This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: compliance policy. 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.
Exhibit
Intune compliance policy: "M365 Security Baseline"
- Require BitLocker: Yes
- Require Secure Boot: Yes
- Mark device noncompliant: Immediately
Conditional Access policy: "Require compliant device"
- Assignment: All users, all cloud apps
- Grant control: Block access for noncompliant devices
You are reviewing the device compliance configuration shown in the exhibit. Devices that do not meet the compliance policy are targeted by a Conditional Access policy whose grant control is set to block. What is the most likely outcome of this configuration?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Exhibit
Intune compliance policy: "M365 Security Baseline"
- Require BitLocker: Yes
- Require Secure Boot: Yes
- Mark device noncompliant: Immediately
Conditional Access policy: "Require compliant device"
- Assignment: All users, all cloud apps
- Grant control: Block access for noncompliant devices
A
Access for non-compliant devices will be blocked
The 'Deny' effect blocks non-compliant resource creation.
B
Non-compliant devices will automatically be remediated
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Access for non-compliant devices will be blocked
Option A is correct: when an Intune compliance policy marks a device noncompliant and a Conditional Access policy blocks access for noncompliant devices, users on those devices are blocked from signing in to Microsoft 365 cloud apps. Option B is wrong because automatic remediation requires configuring remediation actions, not a block grant. Option C is wrong because the assignment shown targets all users, not tagged devices. Option D describes report-only mode, which is not what a block grant control does.
Key principle: Compliance policy
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Access for non-compliant devices will be blocked
Why this is correct
The 'Deny' effect blocks non-compliant resource creation.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Compliance policy
✗
Non-compliant devices will automatically be remediated
Why it's wrong here
Remediation requires 'DeployIfNotExists' effect.
✗
The policy will only apply to devices with specific tags
Why it's wrong here
No tag condition is specified in the assignment.
✗
Non-compliant devices will be audited and logged
Why it's wrong here
Audit effect is 'Audit', not 'Deny'.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The MS-900 trap is confusing compliance policies (which evaluate and mark devices) with Conditional Access (which enforces the access decision). Marking a device noncompliant does nothing by itself — enforcement happens when Conditional Access consumes the compliance signal.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Compliance policy
Deny effect
Microsoft 365 security baseline
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
Compliance policy
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 security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Compliance policy.
What is the correct answer to this question?
The correct answer is: Access for non-compliant devices will be blocked — Option A is correct: when an Intune compliance policy marks a device noncompliant and a Conditional Access policy blocks access for noncompliant devices, users on those devices are blocked from signing in to Microsoft 365 cloud apps. Option B is wrong because automatic remediation requires configuring remediation actions, not a block grant. Option C is wrong because the assignment shown targets all users, not tagged devices. Option D describes report-only mode, which is not what a block grant control does.
What should I do if I get this MS-900 question wrong?
Review compliance policy, then practise related MS-900 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Compliance policy
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