The answer is to use the 'Disable app' governance action in the policy and configure email notification. This is the most efficient design because Defender for Cloud Apps includes a built-in governance action that automatically disables the suspicious OAuth app upon detection, while the email notification feature simultaneously alerts the user without requiring any external automation or manual steps. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of native policy actions versus custom solutions; a common trap is choosing a notification-only option or an incident-based response, both of which fail to automatically disable the app. Remember the key distinction: governance actions in Defender for Cloud Apps are designed for direct, automated remediation, so when you need to auto-disable OAuth app permissions, look for the action that says "Disable app" rather than relying on alerts or playbooks. A useful memory tip is "Disable and Notify" — the built-in action handles both tasks in one policy.
SC-100 Design security solutions for infrastructure Practice Question
This SC-100 practice question tests your understanding of design security solutions for infrastructure. 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.
Your organization has a Microsoft Defender for Cloud Apps policy that detects suspicious OAuth app permissions. You need to ensure that when a high-risk app is detected, the app is automatically disabled and the user is notified. What is the most efficient design?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the 'Disable app' governance action in the policy, and configure email notification
Option B is correct because it uses the built-in governance action in Defender for Cloud Apps to disable the app and send email. Option A is incomplete as notification alone doesn't disable. Option C is less efficient because it requires additional automation. Option D is incorrect because Incident does not automatically disable the app.
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.
✓
Use the 'Disable app' governance action in the policy, and configure email notification
Why this is correct
Defender for Cloud Apps can automatically disable the app and notify the user.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure the policy to notify the user via email
Why it's wrong here
Notification alone does not disable the app.
✗
Send the alert to Microsoft Sentinel and create an incident with a playbook
Why it's wrong here
Adds complexity; built-in governance is more efficient.
✗
Create a Power Automate flow that triggers on the alert to disable the app
Why it's wrong here
Possible but not the most efficient built-in method.
Common exam traps
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.
Detailed technical explanation
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.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Identify which SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design security solutions for infrastructure — This question tests Design security solutions for infrastructure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the 'Disable app' governance action in the policy, and configure email notification — Option B is correct because it uses the built-in governance action in Defender for Cloud Apps to disable the app and send email. Option A is incomplete as notification alone doesn't disable. Option C is less efficient because it requires additional automation. Option D is incorrect because Incident does not automatically disable the app.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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