Your previous Network Administrator had subnneted your Class C network into many subnets. Only info you have is that the mask was 255.255.255.224 How many subnets did he make ? How many nodes were there per subnet ?
a. 2, 62
b. 7, 30
c. 6, 30
d. 6, 62
e. 7, 62
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Answer / indu
C
Explanation: 224=128+64+32 . That means number borrowed 1 bits = 3. M=3.
Subnets = 2^M -2 = 6 . Nodes per subnet = 2^N - 2 = 30 .
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