Which of the following activities is a prerequisite?

Your customer is fn the system preparation phase for cost center replication.

Which of the following activities is a prerequisite?
A . Enable the Compound Employee API in SAP SuccessFactors Employee Central.
B . Validate access to Web-based API tools.
C . Install the integration add-on ODTFINCC 600.
D . Install SAP ERP 6 EHP4.

Answer: A