- A
The user's previous role was not properly removed.
Why wrong: Role removal issues could cause lingering access, but the user was previously denied.
- B
The RBAC implementation has a bug that grants excessive permissions.
Why wrong: While possible, the most likely cause is role inheritance.
- C
The user's new role inherits permissions from multiple roles that collectively grant access.
In RBAC, roles can inherit permissions, leading to unintended access.
- D
The user was directly assigned permissions to the resource.
Why wrong: Direct assignment is less likely in a pure RBAC model.
Question 953 of 1,000
hardMultiple ChoiceObjective-mapped
SSCP Uses role-based access control (RBAC) Practice Question
This SSCP practice question tests your understanding of uses role-based access control (rbac). 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.
An organization uses role-based access control (RBAC). A user complains that they can access a resource they were previously denied. The security administrator finds that the user's role was recently changed. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
✓
The user's new role inherits permissions from multiple roles that collectively grant access.
In RBAC, permissions are assigned to roles, not directly to users. When a user's role changes, the new role may have a different set of permissions. If the new role inherits permissions from multiple roles (e.g., through role hierarchy or composite roles), it can collectively grant access to resources that were previously denied under the old role. This is the most likely cause because the security administrator confirmed the role change, and RBAC systems typically enforce permissions based on the current role membership.
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.
- ✗
The user's previous role was not properly removed.
Why it's wrong here
Role removal issues could cause lingering access, but the user was previously denied.
- ✗
The RBAC implementation has a bug that grants excessive permissions.
Why it's wrong here
While possible, the most likely cause is role inheritance.
- ✓
The user's new role inherits permissions from multiple roles that collectively grant access.
Why this is correct
In RBAC, roles can inherit permissions, leading to unintended access.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The user was directly assigned permissions to the resource.
Why it's wrong here
Direct assignment is less likely in a pure RBAC model.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume a role change always removes old permissions, but RBAC role hierarchies can cause permission accumulation through inheritance, leading to new access that was previously denied.
Detailed technical explanation
How to think about this question
RBAC implementations often use role hierarchies (e.g., NIST RBAC model) where senior roles inherit permissions from junior roles. For example, a 'Manager' role might inherit from 'Employee' and 'Supervisor' roles, so a user moved from 'Employee' to 'Manager' gains access to resources that 'Supervisor' can access, even if 'Employee' alone could not. This inheritance is typically resolved at access time by the PDP (Policy Decision Point) evaluating all role memberships and their transitive permissions, which can lead to unexpected access if the role hierarchy is not carefully designed.
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 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.
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 |
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 SSCP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: The user's new role inherits permissions from multiple roles that collectively grant access. — In RBAC, permissions are assigned to roles, not directly to users. When a user's role changes, the new role may have a different set of permissions. If the new role inherits permissions from multiple roles (e.g., through role hierarchy or composite roles), it can collectively grant access to resources that were previously denied under the old role. This is the most likely cause because the security administrator confirmed the role change, and RBAC systems typically enforce permissions based on the current role membership.
What should I do if I get this SSCP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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