CompTIA Network+ Ethernet Standards. This is meant for educational only and mostly for testing purposes. This should answer your 10Base-what questions. :) Update: The N10-007 standards only state these: 100BaseT 1000BaseT 1000BaseLS 1000BaseSX 10GBaseT LS and SX are fiber, and I like to think of them as long and short, so I'm not going to redo this video anytime soon. :) Best of luck on your exams!