Which of the following is a Class A IP address?

The correct answer is A. 10.4.0.1. The question asks to identify a Class A IP address from the given choices based on standard IP address class definitions.

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Question

Options

A10.4.0.1
B128.39.0.1
C192.168.0.1
D224.216.0.1

How the community answered

(30 responses)

A
90% (27)
C
3% (1)
D
7% (2)

Why each option

The question asks to identify a Class A IP address from the given choices based on standard IP address class definitions.

A10.4.0.1Correct

Class A IP addresses have their first octet ranging from 1 to 126, where the first bit is always 0. The address 10.4.0.1 falls within this range (10 is between 1 and 126), making it a Class A address.

B128.39.0.1

128.39.0.1 starts with 128, which falls into the Class B range (128-191).

C192.168.0.1

192.168.0.1 starts with 192, which falls into the Class C range (192-223).

D224.216.0.1

224.216.0.1 starts with 224, which falls into the Class D range (224-239), used for multicasting.

Concept tested: IP address classes (Class A)

Source: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/tcpip-addressing-and-subnetting-basics

Topics

#IP addressing#Class A IP#network fundamentals

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