# 網路安全Week2 ## OSI 7-Layer | 網路七層 | 網路設備架構 | | -------- | -------- | | 應用層(Application) | Web,即時通訊軟體 | | 呈現層(Presentation) | 加密 | | 會議層(Sessiopn) | 對接視窗畫面 | |傳輸層(Transport)|TCP,UDP| |網路層(Network)|IP,路由器| |資料鏈結層(Data Link)|網路卡| |實體層(Physical)|乙太網路線,光纖| ###### tags: `NetWorkSecurity`
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