Multiple choice

Which of the following IPv4 addresses given below is a loopback address?

  1. 127.0.0.1

  2. 0.0.0.0

  3. 255.0.0.0

  4. 0.0.0.255

  5. None of these
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A Correct answer
Explanation

Loopback IPv4 address has default 1st byte as 127. It is represented as 127.x.x.x where x can be in the range of 0-255. Loopback IP address are generally used to test working of computer/networking devices in a computer network.

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