网络工程师考试辅导

本书特色

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本书是全国计算机技术与软件专业技术资格(水平)考试辅导用书。本书作者是高校计算机网络课程的授课教师,对网络工程师考试有较深入地了解。本书以2007年出版的《网络工程师考前辅导》和2009年出版的《网络工程考试辅导》为基础,紧扣网工2009版大纲与培训指南的内容以及近年来网络技术的发展情况,修改、完善并补充了相关知识,使全书的内容更完整、组织更合理、表达更顺畅。本书力图帮助读者建立清晰的计算机网络知识架构,并且能够更容易地理解和掌握相关知识;帮助读者理清考试重点,熟悉出题风格。
本书不仅适合参加网络工程师考试的考生使用,还可以作为高等院校计算机网络相关专业的教材。

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内容简介

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本书着重对考试大纲规定的内容有重点地细化和深化,内容涵盖了网络工程师考试大纲的所有重要知识点。? 对案例分析试题,给出了解答方法和带有详细分析的例题。? 根据考试命题的范围和深度对一些知识点进行了扩展,增加了2009年大纲中没有提到但是考试中已经出现的知识点。

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目录

目 录
2.2 数据通信理论基础 ·····················25
2.2.1 傅立叶分析 ····················25
2.2.2 尼奎斯特定理 ·················25
2.2.3 香农公式 ·······················26
2.3 传输介质 ·································26
2.3.1 有线介质 ·······················27
2.3.2 无线介质 ·······················30
2.4 编码和传输 ······························34
2.4.1 数字-数字编码 ···············34
2.4.2 模拟-数字编码 ···············39
2.4.3 数字-模拟编码 ···············40
2.4.4 模拟-模拟编码 ···············45
2.5 传输技术 ·································45
2.5.1 多路复用技术 ·················46
2.5.2 同步控制技术 ·················49
2.5.3 压缩和压缩方法 ··············52
2.6 交换技术 ·································53
2.6.1 电路交换 ·······················53
2.6.2 存储转发 ·······················54
2.6.3 几种交换方式的比较 ········58
2.7 流量控制技术 ···························58
2.7.1 停等协议 ·······················59
2.7.2 滑动窗口协议 ·················59
2.8 差错控制技术 ···························61
2.8.1 奇偶校验码 ····················62
2.8.2 海明码 ··························63
IV 网络工程师考试辅导
2.8.3 CRC 码 ·························66
2.8.4 差错控制的基本方式 ········68
2.8.5 ARQ ·····························68
2.9 公用网络和租用线路 ··················71
2.9.1 公用网络 ·······················71
2.9.2 租用线路 ·······················71
2.9.3 其他网络 ·······················72
2.10 物理层接口协议 ······················72
2.10.1 RS-232 简介 ··················72
2.10.2 V.35 简介 ·····················73
2.10.3 G.703/G.704 简介 ···········74
2.10.4 USB 简介 ·····················74
2.10.5 1394 接口简介 ···············75
2.11 网络设备 ·······························75
2.11.1 按逻辑功能划分网络设备 ··76
2.11.2 按体系结构划分网络设备 ···76

封面

网络工程师考试辅导

书名:网络工程师考试辅导

作者:本书编委会

页数:829

定价:¥128.0

出版社:清华大学出版社

出版日期:2017-06-01

ISBN:9787302458753

PDF电子书大小:102MB 高清扫描完整版

百度云下载:http://www.chendianrong.com/pdf

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