Eli is an IT Professional with his own YouTube channel and 750K subscribers. I’ve learned a lot from his free videos. He covers Networking basics like TCP/IP, DNS, VPNs, Servers, and other relevant info.
This class teaches students the mindset and processes required to professionally troubleshoot computer systems. Every new technician should fully understand the troubleshooting procedure such as:
Assessing a System Problem
Researching and Planning Solutions
Breaking a problem Into Pieces
Communication Skills
Troubleshooting Methodologies w/ Eli the Computer Guy
You can find more of his videos here:
https://www.youtube.com/user/elithecomputerguy/playlists
(His Networking and Data Recovery videos have saved me a bunch of times)