SNOW-CAD Platform Features and Integration Practice Question
Exhibit
Refer to the exhibit.
{
"request": {
"method": "POST",
"url": "https://instance.service-now.com/api/now/table/incident",
"headers": {
"Content-Type": "application/json",
"Accept": "application/json"
},
"body": {
"short_description": "Email not working",
"caller_id": "6816f79cc0a8016400c3a0fbe8b14d1c",
"category": "network"
}
}
}Refer to the exhibit. A developer is making a REST API call to create an incident. The call returns a 201 Created response, but the incident record is not visible in the instance. What is the most likely cause?
⚠ Common exam trap
Watch out — candidates often assume a 201 Created response guarantees the record is fully functional and visible, but ServiceNow's reference validation can silently fail, leaving the record orphaned and hidden from standard views.
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
✓
The 'caller_id' sys_id is invalid or points to a non-existent user.
A 201 Created response indicates the REST API call was syntactically correct and the server accepted the payload, but the incident record is not visible. The most likely cause is an invalid caller_id sys_id, because ServiceNow validates the caller_id field against the sys_user table during record creation. If the sys_id does not exist or is malformed, the record is created but the caller_id reference fails silently, often causing the record to be hidden from standard views or filtered out by default queries.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The 'caller_id' sys_id is invalid or points to a non-existent user.
Why this is correct
An invalid sys_id can cause the record to be created without proper assignment, possibly hidden.
- ✗
The request method should be PUT instead of POST.
Why it's wrong here
POST is correct for creating records.
- ✗
The field 'short_description' is misspelled.
Why it's wrong here
It is correctly spelled.
- ✗
The instance has an ACL that prevents creating incidents via REST.
Why it's wrong here
ACL denial would return 403 Forbidden.
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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.