AZ-900 Describe Azure management and governance Practice Question
A company has 10 Azure subscriptions used by different departments. The finance team wants to receive automated, prioritized recommendations to reduce cloud costs. Specifically, they want suggestions for identifying idle virtual machines and rightsizing underutilized resources across all subscriptions. Which Azure service should the finance team use to get these recommendations?
⚠ Common exam trap
Many candidates confuse Azure Cost Management + Billing's cost analysis and budgeting features with the proactive, recommendation-driven cost optimization capabilities of Azure Advisor, leading them to select the wrong service for identifying idle VMs and rightsizing.
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 Advisor
Azure Advisor is the correct service because it provides personalized, prioritized recommendations across Azure subscriptions, including cost optimization suggestions such as identifying idle virtual machines and rightsizing underutilized resources. It analyzes resource usage and configuration to deliver actionable insights, making it ideal for the finance team's needs.
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 Advisor
Why this is correct
Correct. Azure Advisor is a free service that continuously analyzes resource usage and provides personalized recommendations to optimize costs, security, reliability, performance, and operational excellence. It includes specific cost recommendations such as identifying idle VMs and rightsizing underutilized resources.
- ✗
Azure Cost Management + Billing
Why it's wrong here
Azure Cost Management + Billing provides tools for cost analysis, budgeting, and invoice management. While it can help track spending, it does not generate the automated, prioritized cost optimization recommendations that Azure Advisor does. Advisor is the service for recommendations.
When this WOULD be correct
This option would be correct if the question asked for a service to analyze historical spending, set budgets, or generate cost reports across subscriptions, without requiring automated optimization recommendations.
- ✗
Azure Policy
Why it's wrong here
Azure Policy is a governance tool that enforces organizational standards by applying rules to Azure resources, such as restricting allowed VM sizes or enforcing tagging. It can prevent the creation of expensive resources via deny or deployIfNotExists effects, but it does not continuously analyze the utilization of existing resources to suggest cost savings. Policy is reactive/compliance-driven and static in nature, whereas Azure Advisor generates proactive, personalized recommendations based on real-time usage data, which is the key difference.
When this WOULD be correct
An exam question asking which service can enforce tagging rules (e.g., require 'CostCenter' tag on all resources) or audit resource configurations for compliance with company policies would make Azure Policy the correct answer.
- ✗
Azure Monitor
Why it's wrong here
Azure Monitor is an observability service that collects metrics, logs, and telemetry from Azure resources and workloads. While it can track real-time resource utilization and fire alerts when thresholds are exceeded, it does not analyze cost patterns or recommend financial optimizations. It cannot suggest shutting down idle VMs or rightsizing undersized instances because that requires the cost-aware, usage-analyzing logic built into Azure Advisor. Monitor is for health and performance, not for cost-optimization recommendations.
When this WOULD be correct
When the question asks for a service to monitor performance metrics, set up alerts, or collect diagnostic logs across Azure resources, Azure Monitor would be the correct answer.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-900 exam frequently reuses these exact scenarios with slightly different constraints.
✓Azure AdvisorCorrect answer▾
Why this is correct
Correct. Azure Advisor is a free service that continuously analyzes resource usage and provides personalized recommendations to optimize costs, security, reliability, performance, and operational excellence. It includes specific cost recommendations such as identifying idle VMs and rightsizing underutilized resources.
✗Azure Cost Management + BillingWrong answer — click to see why▾
Why this is wrong here
Azure Cost Management + Billing provides cost analysis and budgeting but does not generate prioritized recommendations for identifying idle VMs or rightsizing resources; that is the function of Azure Advisor.
★ When this WOULD be the correct answer
This option would be correct if the question asked for a service to analyze historical spending, set budgets, or generate cost reports across subscriptions, without requiring automated optimization recommendations.
Why candidates choose this
Candidates may confuse cost management with cost optimization, assuming that a service named 'Cost Management' would also provide actionable recommendations to reduce costs.
✗Azure PolicyWrong answer — click to see why▾
Why this is wrong here
Azure Policy is used to enforce organizational standards and assess compliance, not to provide cost optimization recommendations like identifying idle VMs or rightsizing resources.
★ When this WOULD be the correct answer
An exam question asking which service can enforce tagging rules (e.g., require 'CostCenter' tag on all resources) or audit resource configurations for compliance with company policies would make Azure Policy the correct answer.
Why candidates choose this
Candidates may confuse policy enforcement with cost management, thinking that policies can automatically reduce costs by restricting resource types or sizes, but Azure Policy does not analyze usage patterns or provide recommendations.
✗Azure MonitorWrong answer — click to see why▾
Why this is wrong here
Azure Monitor provides monitoring and diagnostics data but does not deliver prioritized cost optimization recommendations like identifying idle VMs or rightsizing resources.
★ When this WOULD be the correct answer
When the question asks for a service to monitor performance metrics, set up alerts, or collect diagnostic logs across Azure resources, Azure Monitor would be the correct answer.
Why candidates choose this
Candidates may confuse monitoring resource usage (Azure Monitor) with receiving actionable cost-saving recommendations, as both involve analyzing resource utilization.
Analysis generated from the official AZ-900blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Go deeper
Related to this question
About these practice questions
Courseiva writes every AZ-900 question from scratch — 981 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.