Identify the purpose of subnetting and default gateways.
Now that we have looked at how IP addresses are used, we can discuss the process of subnetting. Subnetting is a process by which the node portions of an address are used to create more networks than you would have if you used the default subnet mask.
IP Subnetting IP subnetting is a very complex task, and it is hard to explain fully in the space available in this book. The information provided in this section is more than sufficient to answer any subnetting-related questions you might see on the Network+ exam. In fact, this material goes into more detail than is required. In the real world, subnetting is an important skill.
To illustrate subnetting, let's use an example. ...