Which of the following are client filters available in serverclass.conf?

Which of the following are client filters available in serverclass.conf? (Select all that apply.)

A. DNS name.

B. IP address.

C. Splunk server role.
D. Platform (machine type).

Reference: https://docs.splunk.com/Documentation/Splunk/7.3.1/Updating/Filterclients#Define_filters_through_serverclass.conf