The answer is Conditional Access in Microsoft Entra ID. This is correct because Conditional Access policies act as the enforcement layer that checks a device’s compliance status—set by Intune compliance policies—before granting access to corporate email. While Intune defines what “compliant” means (e.g., encryption enabled, latest patches), it does not block access itself; Conditional Access reads that compliance signal and either allows or denies the sign-in. On the SC-900 exam, this question tests your understanding of how Microsoft Entra ID integrates with Intune for device-based access control, often appearing as a scenario where you must distinguish between policy creation (Intune) and policy enforcement (Conditional Access). A common trap is confusing Intune compliance policies with the actual access gate, so remember: Intune sets the rules, but Conditional Access enforces them. A helpful memory tip is “Compliance sets the stage, Conditional Access locks the cage.”
SC-900 Practice Question: Describe the concepts of security, compliance, and identity
This SC-900 practice question tests your understanding of describe the concepts of security, compliance, and identity. 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.
An organization uses Microsoft Intune to manage devices. They want to ensure that only devices that are compliant with security policies (e.g., encryption enabled, latest patches) can access corporate email. Which Microsoft Entra feature should they use to enforce this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Conditional Access in Microsoft Entra ID
Conditional Access policies can require that devices be marked as compliant by Intune before granting access. Option A is wrong because device compliance policies in Intune set the compliance state but do not enforce access. Option C is wrong because Azure AD Join is a device identity, not an access enforcement mechanism. Option D is wrong because Microsoft Defender for Endpoint provides threat detection, not access control.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Conditional Access in Microsoft Entra ID
Why this is correct
Conditional Access can block or allow access based on device compliance status.
Related concept
Static NAT maps one inside address to one outside address.
✗
Microsoft Defender for Endpoint
Why it's wrong here
Defender for Endpoint provides threat protection, not access enforcement.
✗
Device compliance policies in Microsoft Intune
Why it's wrong here
These set compliance requirements but do not enforce access; Conditional Access does.
✗
Azure AD Join
Why it's wrong here
Azure AD Join registers devices but does not enforce access policies.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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-900 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-900 NAT questions on configuration and troubleshooting.
Describe the concepts of security, compliance, and identity — This question tests Describe the concepts of security, compliance, and identity — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Conditional Access in Microsoft Entra ID — Conditional Access policies can require that devices be marked as compliant by Intune before granting access. Option A is wrong because device compliance policies in Intune set the compliance state but do not enforce access. Option C is wrong because Azure AD Join is a device identity, not an access enforcement mechanism. Option D is wrong because Microsoft Defender for Endpoint provides threat detection, not access control.
What should I do if I get this SC-900 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-900 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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