SF EC rarely operates in isolation. Interviewers regularly ask about integration with Employee Central Payroll, SAP ERP, or third-party systems using gear like SAP Cloud Integration (previously CPI) or contemporary EC-to-ERP integration templates. Familiarize yourself with unusual integration patterns, even supposing you have not individually configured them.

https://www.proexcellency.com/blogs/sap-online-training/sap-sf-ec-interview-questions