TCP/IP模型四層模型:1、應(yīng)用層2、傳輸層3、網(wǎng)絡(luò)層4、網(wǎng)絡(luò)接口助記:應(yīng)傳網(wǎng)接一只老鷹,飛到船上,前面撒一張網(wǎng),后面撒一張網(wǎng)