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MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. 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.
Which three of the following are core components of Microsoft’s Zero Trust security model as implemented in Microsoft 365? (Choose three.)
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
✓
Verify explicitly
The Zero Trust security model is built on three foundational principles: verify explicitly, use least privileged access, and assume breach. In Microsoft 365, 'verify explicitly' means authenticating and authorizing every access request based on all available data points (user identity, device health, location, etc.). 'Use least privileged access' limits user permissions to only what is necessary, enforced through tools like Privileged Identity Management (PIM) and Conditional Access. 'Assume breach' designs the environment to minimize blast radius and segment access, assuming an attacker is already present, which drives practices like micro-segmentation and continuous monitoring.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse security best practices (like encryption or firewalls) with the core Zero Trust principles, or mistakenly think Zero Trust requires on-premises identity, when in fact it is designed to work with cloud-native identity providers like Azure AD.
Detailed technical explanation
How to think about this question
Under the hood, 'verify explicitly' in Microsoft 365 leverages Azure AD Conditional Access policies that evaluate signals such as real-time risk scores from Identity Protection, device compliance from Intune, and sign-in frequency. 'Assume breach' is operationalized through tools like Microsoft Defender for Cloud Apps (session policies) and Azure AD access reviews, which continuously monitor for anomalous behavior and enforce just-in-time (JIT) access. In a real-world scenario, a compromised admin token would be blocked by Conditional Access requiring device compliance, even if the password is correct, illustrating how verification is not binary but continuous.
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
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FAQ
Questions learners often ask
What does this MS-900 question test?
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Verify explicitly — The Zero Trust security model is built on three foundational principles: verify explicitly, use least privileged access, and assume breach. In Microsoft 365, 'verify explicitly' means authenticating and authorizing every access request based on all available data points (user identity, device health, location, etc.). 'Use least privileged access' limits user permissions to only what is necessary, enforced through tools like Privileged Identity Management (PIM) and Conditional Access. 'Assume breach' designs the environment to minimize blast radius and segment access, assuming an attacker is already present, which drives practices like micro-segmentation and continuous monitoring.
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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Last reviewed: Jun 11, 2026
This MS-900 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 MS-900 exam.
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