The answer is management groups. They are the correct first step because they create the top-level container in the Azure governance hierarchy, sitting above subscriptions and allowing you to organize multiple subscriptions into logical groupings for policy and cost management. Once established, you can apply Azure Policy and cost controls at the management group level, which automatically cascades down to all child subscriptions and resource groups, ensuring consistent governance across departments. On the AZ-900 exam, this tests your understanding of the Azure hierarchy order—management groups, then subscriptions, then resource groups, then resources—and a common trap is confusing management groups with resource groups or thinking subscriptions come first. Remember the memory tip: "Manage groups first, then subscribe below" to keep the order straight.
AZ-900 Describe Azure management and governance Practice Question
This AZ-900 practice question tests your understanding of describe azure management and governance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company wants to organize their Azure subscriptions into a hierarchy for policy and cost management. They have multiple departments, each with multiple subscriptions. What should they create first to establish this structure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Management groups
Management groups are the correct first step because they provide a hierarchical structure above subscriptions, enabling you to organize multiple subscriptions into logical groupings for policy and cost management. By creating management groups first, you can then apply Azure Policy and cost controls at the management group level, which automatically cascades to all child subscriptions and resource groups. This aligns with the Azure governance hierarchy: management groups → subscriptions → resource groups → resources.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Management groups
Why this is correct
Correct. Management groups are the primary construct for grouping subscriptions into a hierarchy for policy and billing management.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Resource groups
Why it's wrong here
Incorrect. Resource groups are logical containers within a subscription, not for organizing multiple subscriptions.
✗
Policies
Why it's wrong here
Incorrect. Policies are rules to enforce compliance, but they need to be assigned to a scope like a management group or subscription.
✗
Subscriptions
Why it's wrong here
Incorrect. Subscriptions are the units of billing and management, but they must be placed into management groups to form a hierarchy.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think subscriptions are the top-level container, but management groups sit above subscriptions and are required to create a hierarchy for policy and cost management across multiple subscriptions.
Detailed technical explanation
How to think about this question
Management groups support up to 10,000 management groups in a single directory, with a depth of up to six levels (excluding the root). When you apply an Azure Policy or a role assignment at a management group, it is inherited by all child subscriptions and resources, enabling centralized governance. For cost management, you can view aggregated costs across all subscriptions under a management group using Azure Cost Management + Billing.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure management and governance — This question tests Describe Azure management and governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Management groups — Management groups are the correct first step because they provide a hierarchical structure above subscriptions, enabling you to organize multiple subscriptions into logical groupings for policy and cost management. By creating management groups first, you can then apply Azure Policy and cost controls at the management group level, which automatically cascades to all child subscriptions and resource groups. This aligns with the Azure governance hierarchy: management groups → subscriptions → resource groups → resources.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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