![]() ![]() Spend plenty of time getting familiar with the configuration interface. One of your PBQs is going to involve configuring and access point. Wireless Access Point Configuration Simulators There is an extensive section on networking from when I was studying for the CCNA. This has turned out to be one of my most frequently visited pages. The refence desk is a collection I put together early in my career, and posted on my website as a quick and easy reference for myself. Network+ N10-007 Performance Based Questions (PBQ) This PBQ was still on the N10-008 when I took the exam Professor Messer’s Seven Second Subnetting First some video collections on subnetting At this point, with this method, I can literally slap this chart down in under a minute on paper. ![]() Fill out the headers of your chart like above (Network, Hosts, Available, Mask) and the rest is simple fill-in-by-sequence. So there are really only two things that you need to really *know*–A /25 network has 2 networks and is. Subnet mask column is the only one that really requires any math, but it’s still simple–take the value of the previous line’s mask, then you just add the value of the hosts column for the this line (/26 = 128 + 64 = 192). Third column is just the value of the second column minus two (for available addresses). Start with 2 at the bottom and work your way back up. First off, write down the first column, all the notation (/XX). Now, looking at this chart is a bit overwhelming, right? But, there’s some really simple things going on here. ![]() * I don’t think they’ll ask you about a /31, all the questions I got about point-to-point were using /30 but you should know that it could be used as point-to-point for some cases. I went ahead and got to a point where I could jot down the class C CIDR table like this: I wanted to share my experience, hope it will work for some other people. I am also including some links to other training resources that I have found I came from simiangeek on the CompTIA sub-Reddit. ![]()
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