- A
Least privilege
Why wrong: Least privilege is a security principle that grants users the minimum level of access needed to perform their job. While RBAC often helps achieve least privilege, the scenario specifically describes assigning permissions by job role, which is RBAC.
- B
Role-Based Access Control (RBAC)
RBAC assigns permissions to users based on their defined roles or job functions. This matches the scenario where permissions are determined by job title.
- C
Defense in depth
Why wrong: Defense in depth is a security strategy that uses multiple layers of controls. It does not refer to role-based permission assignment.
- D
Zero Trust
Why wrong: Zero Trust is a security model that assumes no implicit trust and verifies every access request. It is broader than role-based assignment.
Quick Answer
The correct answer is Role-Based Access Control (RBAC) because it grants permissions based on a user’s job title or role within an organization, rather than on individual identity. In this scenario, the Sales Manager role is assigned edit permissions while the Sales User role is restricted to read-only, which perfectly illustrates how RBAC ties access rights to predefined roles. On the Microsoft SC-900 exam, this concept tests your understanding of identity and access management fundamentals, often appearing in scenarios where you must distinguish RBAC from attribute-based or discretionary access control. A common trap is confusing RBAC with least privilege—remember that RBAC focuses on the role itself, not the minimum permissions needed. To recall this easily, think of the mnemonic “Role Rules Rights”: if the permission follows the job title, it’s RBAC.
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.
A company assigns permissions to users based strictly on their job title (e.g., Sales Manager can edit documents, Sales User can only read). Which identity and access management concept is being implemented?
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
Role-Based Access Control (RBAC)
Role-Based Access Control (RBAC) is the correct concept because it assigns permissions to users based on their job title or role within the organization. In this scenario, the Sales Manager role is granted edit permissions, while the Sales User role is restricted to read-only, which is a direct implementation of RBAC where access rights are tied to roles rather than individual users.
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.
- ✗
Least privilege
Why it's wrong here
Least privilege is a security principle that grants users the minimum level of access needed to perform their job. While RBAC often helps achieve least privilege, the scenario specifically describes assigning permissions by job role, which is RBAC.
- ✓
Role-Based Access Control (RBAC)
Why this is correct
RBAC assigns permissions to users based on their defined roles or job functions. This matches the scenario where permissions are determined by job title.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Defense in depth
Why it's wrong here
Defense in depth is a security strategy that uses multiple layers of controls. It does not refer to role-based permission assignment.
- ✗
Zero Trust
Why it's wrong here
Zero Trust is a security model that assumes no implicit trust and verifies every access request. It is broader than role-based assignment.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse least privilege with RBAC, thinking that assigning minimal permissions per role is the same as the principle of least privilege, but RBAC is specifically about organizing permissions by role, while least privilege is a broader security goal that can be achieved through RBAC or other methods.
Trap categories for this question
Scenario analysis trap
Least privilege is a security principle that grants users the minimum level of access needed to perform their job. While RBAC often helps achieve least privilege, the scenario specifically describes assigning permissions by job role, which is RBAC.
Detailed technical explanation
How to think about this question
RBAC is defined by the NIST standard (INCITS 359) and uses role hierarchies and permissions that are assigned to roles, not users directly. Under the hood, when a user authenticates, their role membership is resolved via an identity provider (e.g., Azure AD), and access tokens include role claims that are evaluated by the resource (e.g., SharePoint) to enforce permissions. A real-world scenario is in Azure RBAC where a 'Contributor' role can manage resources but not assign permissions, while a 'Reader' role can only view them, mirroring the job-title-based assignment in the question.
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.
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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: Role-Based Access Control (RBAC) — Role-Based Access Control (RBAC) is the correct concept because it assigns permissions to users based on their job title or role within the organization. In this scenario, the Sales Manager role is granted edit permissions, while the Sales User role is restricted to read-only, which is a direct implementation of RBAC where access rights are tied to roles rather than individual users.
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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Last reviewed: Jun 11, 2026
This SC-900 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-900 exam.
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