Tip 2 Cloud

A company is running a data-intensive application on AWS.The application runs on a cluster of hundreds of Amazon EC2 instances.A shared file system also runs on several EC2 instances that store 200 TB of data.The application reads and modifies the data on the shared file system and generates a report.The job runs once monthly, reads a subset of the files from the shared file system, and takes about 72 hours to complete.The compute instances scale in an Auto Scaling group, but the instances that host the shared the system run continuously.The compute and storage instances are all in the same AWS Region.A solutions architect needs to reduce costs by replacing the shared file system instances.The file system must provide high performance access to the needed data for the duration of the 72-hour run.Which solution will provide the LARGEST overall cost reduction while meeting these requirements?Read More →

A company is changing the way that it handles patching of Amazon EC2 instances in its application account.The company currently patches instances over the internet by using a NAT gateway in a VPC in the application account.The company has EC2 instances set up as a patch source repository in a dedicated private VPC in a core account.The company wants to use AWS Systems Manager Patch Manager and the patch source repository in the core account to patch the EC2 instances in the application account.The company must prevent all EC2 instances in the application account from accessing the internet.The EC2 instances in the application account need to access Amazon S3, where the application data is stored.These EC2 instances need connectivity to Systems Manager and to the patch source repository in the private VPC in the core account.Which solution will meet these requirements?Read More →

A multimedia company needs to deliver its video-on-demand (VOD) content to its subscribers in a cost-effective way.The video files range in size from 1-15 GB and are typically viewed frequently for the first 6 months after creation, and then access decreases considerably.The company requires all video files to remain immediately available for subscribers.There are now roughly 30,000 files, and the company anticipates doubling that number over time.What is the MOST cost-effective solution for delivering the company’s VOD content?Read More →

A company is using AWS to develop and manage its production web application.The application includes an Amazon API Gateway HTTP API that invokes an AWS Lambda function.The Lambda function processes and then stores data in a database.The company wants to implement user authorization for the web application in an integrated way.The company already uses a third-party identity provider that issues OAuth tokens for the company’s other applications.Which solution will meet these requirements?Read More →