- A
Revoke all tokens for the app in Microsoft Entra ID.
Why wrong: Token revocation does not disable the app; it can request new tokens.
- B
Generate a new client secret for the app.
Why wrong: Generating a new secret does not invalidate existing tokens and may not stop the app.
- C
From the Microsoft Defender for Cloud Apps alert, select 'Disable app'.
Defender for Cloud Apps provides a direct action to disable OAuth apps.
- D
Go to Microsoft Entra ID admin center and delete the app registration.
Why wrong: This is possible but not directly from the alert; the question implies using Defender for Cloud Apps.
Question 140 of 1,639
SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. 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 security analyst is investigating a Microsoft Defender for Cloud Apps alert about a suspicious OAuth app that has high permissions. The analyst needs to disable the app immediately. What is the correct action?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"immediately / without restart"Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
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
✓
From the Microsoft Defender for Cloud Apps alert, select 'Disable app'.
Option C is correct because Microsoft Defender for Cloud Apps provides a built-in 'Disable app' action directly from the alert, which immediately revokes the OAuth app's permissions and prevents further access without deleting the app registration. This is the fastest way to mitigate the threat while preserving the app for potential forensic analysis.
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.
- ✗
Revoke all tokens for the app in Microsoft Entra ID.
Why it's wrong here
Token revocation does not disable the app; it can request new tokens.
- ✗
Generate a new client secret for the app.
Why it's wrong here
Generating a new secret does not invalidate existing tokens and may not stop the app.
- ✓
From the Microsoft Defender for Cloud Apps alert, select 'Disable app'.
Why this is correct
Defender for Cloud Apps provides a direct action to disable OAuth apps.
Clue confirmation
The clue word "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Go to Microsoft Entra ID admin center and delete the app registration.
Why it's wrong here
This is possible but not directly from the alert; the question implies using Defender for Cloud Apps.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume revoking tokens (Option A) or deleting the app registration (Option D) is the correct immediate response, but the exam tests the specific 'Disable app' action available within the Defender for Cloud Apps alert workflow, which is the designed incident response step for OAuth app compromise.
Detailed technical explanation
How to think about this question
When you select 'Disable app' from a Defender for Cloud Apps alert, the platform sends a Graph API call to Microsoft Entra ID to set the OAuth app's 'disabledByMicrosoft' property to true, which blocks all token issuance and sign-ins for that app. This action is reversible and logs the event in the audit log, allowing security teams to later investigate or re-enable the app if needed. In contrast, manual token revocation or secret rotation does not prevent the app from re-authenticating with its existing permissions.
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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Respond to security incidents — study guide chapter
Learn the concepts, then practise the questions
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FAQ
Questions learners often ask
What does this SC-200 question test?
Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: From the Microsoft Defender for Cloud Apps alert, select 'Disable app'. — Option C is correct because Microsoft Defender for Cloud Apps provides a built-in 'Disable app' action directly from the alert, which immediately revokes the OAuth app's permissions and prevents further access without deleting the app registration. This is the fastest way to mitigate the threat while preserving the app for potential forensic analysis.
What should I do if I get this SC-200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
This SC-200 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 SC-200 exam.
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