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信息通信網(wǎng)絡機務員指導教程(數(shù)據(jù)通信)

信息通信網(wǎng)絡機務員指導教程(數(shù)據(jù)通信)

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作 者: 工業(yè)和信息化部教育與考試中心 著
出版社: 電子工業(yè)出版社
叢編項:
標 簽: 暫缺

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ISBN: 9787121404221 出版時間: 2021-03-01 包裝: 平裝
開本: 16開 頁數(shù): 352 字數(shù):  

內(nèi)容簡介

  書稿圍繞數(shù)據(jù)通信的基本概念和基礎理論,以IP網(wǎng)絡通信技術為主線,全面系統(tǒng)地介紹了數(shù)據(jù)通信的基本原理、關鍵技術和發(fā)展趨勢。全書共分11章,內(nèi)容包括數(shù)據(jù)通信的基本概念及發(fā)展概況,局域網(wǎng)技術原理,TCP/IP核心協(xié)議的工作方式,IP網(wǎng)絡的路由與交換技術,互聯(lián)網(wǎng)業(yè)務,光纖寬帶接入和城域網(wǎng)技術,網(wǎng)絡安全的基本原理,網(wǎng)絡管理與維護技術,以及網(wǎng)絡規(guī)劃與設計。

作者簡介

  工業(yè)和信息化教育與考試中心是經(jīng)中央機構編制委員會辦公室批準設置的事業(yè)單位,中心面向工業(yè)、通信業(yè)和信息化開展專業(yè)技術人員培養(yǎng),是集教育培訓、人才選拔和評價為一體的綜合性專業(yè)人才服務機構。并承擔教育部工業(yè)和信息化職業(yè)教育教學指導委員會(簡稱工信行指委)具體組織和業(yè)務實施工作。

圖書目錄

第1 章 數(shù)據(jù)通信基礎 ............................................................................................................... 1
1.1 數(shù)據(jù)通信概述............................................................................................................... 1
1.1.1 數(shù)據(jù)通信的基本概念 ........................................................................................ 1
1.1.2 數(shù)據(jù)通信系統(tǒng)的組成 ........................................................................................ 2
1.1.3 數(shù)據(jù)通信的傳輸媒體 ........................................................................................ 3
1.1.4 數(shù)據(jù)通信的技術指標 ........................................................................................ 5
1.2 數(shù)據(jù)編碼技術............................................................................................................... 8
1.2.1 模擬信號數(shù)字化 ................................................................................................ 9
1.2.2 模擬數(shù)據(jù)編碼 .................................................................................................. 10
1.2.3 數(shù)字數(shù)據(jù)編碼 .................................................................................................. 12
1.2.4 數(shù)據(jù)傳輸方式 .................................................................................................. 13
1.3 信道復用技術............................................................................................................. 15
1.3.1 頻分復用 .......................................................................................................... 15
1.3.2 波分復用 .......................................................................................................... 16
1.3.3 時分復用 .......................................................................................................... 17
1.3.4 碼分復用 .......................................................................................................... 19
1.4 數(shù)據(jù)通信的交換方式 ................................................................................................. 20
1.4.1 電路交換 .......................................................................................................... 21
1.4.2 報文交換 .......................................................................................................... 22
1.4.3 分組交換 .......................................................................................................... 23
1.5 差錯控制技術............................................................................................................. 27
1.5.1 差錯控制方式 .................................................................................................. 28
1.5.2 差錯控制編碼 .................................................................................................. 29
第2 章 局域網(wǎng) ......................................................................................................................... 31
2.1 局域網(wǎng)概述 ................................................................................................................ 31
2.2 傳統(tǒng)以太網(wǎng) ................................................................................................................ 33
2.2.1 以太網(wǎng)的工作原理 .......................................................................................... 34
2.2.2 以太網(wǎng)的擴展 .................................................................................................. 38
2.2.3 冗余回路與生成樹協(xié)議 .................................................................................. 42
2.2.4 虛擬局域網(wǎng) ...................................................................................................... 43
2.3 高速以太網(wǎng) ................................................................................................................ 44
2.3.1 100BASE-T 以太網(wǎng) ......................................................................................... 44
2.3.2 吉比特以太網(wǎng) .................................................................................................. 45
2.3.3 10 吉比特以太網(wǎng) ............................................................................................. 46
2.4 無線局域網(wǎng) ................................................................................................................ 47
2.4.1 WLAN 概述 ..................................................................................................... 47
2.4.2 WLAN 組網(wǎng)方式 ............................................................................................. 48
2.4.3 CSMA/CA 協(xié)議 ............................................................................................... 49
第3 章 TCP/IP 核心協(xié)議 ....................................................................................................... 55
3.1 命名與尋址 ................................................................................................................ 56
3.1.1 IPv4 的編址 ..................................................................................................... 57
3.1.2 IPv4 地址與硬件地址 ..................................................................................... 62
3.2 網(wǎng)絡層協(xié)議 ................................................................................................................ 64
3.2.1 IPv4 協(xié)議 ......................................................................................................... 64
3.2.2 IPv6 協(xié)議 ......................................................................................................... 67
3.2.3 ICMP ................................................................................................................ 71
3.2.4 IGMP ............................................................................................................... 72
3.3 傳輸層協(xié)議 ................................................................................................................ 78
3.3.1 UDP ................................................................................................................. 78
3.3.2 TCP .................................................................................................................. 79
第4 章 路由與交換 ................................................................................................................. 85
4.1 路由器的工作原理 ..................................................................................................... 85
4.1.1 路由器的內(nèi)部結構 .......................................................................................... 86
4.1.2 IP 層轉(zhuǎn)發(fā)分組的流程 ..................................................................................... 89
4.2 路由選擇協(xié)議............................................................................................................. 90
4.2.1 分層次的路由 .................................................................................................. 91
4.2.2 單播路由協(xié)議 .................................................................................................. 92
4.2.3 多播路由協(xié)議 ................................................................................................ 137
4.3 多協(xié)議標簽交換 ....................................................................................................... 147
4.3.1 MPLS 的組成 ................................................................................................ 148
4.3.2 標簽分發(fā)協(xié)議 ................................................................................................ 150
4.3.3 標簽交換過程 ................................................................................................ 154
4.3.4 MPLS 的應用問題 ........................................................................................ 156
4.4 虛擬專用網(wǎng)與NAT .................................................................................................. 157
4.4.1 虛擬專用撥號網(wǎng) ............................................................................................ 159
4.4.2 VLAN 堆疊技術 ........................................................................................... 163
4.4.3 虛擬可擴展局域網(wǎng) ........................................................................................ 165
4.4.4 MPLS L2VPN ................................................................................................ 171
4.4.5 MPLS L3VPN ................................................................................................ 177
4.4.6 網(wǎng)絡地址轉(zhuǎn)換 ................................................................................................ 181
4.5 QoS 技術 .................................................................................................................. 183
4.5.1 QoS 服務模型 ............................................................................................... 184
4.5.2 QoS 的實現(xiàn) ................................................................................................... 185
第5 章 IP 網(wǎng)絡業(yè)務 .............................................................................................................. 189
5.1 傳統(tǒng)IP 業(yè)務 ............................................................................................................. 189
5.1.1 域名服務 ........................................................................................................ 189
5.1.2 萬維網(wǎng)服務 .................................................................................................... 192
5.1.3 電子郵件服務 ................................................................................................ 195
5.1.4 文件傳輸服務 ................................................................................................ 197
5.1.5 遠程登錄服務 ................................................................................................ 198
5.2 VoIP 業(yè)務 .................................................................................................................. 199
5.2.1 VoIP 業(yè)務的基本原理 ................................................................................... 199
5.2.2 VoIP 的關鍵技術 ........................................................................................... 200
5.3 IPTV 業(yè)務 ................................................................................................................. 202
5.3.1 IPTV 系統(tǒng)的組成 .......................................................................................... 202
5.3.2 IPTV 的關鍵技術 .......................................................................................... 204
第6 章 FTTx 與PON 系統(tǒng) .................................................................................................. 205
6.1 無源光網(wǎng)絡接入技術 ............................................................................................... 206
6.1.1 PON 系統(tǒng)的基本原理 ................................................................................... 206
6.1.2 PON 系統(tǒng)的關鍵技術 ................................................................................... 208
6.1.3 PON 系統(tǒng)的保護機制 ................................................................................... 210
6.1.4 PON 技術的發(fā)展 ........................................................................................... 211
6.2 EPON 技術 ............................................................................................................... 211
6.2.1 EPON 的多點控制技術 ................................................................................ 212
6.2.2 EPON 的兼容性問題 .................................................................................... 213
6.2.3 EPON 的QoS 問題 ....................................................................................... 214
6.2.4 10G EPON ..................................................................................................... 215
6.3 GPON 技術 ............................................................................................................... 215
6.3.1 GPON 的協(xié)議棧 ............................................................................................ 216
6.3.2 GPON 技術的工作原理 ................................................................................ 217
6.3.3 10G GPON ..................................................................................................... 218
6.4 ODN 網(wǎng)絡 ................................................................................................................. 219
6.4.1 光分路器 ........................................................................................................ 219
6.4.2 分光比的選擇 ................................................................................................ 220
6.4.3 光通道損耗 .................................................................................................... 220
第7 章 寬帶IP 城域網(wǎng).......................................................................................................... 222
7.1 城域網(wǎng)網(wǎng)絡結構 ....................................................................................................... 223
7.1.1 網(wǎng)絡層次 ........................................................................................................ 223
7.1.2 網(wǎng)絡組織 ........................................................................................................ 224
7.2 城域網(wǎng)路由策略 ....................................................................................................... 227
7.3 城域網(wǎng)用戶接入控制 ............................................................................................... 228
7.3.1 AAA 簡介 ...................................................................................................... 229
7.3.2 RADIUS 協(xié)議 ................................................................................................ 229
7.3.3 DHCP 協(xié)議 .................................................................................................... 231
7.3.4 PPPoE 接入認證 ........................................................................................... 231
7.3.5 IPoE 接入認證 ............................................................................................... 233
7.4 城域網(wǎng)IPv6 過渡技術 ............................................................................................. 237
7.4.1 雙棧技術 ........................................................................................................ 238
7.4.2 協(xié)議翻譯技術 ................................................................................................ 238
7.4.3 過渡技術的部署 ............................................................................................ 240
7.5 城域網(wǎng)新技術........................................................................................................... 241
7.5.1 SDN 技術 ....................................................................................................... 241
7.5.2 NFV 技術 ....................................................................................................... 243
7.5.3 vBRAS 部署 .................................................................................................. 244
第8 章 IP RAN ...................................................................................................................... 250
8.1 IP RAN 的基本概念 ................................................................................................. 251
8.2 IP RAN 的網(wǎng)絡組成 ................................................................................................. 251
8.2.1 IP RAN 網(wǎng)絡架構 .......................................................................................... 251
8.2.2 IP RAN 組網(wǎng)原則 .......................................................................................... 253
8.3 IP RAN 業(yè)務承載 ..................................................................................................... 257
8.3.1 基站業(yè)務的承載 ............................................................................................ 257
8.3.2 專線業(yè)務 ........................................................................................................ 260
第9 章 網(wǎng)絡安全 ................................................................................................................... 263
9.1 網(wǎng)絡安全的內(nèi)涵 ....................................................................................................... 263
9.1.1 網(wǎng)絡安全的基本定義 .................................................................................... 263
9.1.2 網(wǎng)絡安全策略 ................................................................................................ 265
9.2 典型的攻擊技術與防范 ........................................................................................... 266
9.2.1 信息探測 ........................................................................................................ 267
9.2.2 地址欺騙 ........................................................................................................ 267
9.2.3 口令攻擊 ........................................................................................................ 269
9.2.4 拒絕服務攻擊 ................................................................................................ 269
9.2.5 惡意代碼攻擊 ................................................................................................ 270
9.3 防火墻技術 .............................................................................................................. 271
9.3.1 防火墻關鍵技術 ............................................................................................ 271
9.3.2 訪問控制與ACL ........................................................................................... 272
9.3.3 防火墻類型與原理 ........................................................................................ 274
9.4 入侵檢測技術與安全審計 ....................................................................................... 277
9.4.1 入侵檢測系統(tǒng)的模型與分類 ........................................................................ 277
9.4.2 入侵檢測技術 ................................................................................................ 279
9.5 密碼技術 .................................................................................................................. 281
9.5.1 對稱密碼體制 ................................................................................................ 282
9.5.2 公鑰密碼體制 ................................................................................................ 284
9.5.3 數(shù)字摘要 ........................................................................................................ 285
9.5.4 數(shù)字簽名 ........................................................................................................ 285
9.6 TCP/IP 安全協(xié)議 ...................................................................................................... 286
9.6.1 IPSec .............................................................................................................. 287
9.6.2 SSL 和TLS .................................................................................................... 289
9.7 可用性保護技術 ....................................................................................................... 292
9.7.1 雙向轉(zhuǎn)發(fā)檢測 ................................................................................................ 293
9.7.2 鏈路聚合技術 ................................................................................................ 296
9.7.3 快速重路由技術 ............................................................................................ 300
9.7.4 虛擬路由器冗余協(xié)議 .................................................................................... 303
第10 章 網(wǎng)絡管理與維護 ..................................................................................................... 307
10.1 網(wǎng)絡管理的基本概念 ............................................................................................. 307
10.1.1 網(wǎng)絡管理的功能體系 .................................................................................. 308
10.1.2 網(wǎng)絡管理的基本模型 .................................................................................. 310
10.2 簡單網(wǎng)絡管理協(xié)議 ................................................................................................. 311
10.2.1 SNMP 的組成結構 ...................................................................................... 311
10.2.3 SNMP 的實現(xiàn)機制 ...................................................................................... 315
10.3 網(wǎng)絡故障處理 ......................................................................................................... 317
10.3.1 故障等級 ...................................................................................................... 317
10.3.2 故障處理原則 .............................................................................................. 317
10.3.3 故障處理流程 .............................................................................................. 318
第11 章 網(wǎng)絡規(guī)劃與設計 ..................................................................................................... 320
11.1 網(wǎng)絡規(guī)劃概述 ......................................................................................................... 320
11.1.1 基本定義 ...................................................................................................... 320
11.1.2 目的與規(guī)劃步驟 .......................................................................................... 321
11.2 業(yè)務預測 ................................................................................................................. 322
11.2.1 業(yè)務預測的內(nèi)容 .......................................................................................... 322
11.2.2 常用的預測方法 .......................................................................................... 325
11.2.3 預測結果的處理 .......................................................................................... 325
11.3 數(shù)據(jù)通信網(wǎng)絡規(guī)劃 ................................................................................................. 326
11.3.1 數(shù)據(jù)通信網(wǎng)絡結構規(guī)劃 .............................................................................. 326
11.3.2 數(shù)據(jù)通信網(wǎng)絡建設 ...................................................................................... 329
11.3.3 數(shù)據(jù)通信網(wǎng)絡規(guī)劃實例 .............................................................................. 332
附錄A ping 命令的格式及選項 ............................................................................................ 334
附錄B finger 命令的格式及選項 ......................................................................................... 335
附錄C traceroute 命令的格式及選項 ................................................................................. 336
附錄D netstat 命令的格式及選項 ....................................................................................... 337
附錄E arp 命令的格式及選項 ............................................................................................. 338
附錄F route 命令的格式及選項 .......................................................................................... 339
附錄G rcp 命令的格式及選項 ............................................................................................. 340
附錄H rsh 和rexec 命令的選項 ......................................................................................... 341
參考文獻 ................................................................................................................................... 342

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