第1页共64页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共64页目录第一章Windows2000server..................................................................................................2第一节层次结构...............................................................................................................2第二节ActiveDirectory....................................................................................................2第三节组策略...................................................................................................................3第四节证书服务...............................................................................................................3第五节身份验证...............................................................................................................4第二章网络基础知识...............................................................................................................5第一节OSI模型和TCP/IP模型......................................................................................5第二节IP、TCP与UTP...................................................................................................6第三节IP地址分配和子网划分......................................................................................7第四节广域网...................................................................................................................8第五节路由器（Router）................................................................................................9第三章从局域网到三层交换.................................................................................................10第一节共享技术.............................................................................................................10第二节交换技术.............................................................................................................10第三节第二层交换技术.................................................................................................11第四节第三层交换技术.................................................................................................15第五节相关网络术语.....................................................................................................22第四章广域网........................................................................................................................26第一节什么是广域网(WAN).........................................................................................26第二节公用电话交换网PSTN......................................................................................26第三节分组交换网X.25................................................................................................27第四节综合业务数字网ISDN.......................................................................................28第五节数字数据网DDN（专线）...............................................................................29第六节帧中继Frame-Relay...........................................................................................30第七节xDSL...................................................................................................................31第八节防火墙技术.......................................................................................
