Exam CIS-DF Topic 3 Question 4 Discussion

Actual exam question for ServiceNow's CIS-DF exam
Question #: 4
Topic #: 3
A CMDB Administrator wants only the CIs of Principal Classes to appear in CI reference fields, such as the CI reference field on an Incident form.
Where does the CMDB Administrator designate Principal Classes?

Suggested Answer: B Vote an answer

Principal Classes are a key CMDB configuration concept used to control which CI classes are selectable in reference fields across ITSM processes. This helps reduce noise, prevent incorrect CI selection, and improve data quality.
In ServiceNow, Principal Classes are designated within the CI Class Manager. This tool allows CMDB administrators to manage the CI class hierarchy, define ownership, and explicitly mark classes as principal. Once a class is marked as principal, its CIs become available in CI reference fields such as those on Incident, Change, and Problem forms.

by Joseph at Apr 21, 2026, 01:07 AM

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