SNOW-CAD Core Application Development Practice Question
This SNOW-CAD practice question tests your understanding of core application development. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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
Refer to the exhibit.
ACL record:
Name: incident.write
Type: record
Operation: write
Condition: gs.hasRole('incident_manager')
Script:
answer = true;
The ACL above is on the 'incident' table. A user with role 'itil' tries to update an incident record. What will happen?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The user will be denied because the condition fails.
The ACL (Access Control Rule) on the 'incident' table has a condition that must evaluate to true for the user to be granted access. In this case, the condition fails for a user with role 'itil' attempting to update the record, so the script does not set answer = true, resulting in a denial of the operation. Option D is correct because the condition failing means the ACL denies the write operation.
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 will be prompted for credentials.
Why it's wrong here
ACLs do not prompt for credentials.
✗
The user will be allowed because the condition is ignored for write operations.
Why it's wrong here
Condition is always evaluated.
✗
The user will be allowed because the script sets answer = true.
Why it's wrong here
The script only runs if the condition is true.
✓
The user will be denied because the condition fails.
Why this is correct
The condition requires incident_manager role, which the user does not have.
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 often assume that having a role like 'itil' automatically grants update access, but ACLs require both the role and the condition to be satisfied, and a failing condition overrides the role-based permission.
Detailed technical explanation
How to think about this question
In ServiceNow, ACLs (Access Control Rules) use a script that returns a boolean value (answer = true/false) to determine access. The condition is evaluated first; if it fails, the script is not executed, and the default behavior is to deny access. This is critical for data security, as it ensures that only users meeting specific criteria (e.g., being the assigned user or having a specific role) can modify records, preventing unauthorized updates even if the user has a general role like 'itil'.
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.
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.
Core Application Development — This question tests Core Application Development — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The user will be denied because the condition fails. — The ACL (Access Control Rule) on the 'incident' table has a condition that must evaluate to true for the user to be granted access. In this case, the condition fails for a user with role 'itil' attempting to update the record, so the script does not set answer = true, resulting in a denial of the operation. Option D is correct because the condition failing means the ACL denies the write operation.
What should I do if I get this SNOW-CAD 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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Question Discussion
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