SNOW-CAD Practice Question: Application development using ServiceNow Studio
A developer needs to create a custom application that tracks employee training completions. The application must allow managers to view a list of their direct reports' training records. Which ServiceNow Studio feature should be used to define the relationship between the Manager and Employee tables?
⚠ Common exam trap
A common mix-up: candidates confuse runtime data manipulation (Business Rules, GlideRecord) with schema definition (Reference fields), or confuse security controls (ACLs) with data relationships, leading them to select options that address behavior rather than structure.
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
✓
Create a Reference field on the Employee table pointing to the sys_user table.
A Reference field on the Employee table pointing to the sys_user table establishes a direct database relationship between the employee record and their manager record. This allows the platform to automatically resolve the manager's user record and enables out-of-the-box features like dot-walking and related list displays in ServiceNow Studio.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a Reference field on the Employee table pointing to the sys_user table.
Why this is correct
Correct: Reference fields define relationships between tables.
- ✗
Write a Business Rule to populate a manager field.
Why it's wrong here
Incorrect: Business Rules automate tasks, not define relationships.
- ✗
Configure an Access Control Rule (ACL) to filter records.
Why it's wrong here
Incorrect: ACLs control access, not relationships.
- ✗
Use the GlideRecord API to join the tables in a script.
Why it's wrong here
Incorrect: GlideRecord is for data retrieval, not defining relationships.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.