[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$flk83OKPxu2Egihi3mOaB761b6BD3Bs0N5g2-c5sPMVs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-12-28 17:31:29",123299421,[8,9,10,11],"物理层","数据链路层","网络层","运输层",{"courseId":13,"courseImg":14,"courseName":15},"29e11b1fa6b07d57d9522a270e6c69b8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2895db9eae6998105f2dd0eb4744142a.jpg","计算机网络","无论是SLIP还是PPP协议都是()协议",[18,29,32,37,47,56,65,74,84,93],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],123299419,[22,23,24,25],"x6+x4+x3+1","x5+x3+x2+1","x5+x3+x2+x","x6+x5+x4+1","在CRC码计算中,可以将一个二进制位串与一个只含有0或1两个系数的一元多项式建立对应关系.例如,与位串101101对应的多项式为()","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":27,"type":28},[],123299426,[8,9,10,11],"在OSI参与模型的各层中,( )的数据传送单位是帧",{"answer":38,"createTime":39,"id":40,"options":41,"question":46,"source":27,"type":28},[],"2023-12-28 17:31:30",123299433,[42,43,44,45],"10指的是传输速率为10Mbps","Base指的是基带传输","T指的是以太网","10Base-T是以太网的一种配置","10Base-T以太网中,以下说法不对的是()",{"answer":48,"createTime":39,"id":49,"options":50,"question":55,"source":27,"type":28},[],123299436,[51,52,53,54],"CSMA\u002FCD","令牌总线","令牌环","去竞争协议","Ethernet采用的媒体访问控制方式为( )",{"answer":57,"createTime":39,"id":58,"options":59,"question":64,"source":27,"type":28},[],123299442,[60,61,62,63],"站点可随时发送,仅在发送后检测冲突","站点在发送前需侦听信道,只在信道空闲时发送","站点采用带冲突检测的CSMA协议进行发送","站点在获得令牌后发送","以太网采用的发送策略是()",{"answer":66,"createTime":39,"id":67,"options":68,"question":73,"source":27,"type":28},[],123299445,[69,70,71,72],"用路由器将网络分段","用网桥将网络分段","将网络转接成10BaseT","用网络分析仪跟踪正在发送广播信息的计算","要控制网络上的广播风暴,可以采用哪个手段",{"answer":75,"createTime":76,"id":77,"options":78,"question":83,"source":27,"type":28},[],"2023-12-28 17:31:31",123299449,[79,80,81,82],"100Mbit\u002Fs","150Mbit\u002Fs","200Mbit\u002Fs","1000Mbit\u002Fs","一个快速以太网交换机的端口速率为100Mbit\u002Fs,若该端口可以支持全双工传输数据,那么该端口实际的传输带宽为( )",{"answer":85,"createTime":76,"id":86,"options":87,"question":92,"source":27,"type":28},[],123299455,[88,89,90,91],"CSMA\u002FCD协议是一种解决访问冲突的协议","CSMA\u002FCD协议适用于所有802.3以太网","在网络负载较小时,CSMA\u002FCD协议的通信效率很高","这种网络协议适合传输非实时数据","关于IEEE802.3的CSMA\u002FCD协议,下面结论中错误的是()",{"answer":94,"createTime":76,"id":95,"options":96,"question":101,"source":27,"type":28},[],123299460,[97,98,99,100],"以太网交换机是利用"端口\u002FMAC地址映射表"进行数据交换的","以太网交换机帧转发方式主要分为直接交换、存储转发交换与改进的直接交换方式","使用直接交换方式的交换机首先完整地接收发送帧,并先进行差错检测","局域网交换机主要有以下几种技术特点:低交换延迟、支持不同的传输速率和工作模式","以下关于交换以太网特征的描述中,错误的是()"]