Referencing Styles: Not Selected What are the definitions between the classful and classless address in IPv4? Explain most of the addresses in class A are wasted. Explain why a medium or large size organization does not want a clock of class C. What is a mask in IPv4 addressing? Network address in a block of addresses? How can we search find the network address if one of the addresses in the block is known? Briefly define subnetting. How does the subnet mask differ from a default mask in classful addressing? What is NAT? How can NAT help in address depletion? Read More …