Q262.A company wants to Run a serverless application on AWS The company plans to provision its application in Docker containers running in en Amazon ECS cluster The application requires a MySQL database and the company plans to use Amazon RDS The company has documents that need to be accessed frequently for the first 3 months and rarely after that The documents must be
Retained for years.What is the MOST cost effective solution to meet these requirements?
A.Create an ECS cluster using On-Demand Instances Provision the database and its read replicas in Amazon RDS using Spot Instances. Store the documents in an encrypted EBS volume and create a cron job to delete the documents after 7 years. B.Create an ECS cluster using a fleet of Spot Instances with Spot Instance draining enabled. Provision the database and its read replicas in Amazon RDS using Reserved Instances. Store the documents in a secured Amazon S3 bucket with a lifecycle policy to move the documents that are older than 3 months to Amazon S3 Glacier then delete the documents from Amazon S3 Glacier that are more than 7 years old. C.Create an ECS cluster using On-Demand Instances. Provision the database and its read replicas in Amazon RDS using On-Demand Instances. Store the documents in Amazon EFS Create a cron job to move the documents that are older than months to Amazon S3 Glacier. Create an AWS Lambda function to delete the documents in S3 Glacier that are older than 7 years. D.Create an ECS cluster using a fleet of Spot Instances with Spot Instance draining enabled. Provision the database and its read replicas in Amazon RDS using On-Demand Instances. Store the documents in a secured Amazon S3 bucket with a lifecycle policy to move the documents that are older than 3 months to Amazon S3 Glacier then delete the documents in Amazon S3 Glacier after 7 years .正确答案B
