Multiple choice technology

What is the IP address for Loopback Test ?

  1. 127.0.0.1

  2. 10.0.0.5

  3. 192.0.0.1

  4. 10.255.255.255

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

127.0.0.1 is the standard loopback address for IPv4. The entire 127.0.0.0/8 block is reserved for loopback, used to test the local TCP/IP stack. Sending packets to any address in this range routes them back to the local machine without leaving the host, useful for diagnostics and local services.