[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f34h8dydwSP3shrU0ZUKH8WjRVdFRkZCh109QFaCMzOA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":22,"type":23},[],"2026-04-20 17:54:37",345284198,[8,9,10,11,12],"不一定需要选举","所有 WAN 网络都必须选举","点对点网络必须选举","广播多路访问网络必须选举","非广播多路访问网络必须选举",{"courseId":14,"courseImg":15,"courseName":16},"6dbad66562d7572de9f8f83bdc4dcec0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5db7051b282ff59b3dbbd0d1b09d89db.jpg","网络设备配置与管理","哪两项陈述正确描述了 OSPF DR\u002FBDR 选举? (选择两项.)",[19,24,34,44,54],{"answer":20,"createTime":5,"id":6,"options":21,"question":17,"source":22,"type":23},[],[8,9,10,11,12],"v1",1,{"answer":25,"createTime":5,"id":26,"options":27,"question":33,"source":22,"type":23},[],345284199,[28,29,30,31,32],"区域 id","K-values","度量值","hello 间隔","网络类型","为形成邻接关系,OSPF 路由器之间的哪三项参数必须相等?(选择三项.)",{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":22,"type":43},[],345284200,[38,39,40,41],"路由表中包含整个网络的所有路由","路由表中将包含正常工作的相连网络的路由","因为此时 SPF 算法尚未完成所有计算,所以路由表中没有路由","所有以前获知路由的总结路由将自动出现在路由表中,直到路由器接收到所有的 LSP","包含五台路由器的完全收敛 OSPF 网络已经正常运行数个星期.所有配置都已保存,而且未使用任何静态路由.如果其中一台路由器断电并重新启动,那么在配置文件加载之后、OSPF 收敛之前其路由表中包含什么信息",0,{"answer":45,"createTime":5,"id":46,"options":47,"question":53,"source":22,"type":43},[],345284201,[48,49,50,51,52],"192.168.0.0\u002F24 到 192.168.0.15\u002F24","192.168.0.0\u002F24 到 192.168.15.0\u002F24","192.168.15.0\u002F24 到 192.168.31.0\u002F24","192.168.15.0\u002F24 到 192.168.255.0\u002F24","192.168.16.0\u002F24 到 192.168.255.0\u002F24","命令 Router1(config-router)# network 192.168.0.0 0.0.15.255 area 100 将在 OSPF 更新中通告哪个范围的网络",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":22,"type":43},[],345284202,[58,59,60,61],"带宽","带宽和跳数","带宽和可靠性","带宽、负载和可靠性","OSPF 使用什么来计算到目的网络的开销"]