Addressing
IP Address -- 192.168.1.24
4 Octets (each octet seperated by a dot)
Each octet is 8 bits
0 to (2^8 - 1) to 255
Subnet mask -- 255.255.255.0
192.168.1 = Network portion
.24 = Host Portion
.0 = Network Address
.255 = Broadcast address
.1 - .254 available for hosts, so 245 host adresses available in this subnet