AWS Cost Optim Flashcards
Q: Which solution will meet the requirements of optimizing costs for running an application with varying workloads on Amazon EC2?
A: Use a mix of On-Demand Instances and Spot Instances.
Q: What should a solutions architect recommend to ensure that Amazon EC2 instances can automatically scale to handle varying workloads in a cost-effective manner?
A: Use a mix of On-Demand Instances and Spot Instances.
Q: How should a solutions architect design a cost-effective solution to handle batch processing workloads on Amazon EC2?
A: Use a combination of Reserved Instances for the baseline capacity and Spot Instances to handle additional capacity.
Q: What is the MOST cost-effective solution to store and retrieve 500 KB webpage files that are frequently accessed for the first 30 days and rarely accessed after that?
A: Use S3 Intelligent-Tiering to automatically move the files to a lower cost storage class after 30 days.
Q: Which solution will meet the requirements of optimizing the cost of running an Amazon RDS database with variable and unpredictable workloads?
A: Migrate the database to Amazon Aurora Serverless v2.
Q: How should a solutions architect design a cost-effective storage solution for archiving rarely accessed data in Amazon S3?
A: Use S3 Lifecycle policies to transition objects from S3 Standard to S3 Glacier Deep Archive.
