A large enterprise has a predictable baseline of EC2 usage and a highly variable spike in usage during end-of-month processing. They want to optimize costs across their AWS Organization. They have multiple instance families in use (M5, C5, R5) across three regions. What is the MOST flexible and cost-effective commitment discount strategy?

Answer options:

Purchase Standard Reserved Instances (RIs) for the baseline usage.

Purchase Convertible Reserved Instances for the baseline usage.

Purchase Compute Savings Plans for the baseline usage.

Purchase EC2 Instance Savings Plans for the baseline usage.

How to approach this question

Identify the discount model that offers cross-region and cross-family flexibility automatically.

Full Answer

C.Purchase Compute Savings Plans for the baseline usage.✓ Correct

Compute Savings Plans provide the most flexibility, automatically applying discounts to EC2 instance usage regardless of instance family, size, AZ, region, OS, or tenancy.

Common mistakes

Choosing EC2 Instance Savings Plans, which lack cross-family and cross-region flexibility.

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Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 4

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