4. Consider Fig.1, What are the source and destination port values in the segments flowing from the server back to the clients processes? What are the source and destination IP addresses in the network-layer datagrams carrying the transport-layer segments? Web client host Web server Per-connection HTTP processes HI Source port: 7532 Source port: 26145 dest. port 80 dest IP B dest. port 80 dest.IP B Transport layer demultiplexing Source IP c source IP Web client host A source port: 26145 source IP A dest. port 80 dest.IP Fig 1. Two clients, using the same destination port number (80) to communicate with the same Web server application