The answer is Conditional Access with session controls. This capability is correct because it enforces continuous access evaluation (CAE) by intercepting real-time signals—such as changes in user risk, device compliance, or location—after the initial authentication, ensuring that access to sensitive applications is verified continuously throughout the session rather than only at sign-in. This directly supports the zero-trust principle of "verify explicitly and continuously." On the SC-900 exam, this concept tests your understanding of how Microsoft Entra ID implements continuous access evaluation as a core zero-trust mechanism; a common trap is confusing it with standard Conditional Access policies that only evaluate at sign-in, or with Identity Protection, which focuses on risk detection rather than real-time session enforcement. Remember the memory tip: "CAE = Check After Every signal," reinforcing that session controls keep verifying access even after the token is issued.
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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 company uses Microsoft Entra ID and is implementing a zero-trust security model. You need to ensure that all access requests to sensitive applications are verified continuously, not just at the initial sign-in. Which Microsoft Entra ID capability should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Conditional Access with session controls
Conditional Access with session controls enforces continuous access evaluation (CAE) by intercepting real-time signals—such as user risk, device compliance, or location changes—after the initial authentication. This ensures that access to sensitive applications is verified throughout the session, not just at sign-in, aligning with the zero-trust principle of 'verify explicitly and continuously.'
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.
✓
Conditional Access with session controls
Why this is correct
Conditional Access session controls enable continuous access evaluation, verifying access at every request.
Related concept
Read the scenario before looking for a memorised answer.
✗
Access reviews
Why it's wrong here
Access reviews are periodic attestations, not real-time continuous verification.
✗
Microsoft Entra Identity Protection
Why it's wrong here
Identity Protection detects risks but does not enforce continuous verification during a session.
✗
Privileged Identity Management
Why it's wrong here
PIM manages just-in-time privileged access, not continuous verification for all access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse periodic reviews (Access reviews) or risk detection (Identity Protection) with real-time enforcement, but only session controls under Conditional Access provide the continuous, event-driven verification required by zero-trust.
Detailed technical explanation
How to think about this question
Continuous access evaluation (CAE) works by having Microsoft Entra ID subscribe to critical events (e.g., user account disabled, device marked non-compliant) via the Microsoft Graph API. When such an event occurs, Entra ID sends a revocation signal to the resource provider (e.g., Exchange Online, SharePoint), which then terminates the session without requiring token expiry. This is implemented using the OAuth 2.0 token claims and the 'x-ms-continuous-access-evaluation' header, reducing the window of vulnerability from hours to 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-900 question in full detail.
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Conditional Access with session controls — Conditional Access with session controls enforces continuous access evaluation (CAE) by intercepting real-time signals—such as user risk, device compliance, or location changes—after the initial authentication. This ensures that access to sensitive applications is verified throughout the session, not just at sign-in, aligning with the zero-trust principle of 'verify explicitly and continuously.'
What should I do if I get this SC-900 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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