The answer is to use Cloud Discovery in Microsoft Defender for Cloud Apps to analyze traffic logs and then define sanctioned and unsanctioned app categories within the Cloud Discovery dashboard. This works because Cloud Discovery examines your organization’s traffic logs to identify all cloud app usage, including shadow IT, while the categorization feature lets you mark apps as sanctioned or unsanctioned, enabling automated governance actions like blocking or monitoring. On the MS-102 exam, this tests your ability to manage cloud app governance using Defender for Cloud Apps, often appearing as a scenario where you must first discover unknown apps before applying controls—a common trap is forgetting that discovery must precede categorization. To remember, think “Discover first, then categorize: logs reveal the apps, tags control them.”
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 365 E5 tenant with Microsoft Defender for Cloud Apps. You need to discover and control the use of unsanctioned cloud apps. Which TWO actions should you take? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Define sanctioned and unsanctioned app categories in Microsoft Defender for Cloud Apps
Option A is correct because Microsoft Defender for Cloud Apps allows you to define sanctioned and unsanctioned app categories within the Cloud Discovery dashboard. By categorizing apps, you can apply governance actions such as blocking or monitoring, which directly controls the use of unsanctioned cloud apps. This is a foundational step in managing app usage, as it enables automated policies to enforce your organization's cloud app governance.
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.
✓
Define sanctioned and unsanctioned app categories in Microsoft Defender for Cloud Apps
Why this is correct
After discovery, you categorize apps to control access.
Related concept
Read the scenario before looking for a memorised answer.
✗
Deploy Microsoft Purview Data Loss Prevention policies
Why it's wrong here
Purview DLP protects data, not discovers apps.
✗
Configure Microsoft Entra ID App Registrations to log app usage
Why it's wrong here
App Registrations are for developing apps, not discovering unsanctioned apps.
✓
Use Cloud Discovery in Microsoft Defender for Cloud Apps to analyze traffic logs
Why this is correct
Cloud Discovery identifies unsanctioned apps from traffic logs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a Conditional Access policy to block all unsanctioned apps
Why it's wrong here
Conditional Access can block apps, but you need to discover them first.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Conditional Access policies with the ability to block unsanctioned apps, but Conditional Access requires the app to be registered in Entra ID and cannot discover or block apps that are not already known to the tenant.
Detailed technical explanation
How to think about this question
Cloud Discovery in Microsoft Defender for Cloud Apps works by analyzing traffic logs from network proxies or firewalls using the Cloud App Security log collector, which supports protocols such as FTP, HTTP, and TLS. It identifies over 31,000 cloud apps and provides a risk score based on factors like encryption, data residency, and compliance certifications. The sanctioned/unsanctioned categorization then feeds into app governance policies that can automatically block or alert on unsanctioned app usage, leveraging the Defender for Cloud Apps proxy or API-based controls.
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 MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Define sanctioned and unsanctioned app categories in Microsoft Defender for Cloud Apps — Option A is correct because Microsoft Defender for Cloud Apps allows you to define sanctioned and unsanctioned app categories within the Cloud Discovery dashboard. By categorizing apps, you can apply governance actions such as blocking or monitoring, which directly controls the use of unsanctioned cloud apps. This is a foundational step in managing app usage, as it enables automated policies to enforce your organization's cloud app governance.
What should I do if I get this MS-102 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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