SSCP Access Controls Practice Question
Which access control model enforces security based on classification labels assigned to subjects and objects, commonly used for confidentiality?
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
✓
Bell-LaPadula
Bell-LaPadula is a MAC model that enforces confidentiality via labels, preventing read-up and write-down.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Clark-Wilson
Why it's wrong here
Clark-Wilson focuses on integrity via well-formed transactions.
- ✗
Brewer-Nash
Why it's wrong here
Brewer-Nash (Chinese Wall) addresses conflict of interest.
- ✓
Bell-LaPadula
Why this is correct
Bell-LaPadula enforces confidentiality.
- ✗
Biba
Why it's wrong here
Biba focuses on integrity, not confidentiality.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP practice question is part of Courseiva's free ISC2 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 SSCP exam.