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ئاگادارى ...بۆ ڤيديوى تازە سەبسكرايبى چەناڵە تازەكەمان بكەن
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Subnet Practicing

Subneting is an important topic when it comes to networking, through practicing some question i will guide you how to easily find solutions for all related subnetting questions.


lets get started :
1- the first possible question regarding subnetting is finding sub net mask from short hand or CIDR 

if you have a question like this you can easily find the subnet mask from the CIDR, the first step is convert the CIDR to binary , then convert it to a number as below :

we have 24 which mean 24 bits are 1 and the rest should be 0
each bit in the binary represent a number as below

so now if you have a question asking to find subnetmask from CIDR 27, You can do is as follow:
1- convert 27 to binary : 11111111.11111111.11111111.11100000
2- convert binary to no.  255          255           255          (128+64+32=224)
so now the  subnet mask is 255.255.255.224 for CIDR 27

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