle the temporary files?Read More →

A company wants to automate part of its deployment process.A developer needs to automate the process of checking for and deleting unused resources that supported previously deployed stacks but that are no longer used.The company has a central application that uses the AWS Cloud Development Kit (AWS CDK) to manage all deployment stacks.The stacks are spread out across multiple accounts.The developer’s solution must integrate as seamlessly as possible within the current deployment process.Which solution will meet these requirements with the LEAST amount of configuration?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 is building a serverless application that is based on AWS Lambda.The developer initializes the AWS software development kit (SDK) outside of the Lambda handler function.What is the PRIMARY benefit of this action?Read More →

A developer is writing a serverless application that requires an AWS Lambda function to be invoked every 10 minutes.What is an automated and serverless way to invoke the function?Read More →

A company created four AWS Lambda functions that connect to a relational database server that runs on an Amazon RDS instance.A security team requires the company to automatically change the database password every 30 days.Which solution will meet these requirements MOST securely?Read More →

A company is developing an ecommerce application that uses Amazon API Gateway APIs.The application uses AWS Lambda as a backend.The company needs to test the code in a dedicated, monitored test environment before the company releases the code to the production environment.Which solution will meet these requirements?Read More →