Quick Answer
The answer is the Attribute-Based Access Control (ABAC) model. This is the correct choice because ABAC evaluates access decisions by combining multiple attributes—such as user attributes like department and clearance, resource attributes, and environmental conditions like time of day or location—into dynamic policies. Unlike Role-Based Access Control (RBAC), which is limited to static roles, ABAC provides fine-grained, context-aware enforcement that adapts to changing conditions. On the ISC2 Certified in Cybersecurity CC exam, this question tests your understanding of access control models and their real-world applications; a common trap is confusing ABAC with RBAC when the scenario mentions dynamic factors like time or threat level. Remember, if the policy depends on who, what, where, and when, it’s ABAC—think “attributes for all conditions.”
This CC practice question tests your understanding of access controls concepts. 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.
An organization wants to implement a system that enforces access decisions based on a user's attributes (e.g., department, clearance, time) and environmental conditions. Which model is best?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Role-based access control (RBAC)
Why wrong: RBAC uses static roles, not dynamic attributes.
Attribute-based access control (ABAC)
ABAC uses attributes and policies for fine-grained, context-aware decisions.
Discretionary access control (DAC)
Why wrong: DAC is based on owner discretion, not attributes.
Mandatory access control (MAC)
Why wrong: MAC uses fixed labels, not flexible attributes.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Attribute-based access control (ABAC)
Attribute-based access control (ABAC) is the correct model because it evaluates access decisions based on a combination of user attributes (e.g., department, clearance), resource attributes, and environmental conditions (e.g., time of day, location). Unlike RBAC, which relies solely on predefined roles, ABAC uses policies that can incorporate dynamic factors like current time or threat level, making it ideal for fine-grained, context-aware enforcement.
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.
Role-based access control (RBAC)
Why it's wrong here
RBAC uses static roles, not dynamic attributes.
Attribute-based access control (ABAC)
Why this is correct
ABAC uses attributes and policies for fine-grained, context-aware decisions.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Discretionary access control (DAC)
Why it's wrong here
DAC is based on owner discretion, not attributes.
Mandatory access control (MAC)
Why it's wrong here
MAC uses fixed labels, not flexible attributes.
Common exam traps
ISC2 often tests the misconception that RBAC can handle dynamic conditions like time or location, but RBAC only maps users to roles with static permissions, whereas ABAC explicitly evaluates environmental attributes as part of the access decision.
Detailed technical explanation
ABAC policies are typically expressed using the eXtensible Access Control Markup Language (XACML) or Next Generation Access Control (NGAC) standards, where a Policy Decision Point (PDP) evaluates subject, resource, action, and environment attributes against policy rules. For example, a policy might allow access only if user.department == 'Engineering' AND resource.classification == 'Internal' AND environment.current_time < '18:00'. This granularity enables dynamic, context-aware decisions that RBAC cannot achieve without complex role engineering.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
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FAQ
Access Controls Concepts — This question tests Access Controls Concepts — Read the scenario before looking for a memorised answer..
The correct answer is: Attribute-based access control (ABAC) — Attribute-based access control (ABAC) is the correct model because it evaluates access decisions based on a combination of user attributes (e.g., department, clearance), resource attributes, and environmental conditions (e.g., time of day, location). Unlike RBAC, which relies solely on predefined roles, ABAC uses policies that can incorporate dynamic factors like current time or threat level, making it ideal for fine-grained, context-aware enforcement.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
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