An organization is granted the block 130.34.12.64/26. It needs to have 4…

2014

An organization is granted the block 130.34.12.64/26. It needs to have 4 subnets. Which of the following is not an address of this organization?

  1. A.

    130.34.12.124

  2. B.

    130.34.12.89

  3. C.

    130.34.12.70

  4. D.

    130.34.12.132

Attempted by 104 students.

Show answer & explanation

Correct answer: D

To find the valid IP range for 130.34.12.64/26, calculate the block size using the host bits.A /26 prefix leaves 32 - 26 = 6 host bits, meaning there are 26 = 64 addresses in the block.The range starts at 130.34.12.64 and ends at 130.34.12.(64 + 63) = 130.34.12.127.Any address outside this range does not belong to the organization. Option D (130.34.12.132) is greater than 127, so it falls outside the block.

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