MCQ-44 | Understanding IPv4 Addressing: IP Address 127.0.0.1

*Question-44: IP address (127.0.0.1) belongs to which Class of IPv4 addressing?*

The IP address 127.0.0.1 belongs to a special reserved address space in IPv4 addressing, called the loopback address.

The loopback address is used by a host to send network traffic to itself, and is commonly assigned the IP address 127.0.0.1. It is a Class A address, but it is not assigned to any particular network or host, and is instead used for internal network testing and communication.

When a program on a computer sends traffic to the loopback address, the network stack on the computer will route the traffic to the loopback interface, which is a virtual network interface that represents the computer itself. This allows the program to communicate with other programs running on the same computer, using the same network protocols that would be used for communication over a physical network.

In summary, the IP address 127.0.0.1 belongs to a special reserved address space for loopback addresses, and is not part of any particular Class in IPv4 addressing.

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