A company is planning to deploy a managed MySQL database solution for its non-production applications. The company plans to run the system for several years on AWS. Which solution will meet these requirements MOST cost-effectively?
A.
Create an Amazon RDS for MySQL instance. Purchase a Reserved Instance.
B.
Create an Amazon RDS for MySQL instance. Use the instance on an on-demand basis.
C.
Create an Amazon Aurora MySQL cluster with writer and reader nodes. Use the cluster on an on-demand basis.
D.
Create an Amazon EC2 instance. Manually install and configure MySQL Server on the instance.
Amazon RDS for MySQL Reserved Instances provide significant savings over on-demand pricing when you plan to run the database for long periods. This is the most cost-effective option for non-production, long-running managed MySQL workloads.
Reference Extract:
"Reserved Instances provide a significant discount compared to On-Demand pricing and are recommended for steady-state workloads that run for an extended period."
Source: AWS Certified Solutions Architect – Official Study Guide, RDS Cost Optimization section.
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