Does anybody know how to solve this problem??

4. Hosts R and S each send a packet to port 5140 of Host T. (a) If the hosts use UDP as the transport protocol, then do the two packets go through the same socket of Host T? (b) If the hosts use TCP as the transport protocol, then do the two packets go through the same socket of Host T? (c) Explain why your answers to (a) and (b) are the same or are different