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Computer & Networking BasicsNAT

PAT allows multiple private hosts to share a public IPv4 address primarily by distinguishing connections using?

  • ATransport-layer port numbers
  • BMonitor resolutions
  • CCable lengths
  • DCPU opcodes
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Correct Answer: A. Transport-layer port numbers
Explanation: Port Address Translation tracks flows using address and transport-port information so many internal connections can share one public address.
Reference: Standard computer networking fundamentals: nat
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