Suppose a process in Host C has a UDP socket with port number $6789.$ Suppose both Host A and Host B

each send a UDP segment to Host C with destination port number $6789.$

a$)$Will both of these segments be directed to the same socket at Host C$?$

b$)$ If so$,$ how will the process at Host $C$ know that these two segments originated from two different

hosts? Give detail explanations for both a$)$ and b$).$