Which two components should be used to handle this service virtualization?

Oracle SOA Suite is being used to virtualize service calls to a third-party human resources
provider. The planned service payloads will require minimum transformation. Routing is simple
because service calls will be mapped one-for-one to existing third-party services.
Which two components should be used to handle this service virtualization?

A.
BPEL Process

B.
Proxy Service

C.
Mediator

D.
Business Service

Explanation: