CIFS is implemented on a server to serve files sharing among two clients namely client X and client Y. Client X wants the server to provide a file access with read ahead facility continuously in spite of client Y raising a read request for the same file as being accessed by client X. Answer the following with respect to the above scenario with a neat interaction diagram between server and clients. a. How does server maintain the access request of both clients with read ahead facility? b. What locking facility will be given to client Y and why?