CISSP Practice question #154

IPv4 normally uses what type of addresses?
A: Hexadecimal.
B: True decimal.
C: Binary.
D: Flexible length.

CBK 4: Communication and Network Security
Source: practice tests


C: IPv4 addresses are made up of 4 octets (dotted-decimal notation) and broken further down in a 32bit integer binary.

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  1. Okay, so the answer is B… But… technically, IPV4 *is* actually a binary which is converted to decimal for readibility.

    When questions have more than two answers that should be correct, look to the wording of the question to determine exactly what the question is looking for.

  2. C. IPv4 addresses may be represented in any notation expressing a 32-bit integer value. They are most often written in the dot-decimal notation, which consists of four octets of the address expressed individually in decimal numbers and separated by periods.

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