Linux MCQ Set 1 1. What is the output of this program? #include<stdio.h> int main() { int fd_socket; fd_socket = socket(AF_UNIX,SOCK_STREAM,0); printf(”%dn”,fd_socket); return 0; } a) -1 b) 0 c) any integer value d) none of the mentioned AnswerAnswer: d [Reason:] To use socket(), the header files sys/types.h and sys/socket.h are required. Output: [ aidlo]#…