Which options are available for integrating SAP Ariba Supplier Management solutions with an external system? Note: There are 3 correct answer’s to this question

Which options are available for integrating SAP Ariba Supplier Management solutions with an external system? Note: There are 3 correct answer’s to this question
A . MuleSoft ERP integration
B . SAP Ariba Cloud Integration Gateway
C . SAP Ariba SOAP web services API
D . Boomi iPaaS integration solutions
E . SAP Ariba Integration Toolkit

Answer: B C E