13 網絡基本知識

網絡 OSI模型與TCP/IP模型對應圖 : TCP三次握手 Created with Raphaël 2.1.2 Client Client Server Server 1 : SYN=1,seq=x 2 : SYN=1,ACK=1,seq=y,ack=x+1 3 : ACK=1,seq=x+1,ack=y+1 TCP四次斷開 Created with Raphaël 2.1.2 Client

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