An organization wants to allocate AWS costs to specific business units. They use AWS Organizations with consolidated billing. What is the MOST effective way to ensure all resources are properly categorized for chargeback?

Answer options:

Create separate AWS accounts for each business unit and use Cost Explorer.

Implement AWS Cost Categories and enforce mandatory tagging using SCPs.

Use AWS Budgets to track spending per IAM user.

Analyze AWS CloudTrail logs to determine resource ownership.

How to approach this question

Combine a cost grouping mechanism (Cost Categories) with an enforcement mechanism (SCPs).

B.Implement AWS Cost Categories and enforce mandatory tagging using SCPs.✓ Correct

Implement AWS Cost Categories and enforce mandatory tagging using SCPs.

AWS Cost Categories allow you to group cost and usage information, while SCPs can enforce that required tags are present upon resource creation.

Relying solely on accounts without a tagging strategy for shared resources.

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