(i) Describe the purpose and basic operation of the Fork function. In your answer explain the relationship between the Child process and Parent process and identify which lines of code refer to each process. (5 marks) (ii) The listening socket is closed on line 23. Explain why it is closed here and explain whether this affects future connection requests. (5 marks) (iii) Given that the connected socket is most likely closed within the Parent process before the Child process has exchanged any data with the Client application, explain how this is possible. (5 marks) 67892NN 16 17 18 19 20 21 22 23 24 323 www WNNNNNNN 25 6819 26 27 28 29 30 31 32 33 34 35 36 37 for ( ; ; ) ( connfd = Accept (listenfd, (SA) NULL, NULL); if ( (childpid - Fork()) 0) ( Close (listenfd); DATA EXCHANGE WITH CLIENT APPLICATION Close (connfd); exit(0); } Close (connfd); C Figure 3- Using Fork.