[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQENj-3iDoGWUzHlbfclXf8hGX2Y05g6bcdHi341bhBk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":25,"type":77},[],"2026-05-12 10:41:11",1087773446,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc4e6b366cb70f693501953b1b0af8322.jpg","[共享课]计算机网络技术基础","防火墙和杀毒软件是一种软件,安装一个就可以.( )",[15,27,36,45,54,63,72,78,81,90],{"answer":16,"createTime":17,"id":18,"options":19,"question":24,"source":25,"type":26},[],"2026-05-12 10:41:10",1087773373,[20,21,22,23],"10Mbps 和10Mbps","10Mbps 和1Mbps","1Mbps 和10Mbps","1Mbps 和1Mbps","有10台计算机建成10Mbps 以太网,如分别采用共享以太网和交换以太网技术,则每个站点所获得的数据传输速率分另为( )","v2",0,{"answer":28,"createTime":17,"id":29,"options":30,"question":35,"source":25,"type":26},[],1087773378,[31,32,33,34],"从右到左越来越小的方式分多层排列","从右到左越来越小的方式分 4 层排列","从左到右越来越小的方式分多层排列","从左到右越来越小的方式分 4 层排列","在 Internet 域名体系中,域的下面可以划分子域,各级域名用圆点分开,按照( )",{"answer":37,"createTime":17,"id":38,"options":39,"question":44,"source":25,"type":26},[],1087773387,[40,41,42,43],"以太网交换机可以对通过的信息进行过滤","以太网交换机中端口的速率可能不同","在交换式以太网中可以划分 VLAN","利用多个以太网交换机组成的局域网不能出现环路","下列对以太网交换机的说法中错误的是( )",{"answer":46,"createTime":17,"id":47,"options":48,"question":53,"source":25,"type":26},[],1087773404,[49,50,51,52],"屏蔽双绞线和非屏蔽双绞线","非屏蔽双绞线和屏蔽双绞线","3类和5类屏蔽双绞线","3类和5类非屏蔽双绞线","局域网中常使用两类双绞线,其中STF和UTP分别代表( )",{"answer":55,"createTime":17,"id":56,"options":57,"question":62,"source":25,"type":26},[],1087773413,[58,59,60,61],"联机关系","结构关系","主次关系","层次关系","计算机网络拓扑是通过网中结点与通信线路之间的几何关系表示网络中各实体间的 ( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":25,"type":26},[],1087773426,[67,68,69,70],"UDP 和 TCP 都是传输层协议,是基于 IP 协议提供的数据报服务,向应用层提供传输服务","TCP 协议适用于通信量大.性能要求高的情况;UDP 协议适用于突发性强消息量比较小的情况","TCP 协议不能保证数据传输的可靠性,不提供流量控制和拥塞控制","UDP 协议开销低,传输率高,传输质量差;TCP 协议开销高,传输效率低,传输服务质量高","下列关于 UDP 和 TCP 的叙述中,不正确的是( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":25,"type":77},[],1087773443,[8,9],"家用路由器的常用管理地址是 127.0.0.1.( )",3,{"answer":79,"createTime":5,"id":6,"options":80,"question":13,"source":25,"type":77},[],[8,9],{"answer":82,"createTime":17,"id":83,"options":84,"question":89,"source":25,"type":26},[],1087773457,[85,86,87,88],"星型拓扑结构","环形拓扑结构","树型拓扑结构","网状拓扑结构","中心节点故障,导致全网瘫痪的是( )",{"answer":91,"createTime":17,"id":92,"options":93,"question":98,"source":25,"type":26},[],1087773461,[94,95,96,97],"应用层","数据链路层","网络层","网络接入层","协议的IP层是指( )"]