Multiple choice technology web technology

Why the IP address 127.0.0.1 is special?

  1. It's the default gateway IP of your ISP

  2. It's not special, belongs to Google Inc. since 2001

  3. It's called loopback ip address, to which local web server points

  4. It's the first IP address, available in IP pool, which can be used for sub-netting
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C Correct answer
Explanation

The IP address 127.0.0.1 is the reserved loopback address in IPv4 networking. It always refers to the local machine itself, allowing applications to communicate with services running on the same computer. It is commonly referred to as localhost and is used for testing local web servers.

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