Here is a free sample of a training video on the basics of IP Networking, specially designed for media technology professional who are interested in IP Video. To see the video, visit https://www.youtube.com/watch?v=kXHldxGWdec
Foundations of IP Technology for Media Professionals - Module 1:Overall Concepts
This is a free video that you can view online
Please keep this free video handy for when you want to watch it again.