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

[TOC]

Preface 1: OSI seven-layer reference model 1.1: OSI seven-layer reference model

The composition of 1.2:TCP/IP protocol suite

1.3: data encapsulation process

1.4 corresponding relationship between device and layer

Two: signal 2.1: signal Overview

2.2: twisted pair

III: Overview of Optical Fiber 3.1: Overview of Optical Fiber

3.2: optical fiber classification

Four: interface 4.1: Ethernet interface

4.2: optical interface

Five: integrated wiring system

Six: materials used in the wiring process

Seven: learn knowledge points

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