AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A business needs to predict its AWS infrastructure spending for the next fiscal quarter. Management wants a service that can generate detailed cost projections by analyzing the organization's historical AWS usage patterns. Which AWS service best meets this requirement?
AWS Cost Explorer is the dedicated tool for interactive cost analysis and forecasting. Once enabled, it applies machine-learning models to up to 12 months of historical usage and produces daily or monthly cost forecasts for up to 12 months ahead, complete with 80 % predictionâinterval bands .
AWS Budgets can display a forecast line and send alerts when costs are predicted to exceed a budget, but it does not offer the same interactive, granular forecasting dashboards or API queries that Cost Explorer provides .
The Cost and Usage Report (CUR) delivers raw usage and cost records without any built-in forecasting capability; customers must analyze the data separately.
AWS Pricing Calculator estimates the cost of hypothetical configurations and can import historical usage as a baseline, but it does not automatically build forecasts from past trends.
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