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TCP — 3-Way Handshake

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The Question

Explain the TCP 3-way handshake.

What a Strong Answer Covers

  • SYN → SYN-ACK → ACK
  • "sequence numbers
  • SACK or retransmission

Related Questions

  • TLS — Certificate, DH, AES
  • TCP vs UDP
  • HTTP vs HTTPS
  • WebSockets
  • REST vs gRPC

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