(Choose 1 answer)
Protocol Buffers is used to define the Messages (data, Request and Response) and Service (Service name and RPC endpoints). Choose the correct syntax.
A. syntax = "proto3";service Greeter {
} rpc SayHello (HelloRequest) returns (HelloReply);
message HelloRequest { string name = 1;
} message HelloReply {
string message = 1;
}
B. syntax = "proto3";
message Greeter {
rpc SayHello (HelloRequest) replies (HelloReply);}
service HelloRequest {
string name = 1;
} service HelloReply {
string message = 1;}
C. syntax = "proto3";
message Greeter {
rpc SayHello (HelloRequest) returns (HelloReply);
}
service HelloRequest {
string name = 1
E25
