How many bits are in an IPv4 address?

The correct answer is A. 32. An IPv4 address is exactly 32 bits long, organized as four 8-bit octets.

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How the community answered

(45 responses)

A
89% (40)
B
7% (3)
C
2% (1)
D
2% (1)

Why each option

An IPv4 address is exactly 32 bits long, organized as four 8-bit octets.

A32Correct

IPv4 addresses are 32 bits, structured as four octets of 8 bits each, yielding the familiar dotted-decimal notation ranging from 0.0.0.0 to 255.255.255.255 and supporting approximately 4.3 billion unique addresses.

B24

24 bits represents only three octets and is not the full size of an IPv4 address.

8 bits is a single octet - only one quarter of an IPv4 address.

4 bits describes a nibble, which has no relation to the length of an IP address.

Concept tested: IPv4 address bit length

Source: https://www.rfc-editor.org/rfc/rfc791

Topics

#IPv4 address#32-bit address#IP addressing#fundamentals

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