In the mask 255.255.255.0,how many 1s are there?
A)8
B)16
C)24
D)none of the above

Name: In the mask 255.255.255.0,how many 1s are there? A)8 B)16 C)24 D)none of the above
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Quizplus · Accepted Answer

The mask 255.255.255.0 has 24 1s. In binary notation, each octet of the mask is represented by 8 bits, with all 8 bits set to 1, which results in a decimal notation of 255. So, the mask 255.255.255.0 is equivalent to 11111111.11111111.11111111.00000000 in binary. Counting the number of 1s in this binary representation gives us 24.

In the Mask 255.255.255.0,how Many 1s Are There