Your customer wants to export receiving data from SAP Ariba Buying and invoicing to their back-end people soft instance in real time what do you recommend that they use?

Your customer wants to export receiving data from SAP Ariba Buying and invoicing to their back-end people soft instance in real time what do you recommend that they use?
A . Direct connect functionality
B . SAP Ariba integration toolkit
C . A people soft asynchronous
D . A web service upload operation

Answer: D