How many usable host addresses are in a network with prefix /24?
Answer and explanation
Correct answer: C. 254
- Step 1: There are 32 - 24 = 8 host bits, giving 256 addresses.
- Step 2: Subtract the network and broadcast addresses: 254.
Answer
254.
Why not the others: 256, 255 and 1 do not fit.
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