BPEL processes are being used to implement both the service and client sides of a synchronous web service interaction.
Which statement is true?
A. When acting as the client, a BPEL process may omit the Invoke activity.
B. When acting as the service, a BPEL process may omit the Reply activity.
C. When acting as the client, a BPEL process may not invoke as asynchronous process and wait for a callback.
D. When acting as the service, a BPEL process may not reply to the client with a well-defined fault message.
D