- A
The user's group memberships are conflicting with the required role.
Why wrong: In RBAC, roles are additive; conflicts are rare.
- B
The user's account was not assigned the required role.
Without the role, the user lacks the necessary permissions.
- C
There is a firewall rule blocking traffic from the user's IP range.
Why wrong: If true, others in the same range would also be affected.
- D
The application's session timeout is set too low.
Why wrong: Session timeout affects existing sessions, not initial access.
Question 821 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). After a merger, a user account from the acquired company is migrated into the parent company's domain. The user is assigned to multiple roles, but is unable to access a critical application that requires a specific role. The administrator verified that the user's account is enabled and the application server is reachable. 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 account was not assigned the required role.
In RBAC, access is granted based on the roles explicitly assigned to a user account. Since the administrator confirmed the account is enabled and the application server is reachable, the most likely cause is that the required role was not assigned to the migrated user. Without that role assignment, the user lacks the necessary permissions to access the critical application, regardless of other roles held.
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 group memberships are conflicting with the required role.
Why it's wrong here
In RBAC, roles are additive; conflicts are rare.
- ✓
The user's account was not assigned the required role.
Why this is correct
Without the role, the user lacks the necessary permissions.
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.
- ✗
There is a firewall rule blocking traffic from the user's IP range.
Why it's wrong here
If true, others in the same range would also be affected.
- ✗
The application's session timeout is set too low.
Why it's wrong here
Session timeout affects existing sessions, not initial access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume group membership conflicts (Option A) cause access denial in RBAC, but RBAC roles are independent and additive—conflicts do not occur; the real issue is the missing role assignment.
Detailed technical explanation
How to think about this question
RBAC systems, such as those based on NIST SP 800-53 or RFC 2904, enforce access by mapping users to roles and roles to permissions. When a user account is migrated across domains, role assignments must be explicitly re-created or mapped; inheritance from the source domain does not automatically carry over. In Active Directory, this often requires adding the user to the correct security group that corresponds to the application role, or assigning the role directly in the application's authorization store.
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 account was not assigned the required role. — In RBAC, access is granted based on the roles explicitly assigned to a user account. Since the administrator confirmed the account is enabled and the application server is reachable, the most likely cause is that the required role was not assigned to the migrated user. Without that role assignment, the user lacks the necessary permissions to access the critical application, regardless of other roles held.
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 25, 2026
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