Subnetting #1 - Subnet Masking

Following on from my previous videos on IP addresses, this looks at the beginnings of subnetting networks using a subnet mask. Through explaining this I also outline classful and classless addressing. In part I will explain why subnetting is advantageous. If this video was useful, please like it and subscribe, it really helps! Also, if you use an ad blocker, whitelisting my channel is very much appreciated! If you are studying for a specific course, to watch the videos in their intended order and only those applicable to your Computer Science course, please use the playlists on my channel page.