What are the integration tools that you can use with such a setup for data transfer?

You need to integrate data from SAP S/4HANA and legacy ERP to SAP IBP.

What are the integration tools that you can use with such a setup for data transfer? Note: There are 2 correct answers to this question.
A . Cloud Identity Authentication Service
B. Real-time Integration
C. Cloud Integration for Data Services
D. Smart Data Integration

Answer: C,D