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intro to data networks
Evolution of Datanetworks
OSI Model
Layer 2, Framing and Switching
Spanning Tree Protocol
Trunks and Vlans
Layer 3, IP Protocols
IP Addressing
IP Routing
Frame Relay
ISDN
WAN, OThers
IOS Fundamentals
IOS switching
IOS Routing
 		 
   
  If you are studying for your CCNA, or looking for generalized computer networking knowledge, you are  in the right place. Written in plain language, yet one more study guide for your favorite exam studies, Networking in general, Cisco specifically, and Microsoft Server technology has been where I seem to spend most of my time. This site has been done to simplify the study process, and remove some mystery, democratization through technology.  Tech is slowly turning our planet into a small village where individuals can decide to be empowered if they so wish.

I have been in the voice and data communication business for 20+ years. Time to give something back.  Since breaking out of Art College in the late 1970's computers and communications have been the only real vocation I've ever held. This is my adfree/popupfree website, so I include my editorials when I feel like it.