SNOW-CSA Application Rules, ACL and Notifications Practice Question
A system administrator needs to prevent users from deleting any records in the 'incident' table. Which method will achieve this most effectively?
⚠ Common exam trap
Test-takers frequently confuse 'write' ACLs with delete permissions, assuming that blocking write access also blocks deletions, but ServiceNow treats delete as a separate operation requiring its own ACL.
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 an application ACL on the incident table with the 'delete' operation set to 'no access'
An Application ACL with the 'delete' operation set to 'no access' explicitly denies the delete operation on the 'incident' table, regardless of any other ACLs or user roles. This is the most effective method to prevent record deletion because it directly targets the delete operation at the table level, overriding any inherited or role-based permissions.
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 write ACL on the incident table with condition 'false'
Why it's wrong here
A write ACL controls create/update, not delete.
- ✗
Create a read ACL on the incident table with condition 'false'
Why it's wrong here
A read ACL controls read access, not delete.
- ✗
Set the incident table 'Update' access to 'none' in the table configuration
Why it's wrong here
Update access affects editing, not deleting.
- ✓
Create an application ACL on the incident table with the 'delete' operation set to 'no access'
Why this is correct
Application ACLs can control delete operation and 'no access' denies it.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SNOW-CSA 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-CSA exam.