SNOW-CSA UI, Navigation and Forms Practice Question
A company needs to make a field mandatory only when a checkbox is checked. Which feature should the administrator use?
⚠ Common exam trap
It's easy for candidates to confuse Data Policy (server-side) with UI Policy (client-side), assuming any mandatory rule must be enforced on the server, when in fact the requirement for immediate client feedback dictates a client-side solution.
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
✓
UI Policy
UI Policy is the correct choice because it allows an administrator to make a field mandatory, visible, or read-only based on a condition evaluated on the client side without a server round-trip. When the checkbox is checked, the UI Policy condition triggers the mandatory attribute on the target field, providing immediate user feedback. This is the standard approach for client-side conditional mandatory fields in ServiceNow.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Client Script
Why it's wrong here
Client Scripts execute on the browser, allowing for dynamic UI manipulation such as visually marking a field as mandatory. However, they cannot enforce server-side data integrity; a user could bypass client-side validation, leading to incomplete records if the field is truly required. This option is tempting because Client Scripts are precisely designed for real-time, interactive form behaviour, like dynamically showing or hiding fields, or performing client-side calculations based on user input, where immediate visual feedback is crucial.
- ✓
UI Policy
Why this is correct
UI Policies are designed for client-side form behavior, including conditional mandatory fields.
- ✗
Data Policy
Why it's wrong here
Data Policies enforce rules server-side, not ideal for client-side dynamic mandatory fields.
- ✗
Business Rule
Why it's wrong here
Business Rules run server-side and cannot control client-side field states directly.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.