I’m pretty excited about a new project called CCNA Deep Dive. I used to teach quite a bit, and this year I’ll be back on platform – but doing the teaching online rather than in [...]

You studied hard for CCNA 200-125, but you know you won’t finish it before the Feb 23rd deadline. Now you’ve moved on to CCNA 200-301. Did you use my CCNA 200-125 books? Are you now [...]

Anyone who has been pursuing CCNA Routing and Switching (R&S) over the last several months has asked themselves a simple question: Should I move on to study for the new CCNA based on the [...]

If you took any of the CCNA Deep Dive courses on O’Reilly, then you probably remember what this post is for. If not, you shouldn’t care! Regardless, this post is a place for anyone in [...]