osi model Archives - The Silicon Underground

Using the OSI model to troubleshoot video

Dave Farquhar — Thu, 30 Apr 2015 11:00:17 +0000

I was at church on Sunday and the video projection wasn’t working. After a few minutes of watching everyone struggle, I volunteered to take a look, and working together, we were able to get the video working again using a

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Troubleshooting at all layers of the OSI model

Dave Farquhar — Mon, 15 Apr 2013 11:00:25 +0000

I saw this phrase in a job description last week: Troubleshooting at all layers of the OSI model. That sounds a bit intimidating, right? Maybe at first. But let’s not overcomplicate it. Once you get past the terminology, it’s a

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One road to the CISSP: Do SSCP first

Dave Farquhar — Sun, 10 Jun 2012 17:59:00 +0000

As my crazy week wound down, I had a number of visitors, including someone who’s been on the fence about taking the CISSP. She wanted some advice. The (ISC)² Code of Ethics says to give generously of such things when

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How to pass CISSP: Test taking strategies

Dave Farquhar — Sun, 26 Feb 2012 12:20:03 +0000

The CISSP is a 250-question, multiple-choice test. You have six hours to complete it. It’s not like any college final I ever took, though cramming all of finals week into a six-hour session is almost a fair comparison. If you’re

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CISSP melted my brain

Dave Farquhar — Sun, 29 Jan 2012 02:28:38 +0000

Five and a half hours ago, I turned in my test and departed the CISSP test site. It took me four hours to answer the nastiest 250 test questions I’ve ever seen in my life. I felt better about it

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