CIS-ITSM Service Catalog And Request Management Practice Question
A developer has created a Catalog Client Script that runs onchange of a variable named 'hardware_type'. The script needs to clear and repopulate a 'model' variable based on the selected hardware type using AJAX. Which client-side API method is best suited for making this asynchronous server call?
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
✓
GlideAjax
GlideAjax is the standard, asynchronous method for client-side scripts to communicate with the server 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.
- ✗
GlideRecordSecure
Why it's wrong here
GlideRecordSecure is used server-side, not client-side.
- ✗
g_scratchpad
Why it's wrong here
g_scratchpad is used to pass data from form to client script in client scripts on forms, not primarily for AJAX calls in Service Catalog.
- ✓
GlideAjax
Why this is correct
GlideAjax allows client scripts to execute server-side code asynchronously.
- ✗
g_form.getReference()
Why it's wrong here
g_form.getReference() can retrieve field values asynchronously with a callback, but GlideAjax is the recommended approach for custom server communication.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official ServiceNow exam blueprint
This CIS-ITSM 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 CIS-ITSM exam.