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
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A Correct answer
Explanation

The IP address 127.0.0.1 is the standard loopback address used for testing network functionality on the local host. The entire 127.0.0.0/8 block is reserved for loopback, with 127.0.0.1 being the most commonly used address. When a packet is sent to this address, it never leaves the local machine but loops back through the network stack. This is used for diagnostics and testing TCP/IP services locally.

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