This SNOW-CSA practice question tests your understanding of self-service and automation. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
A catalog item has multiple variables, and the administrator wants to show a variable only if a previous variable is set to a specific value. Which feature should be used?
UI Policy
UI policies control visibility and mandatory conditions.
Client Script
Why wrong: Client scripts can hide fields but UI policy is the recommended approach.
Catalog Client Script
Why wrong: Catalog client scripts are used for actions, not visibility control.
Access Control List (ACL)
Why wrong: ACLs control data access, not variable visibility.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
UI Policy
A UI Policy is the correct feature because it allows an administrator to dynamically show or hide catalog item variables based on the value of a previous variable, without requiring any client-side scripting. UI Policies run on the client side and evaluate conditions in real-time, making them ideal for this declarative, condition-based visibility requirement.
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.
UI Policy
Why this is correct
UI policies control visibility and mandatory conditions.
Related concept
Read the scenario before looking for a memorised answer.
Client Script
Why it's wrong here
Client scripts can hide fields but UI policy is the recommended approach.
Catalog Client Script
Why it's wrong here
Catalog client scripts are used for actions, not visibility control.
Access Control List (ACL)
Why it's wrong here
ACLs control data access, not variable visibility.
Common exam traps
The trap here is that candidates often confuse Catalog Client Scripts with UI Policies because both can react to variable changes, but UI Policies are the correct no-code solution for simple show/hide logic, while Catalog Client Scripts require scripting and are intended for more complex client-side behaviors.
Detailed technical explanation
UI Policies in ServiceNow are evaluated on the client side using a declarative condition builder, and they can set field attributes like visible, mandatory, or read-only without any scripting. Under the hood, UI Policies generate client-side JavaScript that runs in the browser, but the administrator interacts with a no-code interface. A subtle behavior is that UI Policies can be set to run on load, on change, or both, and they can also include 'Reverse if false' logic to handle the opposite condition automatically.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Self-Service and Automation — This question tests Self-Service and Automation — Read the scenario before looking for a memorised answer..
The correct answer is: UI Policy — A UI Policy is the correct feature because it allows an administrator to dynamically show or hide catalog item variables based on the value of a previous variable, without requiring any client-side scripting. UI Policies run on the client side and evaluate conditions in real-time, making them ideal for this declarative, condition-based visibility requirement.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This SNOW-CSA practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CSA exam.
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