Which authorization object type should you define to receive and process inbound Idocs successfully?

Which interfaces should you select for the ERP-initiated purchase requisition feature while executing the interface Setup program in SAP Ariba Procurement Integration Configuration. Note: There are 2 correct answers to this question.

Which mandatory cross-reference parameters are associated with InvoiceDetailRequest while creating Ariba Network projects through CIG?
Note: There are 2 correct answers to this question.

Which authentication type should you use to set up a connection for direct connectivity via Cloud Connector.

Which value should you enter in the Location ID field when setting up the connection for direct connectivity in a CIG project?