SNOW-CAD Working with Data Practice Question
A developer is tasked with creating a reference field on a custom table that shows only 'Windows' servers from the 'cmdb_ci_server' table. What is the proper way to implement this?
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
✓
Define a reference qualifier on the field with the condition 'os_type=Windows'.
In ServiceNow, a reference qualifier is used to filter the records that appear in a reference field's lookup. By defining a reference qualifier with the condition 'os_type=Windows', only Windows servers from the cmdb_ci_server table will be available for selection. Option A is incorrect because a choice list is not a reference field and cannot dynamically filter a reference based on a table. Option B is incorrect because a business rule can modify data but is not the standard mechanism to filter a reference field's picker. Option C is incorrect because a dynamic filter on a form typically applies to related lists or reports, not to the lookup of a reference field.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a choice list instead of a reference field.
Why it's wrong here
Wrong: Choice list is static.
- ✗
Create a business rule that filters the reference field.
Why it's wrong here
Wrong: Business rules run server-side, not in picker.
- ✗
Create a dynamic filter on the form.
Why it's wrong here
Wrong: Dynamic filters are for UI policies, not reference fields.
- ✓
Define a reference qualifier on the field with the condition 'os_type=Windows'.
Why this is correct
Correct: Reference qualifiers filter the picker list.
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This SNOW-CAD 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-CAD exam.