SNOW-CAD Platform Features and Integration Practice Question
A developer is creating a REST API in ServiceNow to expose incident data. The API must return only incidents with 'state' = 2 (in progress) and limit results to 50. Which implementation is correct?
⚠ Common exam trap
Watch out — candidates often confuse the built-in table API's parameter syntax (which requires 'sysparm_query' for filters) with the GlideRecord method syntax, and assuming that 'gr.get()' can be used to filter multiple records when it is designed for single-record retrieval by key.
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
✓
In the script, use 'gr.addQuery('state', 2); gr.setLimit(50);' and return the records.
It uses the standard GlideRecord pattern to query the incident table with an 'addQuery' filter for state=2 and 'setLimit' to restrict results to 50, which is the proper server-side approach when building a custom REST API endpoint in a Scripted REST API or similar. The other options misuse table API syntax or GlideRecord methods in ways that would not work as intended.
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 the ServiceNow table API with endpoint '/api/now/table/incident?state=2&sysparm_limit=50'.
Why it's wrong here
The table API uses sysparm_query, not direct URL parameters.
- ✓
In the script, use 'gr.addQuery('state', 2); gr.setLimit(50);' and return the records.
Why this is correct
This is the standard approach in a scripted REST API handler.
- ✗
Use a REST API endpoint with path /api/incidents and set the query parameter 'sysparm_query=state=2' and 'sysparm_limit=50'.
Why it's wrong here
The sysparm_ prefix is used for table API, not for custom scripted REST APIs.
- ✗
In the script, use 'gr.get('state', 2)' and then limit via 'gr.setLimit(50)'.
Why it's wrong here
gr.get() is for retrieving a single record by sys_id, not for queries.
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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.