Question
A company needs to create 10 subnets from the network
192.168.1.0/24. What is the minimum subnet mask required to accommodate this, and how many usable hosts per subnet will there be?Solution
To get 10 subnets, we need 2^n >= 10, so n=4 bits for subnetting. Original /24 becomes /24+4 = /28. For /28, the number of host bits is 32-28 = 4. Number of usable hosts = 2^4 - 2 = 16 - 2 = 14.
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