TCP/IP lies at the core of every networking course you will study in your career as a network engineer.
It's crucial that you understand how this suite protocols work as well as how to apply your knowledge to a live network.
As a member you have access to all the courses on this site including the below TCP/IP courses.
I created this course to deal with the confusing subnetting methods most IT trainers insist on teaching. This is a no-nonsense approach to show you how easy it is to subnet and how you can answer most subnetting questions in just a few seconds.