ServiceNow CIS-HR

What are the different ways that data can enter the ServiceNow platform? Select 3 Answers from the below options.

When a Document Template is created from an HR Case, the name of the person who created the document is added to the name of the attachment. Why?

The Knowledge bases searched for the Knowledge results section on an HR Case are determined by what? 

At what level is User Criteria set to control who can read and edit knowledge articles? 

Which module provides a user-friendly interface for creating new HR Skills and assigning HR skills to members of the HR department?