[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fggKJjPg2LxRH0HTVsZgieWjiPJwKgk7GxpLs_9CSBGM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-08 16:58:36",230867343,[8,9,10,11],"以太网","帧中继网","PSTN","X.25分组交换网",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},84,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167917104","计算机网络技术","下列不属于广域网的是()",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],230867335,[25,26,27,28],"255.0.0.0","255.0.255.0","255.255.255.0","255.255.0.0","C类IP地址,缺省的子网掩码为()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],230867336,[36,37,38,39],"宽带传输","基带传输","复合传输","重复传输","不搬移基带信号频谱的传输方式,称作()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],230867337,[45,46,47,48],"预约带宽","按优先级分配带宽","争用带宽","循环使用带宽","令牌环网访问控制技术机制是()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],230867338,[54,55,56,57],"数据块","数据库","时间轴","时钟节拍","同步传输是以同步的()来发送数据信号的",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],230867339,[63,64,65,66],"频分多路复用","以上都不对","统计时分多路复用","时分多路复用","把每个要传输的信号以不同的载波频率进行调制,然后在传输介质上进行传输,称作()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],230867340,[72,73,74,75],"DOS","ARP欺骗","木马","病毒","目标计算机与网关通信失败,更会导致通信重定向的攻击形式是()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],230867341,[81,82,83,84],"在物理层扩展局域网可使用转发器和集线器","在数据链路层扩展局域网可使用网桥","以太网交换机实质上是一个多端口网桥,工作在网络层","路由器用来互连不同的网络,是网络层设备","下面关于网络互连设备叙述错误的是()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],230867342,[90,91,92,93],"ATM适配层","网络层","物理层","ATM层","ATM的结构不包括()",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],230867344,[102,103,104,105],"集线器不能延伸网络可操作的距离","集线器不能放大变弱的信号","集线器不能在网络上发送变弱的信号","集线器不能过滤网络流量","下面关于集线器hub描述,正确的是()"]