A company migrated several applications to AWS in the past 3 months and needs a regular report showing cost breakdowns per application. Which is the most cost-effective solution?
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Correct answer: Tag all AWS resources with a cost key and the application's name as the value, activate cost allocation tags, and use Cost Explorer to get the desired information..
Why this is the answer
Tagging resources with a cost allocation tag (e.g., Application:WebApp1) is the most effective and cost-efficient method for tracking costs per application. Activating these tags in the AWS Billing console allows Cost Explorer to filter and group costs by application, providing detailed breakdowns without additional charges. Cost Explorer is a free service for analyzing AWS costs. Using AWS Budgets for this purpose is incorrect because Budgets focuses on setting thresholds and alerts, not detailed cost breakdown reporting. Loading Cost
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