HR:
What I am looking for (as a company)?
What are my salary expectations?
Why did I leave my previous job?
IT:
What is my knowledge (if I worked with) regarding: networking equipment, MS servers (DNS, DHCP), monitoring tools, ticketing system, inventory system...?
If I did support, troubleshooting for apps: VPN client, MS Office 365, MS Teams...?
What kind of IT support: on-call, remote, on-site?