Shulou(Shulou.com)06/01 Report--

Baidu if you don't understand everything

http protocol detailed explanation, osi seven-layer model (no network protocol actually implements this seven-level protocol, are incomplete transmission) remember that understanding is very important, interview asked more.

TCP/IP link 3-way handshake

Focus on protocol development, update technology

http hypertext protocol, request-based response

Use firefox to capture packets and understand http protocol keywords

Client requests, server sends.

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