[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fN-V69Enlo-pxF7cmATxZxhurU-LP0-zkESbzunpdImI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":12,"related":13,"source":19,"type":20},[],"2026-01-21 18:13:11",315460150,[],{"courseId":9,"courseImg":10,"courseName":11},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","请问CSMA\u002FCD协议进行"碰撞检测"的原因是什么",[14,21,24,29,34,39,44,49,55,60],{"answer":15,"createTime":5,"id":16,"options":17,"question":18,"source":19,"type":20},[],315460149,[],"数据在网络中传送会产生时延,请分别列出这些时延并说明产生的原因","v1",4,{"answer":22,"createTime":5,"id":6,"options":23,"question":12,"source":19,"type":20},[],[],{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":19,"type":20},[],315460151,[],"请说明IP地址和MAC地址的区别,并说明要使用这两种不同的地址的原因",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":19,"type":20},[],315460152,[],"请简述使用子网掩码的分组转发过程",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":19,"type":20},[],315460153,[],"请简述TCP建立连接"三次握手"的过程",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":19,"type":20},[],315460154,[],"请问TCP超时重传时间设置太短或者过长会产生什么问题",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":19,"type":20},[],315460155,[],"请简述DNS域名解析"递归查询"的过程",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":19,"type":54},[],315460156,[],"假设某信道受奈氏准则限制的最高码元率为20000码元\u002F秒.如果采用振幅调制,把码元的振幅划分为16个不同等级来传送,那么可以获得多高的数据率(bit\u002Fs)",7,{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":19,"type":54},[],315460157,[],"假定1KM长的CSMA\u002FCD网络的数据率为1Gbit\u002Fs,该信号在网络中的传播速率为200000km\u002Fs.求能够使用此协议的最短帧长",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":19,"type":54},[],315460158,[],"请根据距离向量算法构造出路由器R1的路由表. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffdf9f812831e2192c8759fc6c1aa28cb.png\">"]