Quick Answer
The answer is the Deny effect. This is the correct choice because it actively blocks any resource creation or update request that does not include the required Department tag, enforcing compliance at the moment of the operation rather than merely reporting it. Unlike the Audit effect, which only logs non-compliant resources for later review, Deny prevents the non-compliant resource from being provisioned at all, directly meeting the requirement to block new resources missing the tag. On the AZ-104 exam, this scenario tests your understanding of Azure Policy effects and their operational impact, often appearing as a trap where candidates confuse Audit (which only warns) with Deny (which enforces). A common memory tip is to think of Deny as a bouncer at the door—it stops the resource from entering the subscription if it lacks the required tag, while Audit is just a clipboard noting who got in without it.
This AZ-104 practice question tests your understanding of manage azure identities 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 team wants every resource in a subscription to include a Department tag. New resources that do not have the tag should be blocked from being created. Which Azure Policy effect should you use?
Audit
Why wrong: Audit reports noncompliance but still allows the resource to be created.
Deny
Deny stops noncompliant deployments, which matches the requirement to block missing tags.
Append
Why wrong: Append can add or modify properties in some cases, but it does not simply block creation.
Disabled
Why wrong: Disabled turns off enforcement and would not help with mandatory tagging.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Deny
The Deny effect is correct because it actively blocks any resource creation or update request that does not include the required Department tag, enforcing compliance at the time of the operation. Unlike Audit, which only logs non-compliant resources, Deny prevents the non-compliant resource from being provisioned, directly meeting the requirement to block new resources without the tag.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Audit
Why it's wrong here
Audit reports noncompliance but still allows the resource to be created.
Deny
Why this is correct
Deny stops noncompliant deployments, which matches the requirement to block missing tags.
Related concept
Read the scenario before looking for a memorised answer.
Append
Why it's wrong here
Append can add or modify properties in some cases, but it does not simply block creation.
Disabled
Why it's wrong here
Disabled turns off enforcement and would not help with mandatory tagging.
Common exam traps
The trap here is that candidates often confuse Append with Deny, thinking Append will automatically add the tag and thus 'block' the resource, but Append only modifies the request and does not prevent creation if the tag cannot be applied, whereas Deny actively rejects the request.
Detailed technical explanation
Under the hood, the Deny effect uses Azure Resource Manager's role-based access control (RBAC) to evaluate the policy rule during the PUT or PATCH request for a resource. If the condition (e.g., missing Department tag) is met, the policy engine returns an HTTP 403 Forbidden status with a policy violation message, preventing the resource from being created. A subtle behavior is that Deny can also block updates to existing resources if they would remove the required tag, which is important for maintaining compliance over the resource lifecycle.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Manage Azure Identities and Governance — This question tests Manage Azure Identities and Governance — Read the scenario before looking for a memorised answer..
The correct answer is: Deny — The Deny effect is correct because it actively blocks any resource creation or update request that does not include the required Department tag, enforcing compliance at the time of the operation. Unlike Audit, which only logs non-compliant resources, Deny prevents the non-compliant resource from being provisioned, directly meeting the requirement to block new resources without the tag.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
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Variation 1. The platform team wants every resource deployed in a subscription to include an Environment tag. New resources that do not meet the rule must be blocked, and existing noncompliant resources should appear in compliance reports. What should be configured?
mediumWhy A: Azure Policy with a deny effect at the subscription scope is the correct choice because it enforces a rule that blocks the creation or update of any resource that does not include the required 'Environment' tag. The deny effect actively prevents noncompliant deployments, while the policy itself evaluates existing resources and marks them as noncompliant in compliance reports, meeting both requirements.
Last reviewed: Jun 11, 2026
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