[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkCVqppGyxsRXKxmbW8fsw-qv7SNjj8QO91JsB8S0Jts":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2023-10-24 18:53:28",101400200,[8,9,10,11],"MAC地址在每次启动后都会改变","MAC地址一共有48比特,它们从出厂时就被固化在网卡中","MAC地址也称做物理地址,或通常所说的计算机的硬件地址","MAC地址每次启动后都不会变化",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},43,"c41b24a16bd32bb523f09a039630c17a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6f02a8475bab54c2451dca2b7f10c2c8.jpg","计算机网络基础B-48学时","work_30147008","国魂与国梦","以下关于MAC的说法中错误的是",[21,33,42,51,54,63,73,82,87,92],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2023-10-24 18:53:26",101400183,[26,27,28,29],"RJ-45","AUI","BNC-T","NNI","UTP与计算机连接,最常用的连接器为","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],101400189,[37,38,39,40],"经济代价大","传播延迟时间长","易受干扰,可靠性差","传输速率低","卫星通信的主要缺点是",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],101400194,[46,47,48,49],"机械特性","功能特性","过程特性","电气特性","在物理层接口特性中,用于描述完成每种功能的时间发生顺序的是( )",{"answer":52,"createTime":5,"id":6,"options":53,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":31,"type":32},[],101400204,[58,59,60,61],"ARP","RARP","ICMP","DHCP","在TCP\u002FIP协议中,以下哪个协议用于在网络中定位主机的物理地址",{"answer":64,"createTime":65,"id":66,"options":67,"question":72,"source":31,"type":32},[],"2023-10-24 18:53:29",101400206,[68,69,70,71],"以太网","令牌环网","星型网络","蜂窝网络","以下哪些是网络拓扑结构中的树状拓扑",{"answer":74,"createTime":75,"id":76,"options":77,"question":80,"source":31,"type":81},[],"2023-10-24 18:56:37",101400511,[78,79],"正确","错误","和其它各层不同,物理层的协议是与连接方式、硬件设备、传输介质相关的",3,{"answer":83,"createTime":75,"id":84,"options":85,"question":86,"source":31,"type":81},[],101400512,[78,79],"无线接入点(AP)用于提供有线网络连接",{"answer":88,"createTime":75,"id":89,"options":90,"question":91,"source":31,"type":81},[],101400516,[78,79],"在双绞线中,STP(屏蔽双绞线)具有更好的抗干扰能力",{"answer":93,"createTime":75,"id":94,"options":95,"question":99,"source":31,"type":100},[],101400517,[70,96,97,98],"环形网络","总线网络","螺旋网络","以下哪些是网络拓扑结构",1]