1) Why doesn't the communication take place on the same socket of the server that the client initially knocks at for requesting service? 2) The IP address (ipv4) of a device is expressed as 192.168.3.4 with netmask of 255.255.255.0 and gateway of 192.168.3.1. List the network address: List the broadcast address: List the IP address of a device where the listed gateway does not matter in order to reach it from 192.168.3.4: List the IP address of a device where the listed gateway matters in order to reach it from 192.168.3.4 3) List the range of IP addresses for the network in which a device with IP 10.20.1.3/16 exists. Do not include the network and broadcast addresses in the range: From (IP address):_ To (IP address):_