AZ-900 Describe Azure management and governance Practice Question
A company has resources across multiple Azure subscriptions and needs a single dashboard to view cost data across all of them. Which Azure service provides this?
⚠ Common exam trap
It's easy for candidates to confuse Azure Monitor (which shows metrics and logs) with cost monitoring, but Azure Monitor does not aggregate billing data across subscriptions—Cost Management + Billing is the dedicated service for financial governance.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Cost Management + Billing
Azure Cost Management + Billing is the correct service because it provides a unified dashboard that aggregates cost data across multiple Azure subscriptions, enabling centralized monitoring and analysis of spending. It supports cross-subscription views, budget tracking, and cost allocation, which directly addresses the requirement for a single dashboard to view cost data across all subscriptions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Azure Monitor
Why it's wrong here
Azure Monitor is an operational monitoring service that collects telemetry from Azure resources, including metrics, logs, and application performance data, to support alerting and troubleshooting. It is not designed for cost analytics; although you can send cost-related data to Log Analytics, it does not offer a built-in cross-subscription cost dashboard with budgets and cost recommendations. Its primary focus is resource health and performance, not financial accountability. Thus, it does not provide the required cost management capabilities.
- ✓
Azure Cost Management + Billing
Why this is correct
Azure Cost Management + Billing is the native solution for monitoring and analyzing Azure expenditure across subscriptions and management groups. It provides a unified cost view with features such as cost analysis, budgets, alerts, and recommendations, plus integration with billing data for actual and amortized costs. You can break down costs by resource, resource group, or tag, and even view forecasted spend. This fully satisfies the requirement for comprehensive cross-subscription cost analytics.
- ✗
Azure Advisor
Why it's wrong here
Azure Advisor is a personalized recommendation engine that evaluates resource configurations and usage against best practices for reliability, security, performance, and cost. While it includes cost recommendations, these are granular optimization tips (e.g., shutdown idle VMs) rather than a unified cross-subscription cost analytics dashboard. It cannot aggregate spend across management groups or provide trend analysis, budgets, or cost breakdowns by resource or tag, which are core capabilities of a dedicated cost management tool. Therefore, it fails to meet the requirement of a comprehensive cost view.
- ✗
Azure Policy
Why it's wrong here
Azure Policy is a governance service that enforces organizational rules and compliance on Azure resources, such as allowed resource types or required tags. It can apply tags to resources for cost attribution, but it does not track, aggregate, or display cost data itself. Cost analytics, budgets, and cross-subscription views are outside Policy's scope, as it focuses on ensuring resources conform to standards rather than analyzing financial data. Hence, it is not the correct choice for a cost management dashboard.
Go deeper
Related to this question
Learn chapter
Azure Cost Management and Billing
Key term
Cost Management
Cost Management is the practice of planning, controlling, and optimizing spending on cloud resources to stay within budget and maximize value.
Key term
Dashboard
A dashboard is a visual display of key metrics and data points that helps IT professionals monitor, analyze, and manage systems or processes in real time.
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Written by Johnson Ajibi, MSc IT Security
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