Study Azure AZ-900 Cost Management: key concepts, common traps, and exam decision cues.
Cost questions on AZ-900 are usually about choosing the right cost-viewing or cost-planning concept. Microsoft wants you to know what changes cost, how estimation differs from analysis, and why tags matter for organization and reporting.
| Need | Strongest first fit |
|---|---|
| estimate future solution cost | pricing calculator |
| analyze or track cost usage | cost management capabilities |
| organize resources for reporting and allocation | tags |
| Factor | Why it matters |
|---|---|
| resource type and SKU | different services and tiers cost differently |
| usage amount | compute hours, storage consumed, and transactions change the bill |
| region | price can vary by geography |
| redundancy and resilience choice | stronger availability options can cost more |
| network movement | data transfer can become part of the bill |
| If the stem is really about… | Strongest first reading |
|---|---|
| “what might this design cost?” | pricing calculator |
| “where is the money going now?” | cost management and analysis |
| “how do we sort resources by owner or cost center?” | tags |
Tags help with reporting, organization, and cost allocation. They do not enforce allowed configuration by themselves.