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 C source port 7532 dest, port source port 80 26145 dest port 80 source IP C dest. IP: B source IP dest. IP B Web client host A source port 26145 source IP A dest, port 80 dest. IP: B Web Per-connection server B HTTP processes Transport- layer demultiplexing Fig 1. Two clients, using the same destination port number (80) to communicate with the same Web server application