Problem
Describe how an IPv4 address is divided into 4 separate octets, with each octet having a maximum of 256 addresses (0 - 255). Address the following items;
A. Describe the different classes of IPv4 addresses.
B. Describe how Multicasting and a subnet mask is used.
C. Compare the use of a classless subnet mask to a classful subnet mask.
D. Discuss the difference between a public IP address and a private IP address and explain how NAT (Network Address Translation) is often used to translate private IP addresses into a single or multiple public IP addresses.
E. Define an APIPA (Automatic Private IP Address) address as one that is usually assigned when a DHCP server cannot be found.