目录1.最大传输速率R-MAX计算：............................................................................................................22.比特率与波特率的计算：................................................................................................................2第三/四章数据链路层和MAC层..........................................................................................................21.带位填充首尾标志法即面向二进制帧格式：例：HDLC................................................................32.奇偶校验：........................................................................................................................................33.校验和(CheckSum)............................................................................................................................34.循环冗余校验（CRC）......................................................................................................................45.流量控制............................................................................................................................................4（1）一位滑动窗口协议（协议4）：WT=1，WR=1...........................................................................4（2）后退n帧协议..............................................................................................................................56.信道利用率：....................................................................................................................................67.CSMA/CD最短帧长最短帧长和时隙长度为度.................................................................................68.求环比特长度，求总时间................................................................................................................79.二进制指数后退算法........................................................................................................................710.碰撞问题：......................................................................................................................................8第五章网络层........................................................................................................................................91.IP地址分类.......................................................................................................................................92.路由算法............................................................................................................................................9最短路径算法（Dijkstra）：............................................................................................................9扩散法(flooding)................................................................................................................................9距离矢量算法........................................................................................................................................9L-S（链路状态）算法........................................................................................................................112.主机的IP地址分配........................................................................................................................113.子网掩码：........................................................................................................
