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Computer & Networking BasicsIP Addressing

Which IPv4 range is reserved for loopback testing?

  • A127.0.0.0/8
  • B169.254.0.0/16
  • C224.0.0.0/4
  • D192.0.2.0/24
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Correct Answer: A. 127.0.0.0/8
Explanation: IPv4 addresses in 127.0.0.0/8 are reserved for loopback; 127.0.0.1 is commonly used as localhost.
Reference: Standard computer networking fundamentals: ip addressing
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