2. 10.3.1 Classes of network IP addresses EG: An IP address 172.32.65.13 and a default subnet mask, the host belongs to the 172.32.0.0 network.
3. 10.3.2 Introduction to and reason for subnetting The benefits of Subnetting 1. smaller broadcast domains 2. low-level security provided 3. increased address flexibility EG: In a class C network a subnet mask of 255.255.255.224 will create 6 useable subnets each with 32 useable hosts.
12. 10.3.5 Subnetting Class A and B networks 16 bits are available for Class B host IP addresses using the default subnet mask . Applying the subnet mask 255.255.255.0 to a Class B network will give 254 useable hosts and 254 useable subnets.