AWS Certified Cloud Practitioner (CLF-C02) — Question 255

Which Amazon EC2 pricing model provides the MOST cost savings for an always-up, right-sized database server running for a project that will last 1 year?

Answer options

Correct answer: D

Explanation

The Standard Reserved Instances pricing model is the most economical for a database server that needs to be operational continuously for a year, as it offers significant discounts compared to on-demand pricing. On-Demand Instances are more expensive for long-term use, while Convertible Reserved Instances offer flexibility at a higher cost, and Spot Instances are not suitable for a server that needs to run continuously due to their variable availability.