- A
Create a remediation task for the policy
Why wrong: Remediation tasks are only available for policies with effects like DeployIfNotExists or Modify, not for policies with Append effect.
- B
Create a new policy with DeployIfNotExists effect
A policy with DeployIfNotExists effect can deploy a resource (like a script) to add tags to existing resources. After assignment, a remediation task can run to apply the fix.
- C
Use Azure Resource Graph to query and update
Why wrong: Azure Resource Graph can query resources but does not automatically update them; you would need additional scripting or tooling.
- D
Create an Azure Automation runbook
Why wrong: An Automation runbook can be used to update tags, but it would require manual or scheduled execution and is not natively integrated with Azure Policy for automatic remediation.
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 ensure that all Azure resources are tagged with metadata such as 'Environment' and 'Department'. They have created an Azure Policy that appends the required tags and their values when a resource is created. However, they notice that some resources created before the policy assignment are missing tags. They want to automatically add those tags without manual effort. What should they do?
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
Create a new policy with DeployIfNotExists effect
Option B is correct because the DeployIfNotExists (DINE) policy effect can automatically remediate non-compliant resources, including those created before the policy assignment. When combined with a managed identity, DINE triggers a deployment task that adds the required tags without manual intervention, addressing the gap left by the 'append' effect which only acts on new 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.
- ✗
Create a remediation task for the policy
Why it's wrong here
Remediation tasks are only available for policies with effects like DeployIfNotExists or Modify, not for policies with Append effect.
- ✓
Create a new policy with DeployIfNotExists effect
Why this is correct
A policy with DeployIfNotExists effect can deploy a resource (like a script) to add tags to existing resources. After assignment, a remediation task can run to apply the fix.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Azure Resource Graph to query and update
Why it's wrong here
Azure Resource Graph can query resources but does not automatically update them; you would need additional scripting or tooling.
- ✗
Create an Azure Automation runbook
Why it's wrong here
An Automation runbook can be used to update tags, but it would require manual or scheduled execution and is not natively integrated with Azure Policy for automatic remediation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume a remediation task can be created for any policy, but remediation tasks only work with DeployIfNotExists or Modify effects, not with the 'append' effect used in the scenario.
Detailed technical explanation
How to think about this question
The DeployIfNotExists effect works by evaluating resources against the policy rule and, if non-compliant, triggering a deployment of a linked ARM template. This template runs with a system-assigned managed identity that has the necessary permissions (e.g., Contributor) to modify the resource. In contrast, the 'append' effect only adds tags during resource creation via the Azure Resource Manager API, making it ineffective for existing resources. A real-world scenario is a large enterprise with thousands of untagged VMs; DINE can automatically tag them in bulk without manual scripting.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this AZ-900 question test?
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: Create a new policy with DeployIfNotExists effect — Option B is correct because the DeployIfNotExists (DINE) policy effect can automatically remediate non-compliant resources, including those created before the policy assignment. When combined with a managed identity, DINE triggers a deployment task that adds the required tags without manual intervention, addressing the gap left by the 'append' effect which only acts on new 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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.
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