Tip 2 Cloud

A company is running a business-critical web application on Amazon EC2 instances behind an Application Load Balancer.The EC2 instances are in an Auto Scaling group.The application uses an Amazon Aurora PostgreSQL database that is deployed in a single Availability Zone.The company wants the application to be highly available with minimum downtime and minimum loss of data.Which solution will meet these requirements with the LEAST operational effort?Read More →

A solutions architect is designing a new hybrid architecture to extend a company’s on-premises infrastructure to AWS.The company requires a highly available connection with consistent low latency to an AWS Region.The company needs to minimize costs and is willing to accept slower traffic if the primary connection fails.What should the solutions architect do to meet these requirements?Read More →

A company hosts an application on multiple Amazon EC2 instances.The application processes messages from an Amazon SQS queue, writes to an Amazon RDS table, and deletes the message from the queue.Occasional duplicate records are found in the RDS table.The SQS queue does not contain any duplicate messages.What should a solutions architect do to ensure messages are being processed once only?Read More →

A company has an application that generates a large number of files, each approximately 5 MB in size.The files are stored in Amazon S3.Company policy requires the files to be stored for 4 years before they can be deleted.Immediate accessibility is always required as the files contain critical business data that is not easy to reproduce.The files are frequently accessed in the first 30 days of the object creation but are rarely accessed after the first 30 days.Which storage solution is MOST cost-effective?Read More →

A hospital recently deployed a RESTful API with Amazon API Gateway and AWS Lambda.The hospital uses API Gateway and Lambda to upload reports that are in PDF format and JPEG format.The hospital needs to modify the Lambda code to identify protected health information (PHI) in the reports.Which solution will meet these requirements with the LEAST operational overhead?Read More →