Classless addressing is one of the solutions of address depletion problem in IP address space. 4-Dual stack transition strategy (from IP v4 to IPv6) is preferred when most internet devices and systems...

Classless addressing is one of the solutions of address depletion problem in IP address space. 4-Dual stack transition strategy (from IP v4 to IPv6) is preferred when most internet devices and systems are moved to IPv6 while some systems still use IPv4. 5_In ARP, the ARP query is unicasted while ARP response is broadcasted through the network.