Every networking professionals need to know IPv4 five classes, their first octet, the IP range, their default subnet mask, and the number of hosts per network for each class, Today my topic is how to remember five classes of IP version 4 without memorizing it.
In this 10-minute tutorial, I will break apart five classes piece by piece. By the end of the video, I hope you could be able to remember the table or at least understand how these numbers come from.

Many thanks for your time. Please leave your comments and questions, and do not forget to subscribe my channel. More videos are coming soon.

Many thanks.
Sunny Classroom

свернуть