Master Subnetting and Supernetting by following along with networking expert Zanis Khan. This topic is a subset of Zanis Khan's course, The Definitive Preparation Guide to the CCNA (Cisco Certified Network Associate) Certification Exam. There are two topics within this course:

Subnetting. Become equipped to explain subnetting in this first topic in the Subnetting and Supernetting Made Simple course. Understand the networking concepts and architecture for breaking down a large network into smaller networks.
Supernetting. Become equipped to explain supernetting in this second topic in the Subnetting and Supernetting Made Simple course. Understand the networking concepts and architecture for combining multiple networks into a bigger network.