The finance team wants alerts when actual and forecasted AWS spending exceed defined thresholds. Which solution provides these notifications with minimal ongoing operational effort?
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Correct answer: Create recurring budgets in AWS Budgets, add one alert for actual costs and a second alert for forecasted costs, and configure an SNS topic to receive the budget alerts..
Why this is the answer
AWS Budgets is the most efficient solution because it's designed specifically for this purpose. You can define recurring budgets for actual and forecasted costs and set up alerts to be sent via Amazon SNS when thresholds are breached. This requires minimal setup and ongoing operational effort as AWS manages the monitoring and notification infrastructure. The other options are less suitable: Manually checking Cost Explorer is not automated and prone to human error. Building a complex Step Functions workflow with Amazon Forecast and Lambda is overly complicated and requires significant development and maintenance. Emailing a Cost and Usage Report to an SNS topic doesn't provide automated threshold-based alerting for forecasts or actual spend; it merely sends the report.
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