Quick Answer
The answer is to configure the Conditional Access policy setting "Require device to be marked as compliant." This setting works by checking that the device is enrolled in Microsoft Intune and has passed all defined compliance policies—such as encryption, OS version, and jailbreak detection—before granting access to corporate email. On the Microsoft Cybersecurity Architect exam, this tests your understanding of how Conditional Access integrates with device management to enforce a zero-trust posture; a common trap is confusing "Require compliant device" with "Require hybrid Azure AD join," which checks domain membership but not health. Remember that compliance is about the device’s current security state, not just its identity. A helpful memory tip: think "Compliant = Clean and Current," meaning the device must meet your security hygiene rules right now, not just be joined to a domain.
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. 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. 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.
A company uses Microsoft Entra ID for identity management. They want to ensure that only managed devices can access corporate email. Which Conditional Access policy setting should be configured?
Require multifactor authentication
Why wrong: MFA does not enforce device management.
Block legacy authentication
Why wrong: This blocks old protocols, not unmanaged devices.
Require approved client app
Why wrong: This restricts app usage, not device management.
Require device to be marked as compliant
This ensures only managed and compliant devices can access.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Require device to be marked as compliant
To ensure only managed devices can access corporate email, you need to enforce device compliance. The Conditional Access policy setting 'Require device to be marked as compliant' checks that the device is enrolled in Microsoft Intune and meets all compliance policies (e.g., encryption, OS version, jailbreak detection) before granting access. This directly restricts access to managed devices only.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Require multifactor authentication
Why it's wrong here
MFA does not enforce device management.
Block legacy authentication
Why it's wrong here
This blocks old protocols, not unmanaged devices.
Require approved client app
Why it's wrong here
This restricts app usage, not device management.
Require device to be marked as compliant
Why this is correct
This ensures only managed and compliant devices can access.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse 'Require device to be marked as compliant' with 'Require approved client app' or 'Require multifactor authentication,' thinking that MFA or app approval alone ensures device management, but only compliance enforcement ties directly to Intune-managed device policies.
Detailed technical explanation
Under the hood, the 'Require device to be marked as compliant' condition relies on Microsoft Entra ID checking the device's compliance status, which is reported by Microsoft Intune via the Device Health Attestation (DHA) service. This includes verifying TPM attestation, BitLocker status, and security baseline settings. In a real-world scenario, if a device is lost or stolen, Intune can remotely retire it, and the Conditional Access policy will immediately block access because the device is no longer compliant.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Design solutions that align with security best practices and priorities — This question tests Design solutions that align with security best practices and priorities — Read the scenario before looking for a memorised answer..
The correct answer is: Require device to be marked as compliant — To ensure only managed devices can access corporate email, you need to enforce device compliance. The Conditional Access policy setting 'Require device to be marked as compliant' checks that the device is enrolled in Microsoft Intune and meets all compliance policies (e.g., encryption, OS version, jailbreak detection) before granting access. This directly restricts access to managed devices only.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
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Variation 1. An organization wants to ensure that all Windows 10 devices are compliant with security policies before they can access corporate email. Microsoft Intune is used for device management. Which component should be used to enforce compliance and block non-compliant devices?
easyWhy B: Option B is correct because Microsoft Entra ID Conditional Access policies can evaluate Intune device compliance status in real time. When a device is marked non-compliant by an Intune compliance policy, the Conditional Access policy blocks access to corporate email (e.g., Exchange Online) until the device is remediated. This integration enforces a 'compliant device required' gate that cannot be achieved by Intune compliance alone, which only reports status without blocking access.
Last reviewed: Jun 24, 2026
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