b. Consider a server offering four service procedures P1 to P4 for some scientific computation. A client program wants to invoke procedure P2 with following interface:- double P2 (float varl, long var2); Determine the detailed steps involved in the RPC of P2 by mentioning the role of all software components including the communication module. (4) c. Construct a code segment in Java to receive a message (through port no. X) using datagram communication and return it back to the sender if its size is more than 250 bytes. [Note X = 10 times your roll no] (3)