Different Networks Have Separate IP Classes.

IP Addressing: What are the IPv4 address classes and why do we need the classes? What is an IP network and what is an IP sub-network or subnet? What is subnet mask and why do we need subnet mask? What is the size of a subnet denoted with /16 (e.g. 10.10.0.0/16): /17: /18: /19: /20:…...