Multiple choice technology What are the different types of source system? SAP R/3 Source Systems SAP BW Flat Files External Systems Reveal answer Fill a bubble to check yourself A,B,C,D Correct answer Explanation SAP R/3 source systems include SAP R/3 systems themselves, SAP BW (Business Warehouse), flat files for data loading, and external systems through various interfaces. All four represent valid source system categories in SAP data warehousing.