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网络工程师全知识点笔记
目录
第一章、计算机基础知识...................................................................................................................................5
一、数据的表示： ..............................................................................................................................5
二、逻辑运算：...................................................................................................................................5
三、计算机系统的组成与体系：...................................................................................................5
四、总线系统：...................................................................................................................................6
五、指令系统：...................................................................................................................................6
六、CISC 与 RISC 指令集：..........................................................................................................7
七、计算机分类（Flynn）： ............................................................................................................7
八、流水线： .......................................................................................................................................7
九、存储系统：...................................................................................................................................8
十、磁盘阵列 RAID：.......................................................................................................................9
十一、系统可靠性：..........................................................................................................................9
第二章、计算机网络概论 ................................................................................................................................10
一、计算机网络的概念： ..............................................................................................................10
二、计算机网络的分类： ..............................................................................................................10
三、计算机网络体系结构：..........................................................................................................11
第三章、数据通信基础.....................................................................................................................................12
一、数字通信系统的模型：..........................................................................................................12
二、数据封装及解封装： ..............................................................................................................13
三、信道特性： ................................................................................................................................13
四、网络传输介质： .......................................................................................................................14
五、数据调制与编码：...................................................................................................................15
六、数字通信方式与交换方式：.................................................................................................16
七、多路复用技术： .......................................................................................................................18
八、差错控制： ................................................................................................................................20
第四章、广域网通信..........................................................................................................................................22
一、广域网基本概念：...................................................................................................................22
二、公共交换电话网（PSTN）：................................................................................................22
三、公共数据网 X.25： .................................................................................................................23
四、流量控制和差错控制：..........................................................................................................23
五、HDLC 高级数据链路协议：.................................................................................................25
六、PPP 协议： ...............................................................................................................................25
七、帧中继（Frame Relay）：....................................................................................................26
八、ISDN 与 ATM： .......................................................................................................................26
九、xDSL 技术： .............................................................................................................................27
十、HFC（混合同轴光纤网络）：..............................................................................................27
十一、FTTx（光纤接入网）：......................................................................................................28
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