A large enterprise manages hundreds of Azure subscriptions. The central governance team wants to ensure that every resource deployed across all subscriptions always has two required tags: 'Department' and 'CostCenter'. If a resource is created without these tags, the governance policy must automatically add the missing tags with placeholder values (e.g., 'Department: Unknown') and generate a compliance report. The team does not want to rely on user training or manual audits. Which Azure service should the team use to meet these requirements?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
Azure Policy
Azure Policy can evaluate resources for compliance with defined tagging rules. Using the 'Append' effect, it can automatically add missing tags with specified values when a resource is created or updated. It also provides compliance reports.
Distractor review
Azure Cost Management
Azure Cost Management provides cost analysis, budgeting, and alerts, but it cannot automatically enforce or add tags to resources. It can use existing tags to organize cost data but does not modify resources.
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Azure Blueprints
Azure Blueprints packages Azure Policy definitions, role assignments, and resource templates into a deployable artifact. While a blueprint can include a policy that enforces tags, the enforcement itself is performed by Azure Policy. Blueprints are used for orchestration, not real-time enforcement.
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Azure Resource Groups
Resource groups are logical containers that hold related Azure resources. They do not have any built-in mechanism to enforce or automatically add tags to resources within them.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer is building a serverless application that requires integration with an on-premises SQL Server database for real-time data processing. The on-premises network is connected to Azure via a site-to-site VPN. Which Azure service would allow the function to securely access the on-premises database without exposing it to the public internet?
Question 2
A solutions architect is designing a storage solution for a large media company. The company needs to store video files that are accessed infrequently but must be retained for several years for compliance. Which two Azure storage options meet these requirements? (Select two.)
Question 3
A company deploys a multi-tier application using Azure virtual machines. The web tier VMs must be evenly distributed across two distinct data centers within an Azure region to avoid a single point of failure from an infrastructure outage. Which Azure construct should they use to meet this requirement?
Question 4
A company wants to enforce a set of security policies across all their Azure subscriptions. They have created several individual policy definitions. Which Azure construct should they use to group these policies together and assign them as a single package?
Question 5
A company deploys a line-of-business application on an Azure virtual machine. The IT team wants to ensure the application remains secure. According to the shared responsibility model, which of the following security tasks is the sole responsibility of the customer (the company)?
Question 6
A company develops a web API that runs on Azure App Service. The development team wants to deploy a new version of the API to a staging environment, run integration tests against it, and then gradually shift production traffic to the new version. If any issues are detected, they want to immediately roll back to the previous version without redeploying. Which Azure App Service feature should the team use to meet these requirements?
FAQ
Questions learners often ask
What does this AZ-900 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Azure Policy — Azure Policy is the correct choice because it can enforce tagging rules with the 'Append' or 'DeployIfNotExists' effect. When a resource is created without the required tags, Azure Policy can automatically add the missing tags with a default value and report compliance status. Azure Cost Management handles budgeting and cost analysis but does not enforce tagging. Azure Blueprints is used to deploy a consistent environment (including policies) as a package, but the real-time enforcement of tagging for new resources is done by Azure Policy itself. Azure Resource Groups are logical containers, not a service for enforcement.
What should I do if I get this AZ-900 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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