- A
Assume breach
Why wrong: Assume breach focuses on minimizing impact by segmenting networks, monitoring for lateral movement, and using analytics. It does not describe the authentication/authorization requirement.
- B
Verify explicitly
Verify explicitly means always authenticate and authorize based on all available data points (user identity, device health, location, etc.) before granting access, and then use least privilege.
- C
Use least privileged access
Why wrong: Use least privileged access is another principle that focuses on limiting access to the minimum necessary, but it does not cover the initial authentication and authorization step.
- D
Segment access
Why wrong: Segment access is part of Zero Trust but is more about network segmentation and micro-segmentation, not the explicit verification of every request.
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. 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.
A security architect is designing a Zero Trust security model for a hybrid organization. Which principle of Zero Trust requires that every access request must be fully authenticated and authorized regardless of the network location, and that access should be granted with the minimum level required?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Verify explicitly
B is correct because the 'Verify explicitly' principle of Zero Trust mandates that every access request must be fully authenticated and authorized based on all available data points—including user identity, device health, and location—before granting access. This principle directly requires that authentication and authorization occur for every request, regardless of network location, and that the resulting access is granted with the minimum level required, which is further enforced by the 'Use least privileged access' principle. In a hybrid organization, this ensures that even requests from inside the corporate network are treated with the same scrutiny as external requests.
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.
- ✗
Assume breach
Why it's wrong here
Assume breach focuses on minimizing impact by segmenting networks, monitoring for lateral movement, and using analytics. It does not describe the authentication/authorization requirement.
- ✓
Verify explicitly
Why this is correct
Verify explicitly means always authenticate and authorize based on all available data points (user identity, device health, location, etc.) before granting access, and then use least privilege.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use least privileged access
Why it's wrong here
Use least privileged access is another principle that focuses on limiting access to the minimum necessary, but it does not cover the initial authentication and authorization step.
- ✗
Segment access
Why it's wrong here
Segment access is part of Zero Trust but is more about network segmentation and micro-segmentation, not the explicit verification of every request.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'Verify explicitly' with 'Use least privileged access' because both involve access control, but 'Verify explicitly' is specifically about the authentication and authorization step, while 'Use least privileged access' is about the scope of permissions after access is granted.
Detailed technical explanation
How to think about this question
Under the hood, 'Verify explicitly' leverages conditional access policies in Microsoft Entra ID (formerly Azure AD) that evaluate signals such as user risk, device compliance (via Intune), and real-time sign-in frequency. For example, a request from a non-compliant device on the corporate LAN would still be blocked or require MFA, enforcing explicit verification. This contrasts with traditional perimeter-based models where internal network traffic is implicitly trusted.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Describe the concepts of security, compliance, and identity — study guide chapter
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the concepts of security, compliance, and identity — This question tests Describe the concepts of security, compliance, and identity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Verify explicitly — B is correct because the 'Verify explicitly' principle of Zero Trust mandates that every access request must be fully authenticated and authorized based on all available data points—including user identity, device health, and location—before granting access. This principle directly requires that authentication and authorization occur for every request, regardless of network location, and that the resulting access is granted with the minimum level required, which is further enforced by the 'Use least privileged access' principle. In a hybrid organization, this ensures that even requests from inside the corporate network are treated with the same scrutiny as external requests.
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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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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Last reviewed: Jun 11, 2026
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