C Secure! https::: t/3998183 iew Question-4: (15 Marks) Two processes at the application layers of sender and recelver are communicating each other. Transport layers of both ends are using a stop-and-walt protocol for flow and error control for this communication. An example flow diagram of data and acknowledgement exchange between the nodes has been presented in the following. Reg Kequest from proces aArr: ACK amival ha. 1.i.raii Pa let i Cresent Time ou; resa Packet PAIT Packet Sop Create a flow diagram of data and acknowledgement exchange using stop-and-wait protocol similar to the above diagram where sender sends three packets. The first two packets arrived in time and acknowledgement also received. However third packet was delayed and resent. The duplicate third packet was received after the acknowledgement of original one. a) Show all the exchange of data and acknowledgement for above three packets in your diagram. Show all timer activities (starts and so on) at the sender side with clear indication of sending and receiving time (receivine side). b) c) Show all data acknowledament, sender and receiver sliding windows and with appropriate d) sequence numbers in the windows for both sides and next packet indicator Explain the fact how the duplicate third packet and acknowledgements were exchanged