MS-900 Describe Microsoft 365 apps and services Practice Question
This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
An enterprise wants to allow employees to access corporate resources (emails, files, intranet) from unmanaged personal devices while ensuring that corporate data cannot be copied to personal apps. Which Microsoft 365 technology should be configured?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Intune Mobile Application Management (MAM)
Microsoft Intune Mobile Application Management (MAM) allows administrators to apply data protection policies directly to applications, such as Outlook and SharePoint, without enrolling the device itself. This enables employees to access corporate resources from unmanaged personal devices while preventing data from being copied or transferred to personal apps through features like multi-identity management and app-level PIN policies.
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.
✗
Microsoft Intune Mobile Device Management (MDM)
Why it's wrong here
MDM requires enrolling the entire device, which may not be desired for personal devices.
✓
Microsoft Intune Mobile Application Management (MAM)
Why this is correct
MAM allows policy-driven data protection at the app level, separating corporate and personal data.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Entra ID Conditional Access
Why it's wrong here
Conditional Access controls access based on conditions but does not prevent data transfer between apps.
✗
Microsoft Baseline Protection
Why it's wrong here
That is not a specific Microsoft 365 technology; no such term.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse MDM (device-level management) with MAM (app-level management), assuming that any data protection requires full device enrollment, when MAM provides the exact capability needed for unmanaged devices.
Detailed technical explanation
How to think about this question
Intune MAM policies use the Intune App SDK or MAM-WE (Mobile Application Management for Windows) to enforce data protection at the application layer, leveraging capabilities like app-level encryption, clipboard restrictions, and managed browser policies. In a real-world scenario, a user can open a corporate email attachment in Outlook on their personal iPhone, but MAM policies prevent them from saving that attachment to the device's local storage or sharing it via a personal messaging app, even though the device is not enrolled.
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-900 question in full detail.
Describe Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Intune Mobile Application Management (MAM) — Microsoft Intune Mobile Application Management (MAM) allows administrators to apply data protection policies directly to applications, such as Outlook and SharePoint, without enrolling the device itself. This enables employees to access corporate resources from unmanaged personal devices while preventing data from being copied or transferred to personal apps through features like multi-identity management and app-level PIN policies.
What should I do if I get this MS-900 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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