The answer is to create a playbook that uses the Microsoft Graph API to apply a mailbox litigation hold or block access. This is correct because Microsoft Sentinel playbooks, built on Azure Logic Apps, can automate remediation by calling the Microsoft Graph API to enforce mailbox isolation, such as placing a litigation hold or blocking user sign-ins, directly responding to a high-confidence phishing email detected by Defender for Office 365. On the SC-200 exam, this tests your understanding of how Sentinel orchestrates automated incident response across Microsoft 365 services, often appearing as a scenario where you must distinguish between a playbook (which uses Logic Apps and Graph API) and simpler automation rules or native Defender policies. A common trap is choosing a Defender for Office 365 mail flow rule, which cannot isolate a mailbox after delivery—only a playbook can perform post-detection actions like applying a hold. Memory tip: think “Playbook + Graph = Post-Delivery Isolation.”
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. 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 uses Microsoft Defender for Office 365. You want to automatically isolate a user's mailbox if a high-confidence phishing email is detected. Which Microsoft Sentinel automation should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a playbook that uses the Microsoft Graph API to apply a mailbox litigation hold or block access.
Option B is correct because Microsoft Sentinel playbooks, built on Azure Logic Apps, can use the Microsoft Graph API to perform automated remediation actions like applying a mailbox litigation hold or blocking user access. This enables automatic isolation of a user's mailbox when a high-confidence phishing email is detected, which is a key incident response capability in Defender for Office 365.
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 a workbook to display the alert and manually isolate the mailbox.
Why it's wrong here
Workbooks are for reporting, not automation.
✓
Create a playbook that uses the Microsoft Graph API to apply a mailbox litigation hold or block access.
Why this is correct
Playbooks can automate response actions using APIs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable the Office 365 connector and configure automatic response in the data connector.
Why it's wrong here
The Office 365 connector ingests logs but does not provide automated response actions.
✗
Create a scheduled analytics rule that isolates the mailbox when triggered.
Why it's wrong here
Analytics rules do not have built-in actions; they only generate alerts or incidents.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse data connectors (which only ingest data) with automated response capabilities, or assume that analytics rules can directly execute remediation actions, when in fact only playbooks (or automation rules that invoke playbooks) can perform such actions.
Detailed technical explanation
How to think about this question
Under the hood, a Sentinel playbook uses an Azure Logic Apps trigger (e.g., 'When a Microsoft Sentinel incident is created') and then calls the Microsoft Graph API endpoint `https://graph.microsoft.com/v1.0/users/{user-id}/mailboxSettings` to apply a litigation hold or uses `https://graph.microsoft.com/v1.0/users/{user-id}/revokeSignInSessions` to block access. This integration allows for near-real-time response, but note that Graph API throttling limits (e.g., 10,000 requests per 10 minutes per tenant) must be considered in high-volume environments.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a playbook that uses the Microsoft Graph API to apply a mailbox litigation hold or block access. — Option B is correct because Microsoft Sentinel playbooks, built on Azure Logic Apps, can use the Microsoft Graph API to perform automated remediation actions like applying a mailbox litigation hold or blocking user access. This enables automatic isolation of a user's mailbox when a high-confidence phishing email is detected, which is a key incident response capability in Defender for Office 365.
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.
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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