All A+ & Network+ certification books describe the difference between regular cable and plenum cable in a fire, but would you like to see the difference? L-com sells cable and put together a series of videos so that customers can see what they’re paying for when they spend extra for plenum rated cable.
I’m fond of pointing A+ & Network+ certification students towards HowStuffWorks’ Computer Channel. The full color illustrations are nice, but the real draw is the interactive Flash-based graphics that can show processes, not just hardware. Some of the nice ones I’ve found: Front-side buses DRAM Flip-flops (used in high-speed cache memory) Inkjet printers Routers How […]
I’ve just posted a network speed table to help you memorize the speeds of all the various connections. CompTIA is fond of asking a question on the A+ & Network+ tests involving a scenario where a given minimum bandwith is listed, and you must know which connection would be fast enough to meet their criteria. […]