How many client roles groups are present in the base instance of ServiceNow?

In the base instance of ServiceNow, there are two specific client role groups relevant to HR functionalities: HR Fulfillment Support and HR Service Portal.

The HR Fulfillment Support role is designed for users who handle the management and fulfillment of HR cases, enabling them to access and perform tasks related to HR operations. This role typically includes permissions necessary for HR personnel to work efficiently with employee inquiries and manage various HR processes.

On the other hand, the HR Service Portal role is intended for users utilizing the Service Portal to access HR services and information. This role allows clients to interact with HR services in a user-friendly manner through a web interface, enhancing the overall experience for employees seeking HR assistance.

Together, these two roles cover essential aspects of HR service delivery within the ServiceNow platform, hence the answer reflects the correct quantity of client role groups present by noting both the HR Fulfillment Support and the HR Service Portal roles.