The answer is Microsoft Entra ID Conditional Access. This feature is the correct choice because it operationalizes the Zero Trust continuous verification principle by evaluating user identity, device health, location, and real-time risk signals at every access request, not just at login. On the Microsoft Cybersecurity Architect exam, this question tests your understanding of how Conditional Access enforces the “never trust, always verify” mandate through policies that integrate with compliance policies and Microsoft Defender for Endpoint for device health checks. A common trap is confusing Conditional Access with Privileged Identity Management or Identity Protection; remember that Conditional Access is the policy engine that gates access, while the others provide specific controls or risk data. For a memory tip, think of Conditional Access as the “bouncer” that checks ID, health, and risk every time someone tries to enter, not just at the front door.
SC-100 Practice Question: Design solutions that align with security best practices and priorities
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. 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 is adopting a Zero Trust security model. You need to design a solution that ensures continuous verification of user identity and device health before granting access to resources. Which Microsoft Entra ID feature should you prioritize?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Entra ID Conditional Access
Option C is correct because Conditional Access is the primary Microsoft Entra ID feature that enforces continuous verification by evaluating user identity, device health (via compliance policies or Microsoft Defender for Endpoint signals), location, and risk in real-time before granting access. It directly supports the Zero Trust principle of 'never trust, always verify' by requiring authentication and authorization at every access attempt, not just at the perimeter.
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 Entra ID Domain Services
Why it's wrong here
Domain Services provides legacy authentication, not modern Zero Trust controls.
✗
Microsoft Entra ID Identity Protection
Why it's wrong here
Identity Protection detects risks but does not enforce access decisions.
✓
Microsoft Entra ID Conditional Access
Why this is correct
Conditional Access enforces access policies based on real-time signals, aligning with Zero Trust.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Entra ID Privileged Identity Management (PIM)
Why it's wrong here
PIM manages privileged role activation, not continuous access verification.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Identity Protection's risk detection capabilities with the enforcement mechanism, but Identity Protection alone cannot block access based on device health or enforce conditional policies—it only provides signals that must be consumed by Conditional Access to make a decision.
Detailed technical explanation
How to think about this question
Conditional Access policies can integrate with Microsoft Intune device compliance policies and Microsoft Defender for Endpoint device risk scores to enforce granular controls, such as requiring a compliant device or a specific OS version. Under the hood, it uses the Entra ID authentication pipeline to evaluate conditions like sign-in risk (from Identity Protection) and device state (from Intune) before issuing a token, and it can revoke access mid-session via continuous access evaluation (CAE), which uses OAuth 2.0 claims challenges to enforce policy changes in near real-time.
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 SC-100 question in full detail.
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..
What is the correct answer to this question?
The correct answer is: Microsoft Entra ID Conditional Access — Option C is correct because Conditional Access is the primary Microsoft Entra ID feature that enforces continuous verification by evaluating user identity, device health (via compliance policies or Microsoft Defender for Endpoint signals), location, and risk in real-time before granting access. It directly supports the Zero Trust principle of 'never trust, always verify' by requiring authentication and authorization at every access attempt, not just at the perimeter.
What should I do if I get this SC-100 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.
About these practice questions
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Variation 1. Your organization is adopting a Zero Trust network strategy. Which Microsoft solution should you use to implement micro-segmentation and enforce identity-based access controls for on-premises and cloud resources?
easy
✓ A.Microsoft Entra ID Conditional Access
B.Microsoft Defender for Cloud Apps
C.Microsoft Intune
D.Microsoft Sentinel
Why A: Microsoft Entra ID Conditional Access enforces identity-based access policies, which is a core component of Zero Trust. Option B is wrong because Microsoft Defender for Cloud Apps is a CASB. Option C is wrong because Microsoft Intune manages devices. Option D is wrong because Microsoft Sentinel is a SIEM.
Last reviewed: Jun 24, 2026
Question Discussion
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