You are developing a WCF service that compares several data sources. The service takes a long time to
complete. The service must meet the following requirements:
The client must be able to continue processing while the service is running.
The service must initiate communication with the client application when processing is complete.
You need to choose a message pattern to meet the requirements. Which message pattern should you
choose?
A.
One Way
B.
Streaming
C.
Duplex
D.
Request/Reply