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Binary

post #1 of 5
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I was curious if anyone had an easy way to remember binary and ways to do subnetting and VLSM, also are they any websites that you can try to solves problems to learn it better? any help would be much appreciated, im studying for my CCNA, my A+, MSCE, and might even try to get Networking + just to have it
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post #2 of 5
Not sure problem solving, but this always impresses people in a geeky way!!!

http://en.wikipedia.org/wiki/Finger_binary
post #3 of 5
Eh, "double or half hosts/networks with each bit" seemed the easy one to remember for me.
/24 is convenient starting point since you have a balanced 256 networks and 256 (-2) host addresses, also as most class C subnets would use this mask.

IE, /23 = 128 networks, 512 (-2) host addresses per subnet
/24 = 256 networks, 256 (-2) host addresses per subnet
/25 = 512 networks, 128 (-2) host addresses per subnet

etc
etc
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post #4 of 5
http://www.subnettingquestions.com/

for your practice, I am looking for a sheet that I used to help me get for comfortable with sub netting but having a hard time locating it.

Will update if I find it.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by Macnemarion View Post
http://www.subnettingquestions.com/

for your practice, I am looking for a sheet that I used to help me get for comfortable with sub netting but having a hard time locating it.

Will update if I find it.
ok thank you =)
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