Network Software & Protocols

Introduction to data Communications and Networking 
This video is an excellent overview of the entire topic.
https://www.youtube.com/watch?v=mYWsllbszYQ


NOS 
This video outlines the purpose of a Network Operating System
http://study.com/academy/lesson/network-operating-systems-nos-windows-novell-net-ware.html

Network Analysis Tools
It is difficult to find non-professional standard information on this topic. If you find a video or site you think is better - please post it here.
https://technet.microsoft.com/en-us/library/bb962047.aspx
https://www.youtube.com/watch?v=G4GYAsCZAGI


Networking Communication Standards (Protocols)
This video is a simple explaination of network protocols. Pity most of his other videos are in Spanish.
https://www.youtube.com/watch?v=eU41Ekv5yIw