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 plans to implement a Zero Trust architecture using Microsoft security solutions. They want to ensure that all access to corporate resources is verified explicitly, uses least privilege, and assumes breach. Which Microsoft service should be the central policy engine for enforcing conditional access decisions?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Microsoft Entra ID Conditional Access
Conditional Access is the core policy engine for Zero Trust.
Microsoft Defender for Cloud
Why wrong: Defender for Cloud is for cloud security posture, not access control.
Microsoft Sentinel
Why wrong: Sentinel is a SIEM, not an access policy engine.
Microsoft Intune
Why wrong: Intune manages device compliance but not access policies.
Answer choices
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
Microsoft Entra ID Conditional Access is the correct central policy engine because it directly enforces Zero Trust principles by evaluating signals (user, device, location, risk) in real time to grant or block access. It acts as the policy decision point (PDP) that enforces explicit verification, least privilege, and assumes breach by requiring continuous authentication and authorization for every access request.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Microsoft Entra ID Conditional Access
Why this is correct
Conditional Access is the core policy engine for Zero Trust.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Microsoft Defender for Cloud
Why it's wrong here
Defender for Cloud is for cloud security posture, not access control.
Microsoft Sentinel
Why it's wrong here
Sentinel is a SIEM, not an access policy engine.
Microsoft Intune
Why it's wrong here
Intune manages device compliance but not access policies.
Common exam traps
The trap here is that candidates confuse Microsoft Defender for Cloud's security policy (which governs cloud resource configurations) with Entra ID's conditional access policy (which governs user access decisions), leading them to select Defender for Cloud as the central policy engine.
Detailed technical explanation
Under the hood, Entra ID Conditional Access uses a policy engine that evaluates conditions such as user risk (from Identity Protection), device compliance (from Intune), and location (via named locations) before issuing an access token. It integrates with the OAuth 2.0 authorization framework, where the policy engine can block token issuance or require step-up authentication (e.g., MFA) at the time of request. In a real-world scenario, if a user attempts to access SharePoint from an untrusted network, Conditional Access can block the request or require a compliant device, enforcing least privilege and assuming breach by treating every request as potentially hostile.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Design solutions that align with security best practices and priorities — study guide chapter
Learn the concepts, then practise the questions
Design solutions that align with security best practices and priorities practice questions
Targeted practice on this topic area only
All SC-100 questions
969 questions across all exam domains
Microsoft Cybersecurity Architect study guide
Full concept coverage aligned to exam objectives
SC-100 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise SC-100 questions linked to Design solutions that align with security best practices and priorities.
Practise SC-100 questions linked to Design security operations, identity, and compliance capabilities.
Practise SC-100 questions linked to Design security solutions for infrastructure.
Practise SC-100 questions linked to Design a Zero Trust strategy and architecture.
Practise SC-100 questions linked to Design security solutions for applications and data.
Practise SC-100 questions linked to Evaluate GRC and security operations strategies.
Practise SC-100 questions linked to Design security for infrastructure.
Practise SC-100 questions linked to Design a strategy for data and applications.
Practise SC-100 questions linked to Recommend security best practices and priorities.
Practise SC-100 questions linked to SC-100 fundamentals.
Practise SC-100 questions linked to SC-100 scenario.
Practise SC-100 questions linked to SC-100 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
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..
The correct answer is: Microsoft Entra ID Conditional Access — Microsoft Entra ID Conditional Access is the correct central policy engine because it directly enforces Zero Trust principles by evaluating signals (user, device, location, risk) in real time to grant or block access. It acts as the policy decision point (PDP) that enforces explicit verification, least privilege, and assumes breach by requiring continuous authentication and authorization for every access request.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Keep practising
Last reviewed: Jun 24, 2026
This SC-100 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SC-100 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.