The dotted-decimal notation of the following IPV4 address in binary notation…

2018

The dotted-decimal notation of the following IPV4 address in binary notation is _________. 10000001 00001011 00001011 11101111

  1. A.

    111.56.45.239

  2. B.

    129.11.10.238

  3. C.

    129.11.11.239

  4. D.

    111.56.11.239

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Correct answer: C

Solution: Convert each 8-bit group to decimal.

  • 10000001 = 128 + 1 = 129

  • 00001011 = 8 + 2 + 1 = 11

  • 00001011 = 8 + 2 + 1 = 11

  • 11101111 = 128 + 64 + 32 + 8 + 4 + 2 + 1 = 239

Therefore the dotted-decimal representation is 129.11.11.239.

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