Which of the following TCP/IP addresses constitute the loopback address?

1. Which of the following TCP/IP addresses constitute the loopback address?

[Assistant Programmer 2016 [MCQ] : 2016]

1. 1.1.1.1

2. 255.255.255.255

3. 127.0.0.0

4. 127.0.0.1

Answer

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