Posts Tagged ‘networking’

Plenum Cable Flammability Tests Videos

October 1, 2009Jeff Zahorowski No Comments »

All A+ 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. Fortunately their videos are [...]

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Howstuffworks Computer Channel helps visualize A+ topics

September 15, 2009Jeff Zahorowski No Comments »

Perhaps you’re familiar with the How Stuff Works series of books. They cover topics from military hardware to the mundane, explaining how they work in full page, full color graphics. They are like picture books for adults, and they’re great for visual learners. Success brought sequels, some of which focused on topics that would be [...]

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Lessons of the attack on Morgan Hill’s fiber infrastructure

September 12, 2009Jeff Zahorowski No Comments »

I was rather surprised when during a discussion on security one of my students referenced the attack on Morgan Hill (a city just south of San Jose). Not knowing about it, I Googled around a bit and was frankly shocked—not just by the attack, but by how underreported it went. Some party or parties with [...]

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Network Speed Table available

August 22, 2009Jeff Zahorowski No Comments »

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+ test involving a scenario where a given minimum bandwith is listed, and you must know which connection would be fast enough to meet their criteria. Thus, I’ve listed [...]

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