NOTE: SLO Bytes is a member of APCUG; The Association of Personal Computer User Groups.
The latter organization presents regular free workshops via Zoom. Afterwards, they often post on line the content of those presentations.
The direct link to all posted APCUG YouTube videos is https://www.youtube.com/user/APCUGVideos

Selections of that content are mirrored below
05/07/2022 - Bill James APCUG Saturday Workshop; Modems, Routers and Wi-Fi
   Handout - Modems, Routers and Wi-Fi
   Q and A - Modems, Routers and Wi-Fi
   APCUG YouTube Video of Modems, Routers and Wi-Fi