What is subnetting and why do we need to subnet a network? First, subnetting is the process of breaking down a single IP address block into smaller subnetworks (subnets). Second, the reason we need to subnet is to efficiently distribute IP addresses with the result of less wastage. This brings us to other questions, such as why do we need to break down a single IP address block, and why is least wastage so important? Could we simply assign a Class A, B, or C address block to a network of any size? To answer these questions, we will go more in depth with this topic by using practical examples and scenarios.
Let's assume that you are a network administrator at a local company and one day the IT manager assigns a new task to you. The task is to redesign the IP scheme of the company. He has also told you to use an address class that is suitable for the company&apos...