[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqntGzF7hiZLiziwsWm5Gp6wOM7jJRDzFiS1vDPUC22E":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-09-23 09:55:15",159974680,[8,9,10,11],"最优路由为路由N,由于其MED比路由M小","最优路由为路由M,由于其MED比路由M大","最优路由为路由M,由于其AS_Path比路由N短","最优路由为路由N,由于其AS_Path比路由N长",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},42,"95948158c1d1eae63f82c104a35db597","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57aece28e0c3d475d0349b5a38288a78.png","大规模网络与优化技术","e6ebe66e67fa4b4da12304a781af8e94","BGP测试","路由器收到包含如图所示属性的两条BGP路由,根据BGP选路规则,以下哪一项的路由是最优路由?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1cf16b1b9873f0ae6aad0325074f5b1e.jpg\">",[21,32,41,50,59,68,77,80,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],159974674,[25,26,27,28],"IP","UDP","TCP","链路层协议","BDP的底层协议是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],159974675,[36,37,38,39],"AFl =1, SAFI =2","AFl =2, SAFl =1","AFl =1, SAFl =128","AFl =2, SAFl =128","BGP传递VPNv4路由时,属性 MP_REACH_NLR 携芾的 AFI和 SAFI分别是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],159974676,[45,46,47,48],"通过配置该命令会対168.32.0.0\u002F16网段的子网路由进行聚合","通过配置路由聚合,路由器 RTA 将下会把关于168.32.0.0\u002F16网段的子网路由通告给邻居,仅仅向邻居通告聚合路由","通过配置 as - set 关健字,其主要作用是防止聚合路产生路出环路","过设置关键字 as - set ,可创建一条聚合路由,该路由的 AS 路径包含了所有子网路由的 AS 路径信息,并且 as - set 中的 AS 编号是无序的","以下关丁如型所示信息的苗述,潜误的是哪选项?[ RTA ] bgp 100[ RTA - bgpJ ipv4-family unicast[ RTA - bgp - af -ipv4] aggregate 168.320.0255.255.0.0 as - set",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],159974677,[54,55,56,57],"Local - Preference 属性不能跨 AS 进行传播","Local - Preference 默认值是100","Local - Preference 影响流出 AS 的流量","Loca1-Preference是公认必遵属性","以下关于 Local - Preference 的描述,错误的是哪一选项",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],159974678,[63,64,65,66],"lGP > Incomplete > EGP","IGP > EGP > Incomplete","IGP > Incomplete > IGP","Incomplete > EGP > IGP","在 BGP 选路规则中,对 Origin 属性优先级的断原则是以下哪一选项",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],159974679,[72,73,74,75],"Nexthop 是 BGP 路由的一种公认必遵属性","BGP 路由的 Origin 属性标识了路由的起源类型,标明了路由是通过什么方式发布到BGP 协议中的","BGP 不会接收 AS Path 属性中包含本 AS Number 的路由","BGP 路由用 AS _ Path 属性记录在传输的路径中所经历的 AS 的列表,在选路规则中AS _ Path 短的路由优先","BGP 协议之所以是种增强型的距离矢量协议,最主要的原因是以下哪一选项",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":30,"type":31},[],"2024-09-23 09:55:16",159974681,[85,86,87,88],"MED","Origin","community","AS_Path","在BGP协议中,可以利用以下哪一种BGP属性对具有某些共同特征的路由进行标记,以便其它BGP路由器能够识别",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":30,"type":31},[],159974682,[94,95,96,97],"两条路由均不会通告给邻居","仅会选取一条最优的路由,通告给 IBGP 邻居","两条负载分担路由都会通告给其他 BGP 邻居","两条路由中会优选一条最佳路由通告给其他 BGP 邻居","配置了 BGP 路由负载分担的情况下,如果存在两条 BGP 路由,这两条 BGP 路由在" BGP 选路规则"中所猫述的前8个属性完全相同,且 AS_Path 属性也相同时,以下关于路由器向邻居宣告路由的描述,正确的哪一项",{"answer":100,"createTime":82,"id":101,"options":102,"question":108,"source":30,"type":31},[],159974683,[103,104,105,106,107],"有可能 BGP 邻居路由不可达,无法建立 TCP 三次握手,导致邻居无法建立","有可能邻居双方的 BGP Router ID 冲突,导致邻居无法建立","有可能邻居双方启用了 BGP 认证,但是认证密码不一致","有可能邻居双方的 AS 编号冲突,导致邻居无法建立","在建立非直连 EBGP 邻层关系时,由于默认 EBGP 更新报文的 TTL 是1,并且没有手工进行更改,导致无法建立","以下关于 BGP 邻居关系不能建立的描述,错误的是哪一选项"]