Which of the following answers lists the prefix (CIDR) format equivalent of 255.255.254.0?

IT Questions BankCategory: CCNAWhich of the following answers lists the prefix (CIDR) format equivalent of 255.255.254.0?

Which of the following answers lists the prefix (CIDR) format equivalent of 255.255.254.0?

  • /19
  • /20
  • /23
  • /24
  • /25

Explanation: If you think about the conversion one octet at a time, the first two octets each convert to 8 binary 1s. 254 converts to 8-bit binary 11111110, and decimal 0 converts to 8-bit binary 00000000. So, the total number of binary 1s (which defines the prefix length) is 8 + 8 + 7 + 0 = /23.

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