- A
Identification and authorization
Why wrong: Identification is simply claiming an identity (e.g., by providing a username). The smart card and PIN are used to prove identity (authentication), not just claim it.
- B
Authentication and authorization
The smart card and PIN authenticate the user. Then the operating system authorizes (or denies) access to the folder based on permissions.
- C
Authentication and accounting
Why wrong: Accounting tracks user activities for auditing or billing purposes. The scenario focuses on access control, not tracking.
- D
Identification and authentication
Why wrong: While both identification and authentication occur, the scenario also includes authorization. The denial of access is an authorization decision, so the full set of concepts is authentication and authorization.
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 user logs into a corporate laptop by inserting a smart card and entering a PIN. The user then attempts to open a confidential folder. The operating system checks the user's access rights and denies access. Which security concepts are demonstrated in this scenario?
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
Authentication and authorization
The scenario demonstrates authentication (verifying the user's identity via smart card + PIN) and authorization (the OS checking access rights and denying access to the folder). Authentication confirms who the user is, while authorization determines what resources they can access. Option B correctly pairs these two concepts.
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.
- ✗
Identification and authorization
Why it's wrong here
Identification is simply claiming an identity (e.g., by providing a username). The smart card and PIN are used to prove identity (authentication), not just claim it.
- ✓
Authentication and authorization
Why this is correct
The smart card and PIN authenticate the user. Then the operating system authorizes (or denies) access to the folder based on permissions.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Authentication and accounting
Why it's wrong here
Accounting tracks user activities for auditing or billing purposes. The scenario focuses on access control, not tracking.
- ✗
Identification and authentication
Why it's wrong here
While both identification and authentication occur, the scenario also includes authorization. The denial of access is an authorization decision, so the full set of concepts is authentication and authorization.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'identification' with 'authentication' — the smart card + PIN is a multi-factor authentication process, not merely identification, and the access check is authorization, not accounting or identification.
Trap categories for this question
Scenario analysis trap
Accounting tracks user activities for auditing or billing purposes. The scenario focuses on access control, not tracking.
Detailed technical explanation
How to think about this question
Under the hood, the smart card uses PKI-based authentication (e.g., X.509 certificates) where the PIN unlocks the private key stored on the card, proving possession and knowledge. The OS then performs an access control check against an ACL (Access Control List) or NTFS permissions, evaluating the user's security token (SID) against the folder's DACL (Discretionary Access Control List). A real-world nuance: if the smart card certificate is mapped to a user account via Active Directory, the authorization decision may also involve group membership and claims-based access policies.
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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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: Authentication and authorization — The scenario demonstrates authentication (verifying the user's identity via smart card + PIN) and authorization (the OS checking access rights and denying access to the folder). Authentication confirms who the user is, while authorization determines what resources they can access. Option B correctly pairs these two concepts.
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
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