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. 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.
A company uses Microsoft Intune to manage devices. They want to ensure that only devices that have passed health attestation can access corporate email. Which method should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a device compliance policy for health attestation and use Conditional Access to require compliant devices
Option B is correct because it combines a device compliance policy that evaluates health attestation (e.g., BitLocker status, Secure Boot, code integrity) with a Conditional Access policy that grants access to corporate email only when the device is marked as compliant. This is the standard Microsoft approach for enforcing health attestation before granting access to cloud resources like Exchange Online.
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.
✗
Use Microsoft Defender for Endpoint to block devices that fail health attestation
Why it's wrong here
Defender for Endpoint is for threat detection, not conditional access.
✓
Create a device compliance policy for health attestation and use Conditional Access to require compliant devices
Why this is correct
Compliance policies define health requirements; Conditional Access enforces access based on compliance.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an app protection policy to require device health attestation
Why it's wrong here
App protection policies manage app-level data protection, not device health.
✗
Create a device configuration policy to enforce health attestation
Why it's wrong here
Device configuration policies set device settings, not access controls.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing device compliance policies (which evaluate and report health state) with device configuration policies (which only apply settings), leading candidates to pick Option D, which cannot enforce access control.
Detailed technical explanation
How to think about this question
Health attestation in Intune uses the Device Health Attestation Service (DHA) which validates TPM-backed measurements like Secure Boot, Boot Debugging, and Early Launch Anti-Malware (ELAM) status. The compliance policy checks these attestation results against defined rules, and Conditional Access enforces the 'Require device to be marked as compliant' grant control, which evaluates the compliance state at each authentication request. In a real-world scenario, a device with a compromised boot chain would fail attestation, be marked non-compliant, and be blocked from accessing Exchange Online even if it has valid user credentials.
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: Create a device compliance policy for health attestation and use Conditional Access to require compliant devices — Option B is correct because it combines a device compliance policy that evaluates health attestation (e.g., BitLocker status, Secure Boot, code integrity) with a Conditional Access policy that grants access to corporate email only when the device is marked as compliant. This is the standard Microsoft approach for enforcing health attestation before granting access to cloud resources like Exchange Online.
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.
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Question Discussion
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