What type of field is this?

The Business Unit field on a Project or Demand form displays values from a specific table.

What type of field is this?
A . Journal.
B . Reference.
C . Conditions.
D . List.

Answer: B

Explanation:

According to the ServiceNow documentation1, the Business Unit field on a Project or Demand form is a reference field that displays values from the cmn_department table. A reference field stores a link to a record on another table, rather than storing the data directly in the field2.

1: https://docs.servicenow.com/bundle/vancouver-it-business-management/page/product/project-management/reference/r_ProjectTable.html

2: https://docs.servicenow.com/bundle/vancouver-platform-administration/page/administer/form-administration/concept/c_ReferenceFields.html