Refer to the exhibit. An engineer applied a gRPC dial-in configuration on customer’s router to provide connection multiplexing and two-way streaming. What does this configuration accomplish in a gRPC?
A. It is used for encoding with the default protocol buffers
B. It is the encoding requested by the gRPC server
C. It is the encoding requested by the gRPC client
D. It is the encoding that is used for dial-in and dial-out
