CompTIA Network+ Question C-97

Which of the following is an example of an IPv4 address?

A. 192:168:1:55
C. 00:AB:FA:B1:07:34
D. ::1

Correct Answer: B

An IPv4 address is notated as four decimal numbers each between 0 and 255 separated by dots ( Each number is known as an octet as it represents eight binary bits. All four octets make up a 32-bit binary IPv4 address.
In this question, is a valid IPv4 address.