What is the 127.0 0.1 IP address and what is it used for?

Question

The address 127.0.0.1 is the standard address for IPv4 loopback traffic; the rest are not supported by all operating systems. However, they can be used to set up multiple server applications on the host, all listening on the same port number.

What is the purpose of 127.0 0.0 IP address?

Network 127.0. 0.0 is reserved for IP traffic local to your host. Usually, address 127.0. 0.1 will be assigned to a special interface on your host, the loopback interface, which acts like a closed circuit.

What is the IP address 127.0 0.1 Used for why is it useful for technicians and administrators?

The loopback address has a default IP (127.0. 0.1) useful to test programs on your computer, without sending information over the internet. This helps when you are testing applications that aren't ready for the world to see.

What is the purpose of ping 127.0 0.1 command?

Ping the loopback address (by using the ping 127.0. 0.1 command) to find out if the TCP/IP is installed and working correctly on the local computer. Ping the IP address of the local computer to find out if it was added to the network correctly.

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