SNOW-CAD Practice Question: Application development using ServiceNow Studio
A developer is creating an application in ServiceNow Studio and needs to ensure that all new records created in a custom table are automatically assigned a number. Which THREE methods can be used to achieve this? (Choose three.)
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
✓
Use a default value on the number field.
Options A, B, and E are correct. A default value on the number field will automatically assign a number to new records. A flow with a create record action can set the number during record creation. A business rule with a script can also assign a number on insert. Option C (database view) is incorrect because database views do not generate numbers; they are virtual tables that display data. Option D (client script) is unreliable as it runs client-side and can be bypassed, so it is not suitable for ensuring automatic numbering.
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 default value on the number field.
Why this is correct
A default value, such as a function, can generate a number automatically.
- ✓
Use a flow with a create record action that sets the number.
Why this is correct
A flow triggered on record creation can assign a number.
- ✗
Use a database view to generate numbers.
Why it's wrong here
Database views are read-only and cannot assign numbers.
- ✗
Use a client script to set the number on load.
Why it's wrong here
Client scripts run in the browser and are not reliable for server-side assignment.
- ✓
Use a business rule with a script.
Why this is correct
A before-insert business rule can set the number field programmatically.
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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.