ACL Condition False: Denying Access Despite itil Role
This SNOW-CSA practice question tests your understanding of application rules, acl and notifications. 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.
Exhibit
ACL Rule: incident.*
Name: incident.read
Type: record
Operation: read
Condition: gs.hasRole('snc_internal') || gs.getUserID() == 'admin'
Script debug:
gs.hasRole('snc_internal') returns false
gs.getUserID() returns 'john.doe'
User 'john.doe' is a member of role 'itil' only.
Refer to the exhibit. A user with username 'john.doe' tries to view an incident record. What is the outcome?
Exhibit
ACL Rule: incident.*
Name: incident.read
Type: record
Operation: read
Condition: gs.hasRole('snc_internal') || gs.getUserID() == 'admin'
Script debug:
gs.hasRole('snc_internal') returns false
gs.getUserID() returns 'john.doe'
User 'john.doe' is a member of role 'itil' only.
A
The user can view the incident because no ACLs apply to incident table.
Why wrong: The ACL exists.
B
The user can view the incident because they have the itil role.
Why wrong: The ACL does not check itil role.
C
The user cannot view the incident because the ACL is missing a condition for itil role.
Why wrong: ACLs are configured per requirement; missing a role does not cause denial by default.
D
The user cannot view the incident because the ACL condition evaluates to false.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The user cannot view the incident because the ACL condition evaluates to false.
The correct answer is D because the ACL condition on the incident table evaluates to false for user 'john.doe'. In ServiceNow, an ACL (Access Control List) with a condition that returns false prevents the user from viewing the record, even if they have a role like 'itil'. The exhibit likely shows an ACL with a condition such as 'true == false' or a script that returns false, which overrides any role-based access.
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 can view the incident because no ACLs apply to incident table.
The user cannot view the incident because the ACL is missing a condition for itil role.
Why it's wrong here
ACLs are configured per requirement; missing a role does not cause denial by default.
✓
The user cannot view the incident because the ACL condition evaluates to false.
Why this is correct
Both conditions are false, so read is denied.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume having the 'itil' role guarantees read access to all incidents, but ServiceNow ACLs can deny access even to users with the correct role if a condition evaluates to false.
Detailed technical explanation
How to think about this question
ServiceNow ACLs are evaluated in order of priority (typically by the 'order' field), and the first matching ACL that returns false denies access. Conditions can be written as scripts or simple boolean expressions; for example, a condition like 'gs.getUserID() != 'john.doe'' would deny access to that specific user. In real-world scenarios, administrators often use conditions to restrict access based on assignment group, department, or custom criteria, which can override broader role-based permissions.
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 administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
Visual reference
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.
Application Rules, ACL and Notifications — This question tests Application Rules, ACL and Notifications — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The user cannot view the incident because the ACL condition evaluates to false. — The correct answer is D because the ACL condition on the incident table evaluates to false for user 'john.doe'. In ServiceNow, an ACL (Access Control List) with a condition that returns false prevents the user from viewing the record, even if they have a role like 'itil'. The exhibit likely shows an ACL with a condition such as 'true == false' or a script that returns false, which overrides any role-based access.
What should I do if I get this SNOW-CSA 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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Variation 1. Refer to the exhibit. A user with the itil role can read incidents only if their department matches the property 'dept_hr_id'. What happens if the script is removed?
medium
A.No users can read incidents.
✓ B.All itil users can read incidents.
C.All users can read incidents.
D.Only itil users whose department matches can read incidents.
Why B: The script in the ACL condition enforces the department match requirement. Removing the script removes that condition, leaving only the 'itil' role requirement. Since the ACL still requires the 'itil' role, all users with that role can read all incidents, regardless of department.
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Question Discussion
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