The answer is to assign Azure Policy definitions with the 'deny' effect at the subscription scope. This is correct because the deny effect proactively evaluates each resource deployment request against your defined policy rules during the creation or update operation, blocking any non-compliant resource before it is provisioned. Unlike audit or modify effects that allow deployment and require post-deployment remediation, deny enforces compliance before deployment by rejecting the request at the Azure Resource Manager level, making it the only approach that prevents violations from ever existing. On the Microsoft Cybersecurity Architect exam, this tests your understanding of proactive versus reactive governance controls; a common trap is choosing Azure Blueprints or RBAC, which manage templates or permissions but do not block non-compliant resources. Remember the memory tip: "Deny at deploy, no mess to enjoy" — if you need to enforce compliance before deployment, deny is the only effect that stops the resource from being created.
SC-100 Practice Question: Recommend security best practices and priorities
This SC-100 practice question tests your understanding of recommend security best practices and priorities. 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 is implementing a cloud security governance strategy. They need to ensure that all Azure resources are compliant with internal security policies before deployment. Which approach should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Assign Azure Policy definitions with 'deny' effect at the subscription scope
Azure Policy with the 'deny' effect is the correct approach because it proactively prevents the deployment of any resource that violates defined security policies at the subscription scope. This ensures compliance before deployment by evaluating the resource against policy rules during the creation or update operation, blocking the request if non-compliant. Unlike reactive measures, this enforces governance at the point of deployment without requiring post-deployment remediation.
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.
✗
Configure Azure Firewall to block non-compliant resources
Assign Azure Policy definitions with 'deny' effect at the subscription scope
Why this is correct
Azure Policy can deny non-compliant resource creation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Deploy resources using Azure Blueprints
Why it's wrong here
Blueprints create environments but do not enforce compliance on individual resources.
✗
Use Azure DevOps pipelines with manual approval gates
Why it's wrong here
Manual gates are not automated compliance enforcement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Policy with Azure Blueprints, thinking Blueprints enforce compliance, but Blueprints only package and deploy policies—the actual enforcement comes from the Policy definitions themselves.
Detailed technical explanation
How to think about this question
Azure Policy uses a policy engine within the Azure Resource Manager that intercepts all resource creation, update, and deletion requests. When a 'deny' effect is assigned, the engine evaluates the resource properties against the policy rule (written in JSON using conditions like 'equals', 'like', or 'exists') and returns an HTTP 403 Forbidden status if the resource is non-compliant, preventing the resource from being provisioned. This evaluation occurs before any resource is created, ensuring that even if a user has Contributor permissions, they cannot deploy a resource that violates the policy.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Recommend security best practices and priorities — This question tests Recommend security best practices and priorities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Assign Azure Policy definitions with 'deny' effect at the subscription scope — Azure Policy with the 'deny' effect is the correct approach because it proactively prevents the deployment of any resource that violates defined security policies at the subscription scope. This ensures compliance before deployment by evaluating the resource against policy rules during the creation or update operation, blocking the request if non-compliant. Unlike reactive measures, this enforces governance at the point of deployment without requiring post-deployment remediation.
What should I do if I get this SC-100 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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Question Discussion
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