The subnet mask 255.255.255.192

2008

The subnet mask 255.255.255.192

  1. A.

    extends the network portion to 16 bits

  2. B.

    extends the network portion to 26 bits

  3. C.

    extends the network portion to 36 bits

  4. D.

    has no effect on the network portion of an IP address

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Correct answer: B

The subnet mask 255.255.255.192 converts to binary as 11111111.11111111.11111111.11000000. Counting the leading ones yields a total of 26 bits for the network portion, corresponding to CIDR notation /26.

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