Which AWS service monitors and manages cloud cost and usage patterns?
💡 Model Answer
AWS Cost Explorer is a cost management service that provides visual dashboards, cost and usage reports, and the ability to set budgets and alerts. It aggregates data from AWS Billing and Cost Management APIs, allowing you to drill down by service, region, tag, or linked account. You can view trends over time, forecast future spend, and identify idle resources. It integrates with AWS Budgets to trigger notifications when thresholds are exceeded. In practice, I used Cost Explorer to create monthly spend alerts, identify underutilized EC2 instances, and recommend rightsizing. It is the primary tool for monitoring and managing cloud cost and usage patterns in AWS.
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