[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fH-SDgutatUmwwYNkxU2URxdnBUK0Bb0XdvWWS5k6tTs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":29,"type":110},[],"2024-01-03 10:32:32",125981553,[8,9,10,11,12],"第一阶段的所有报文","第一阶段的低5、6个报文","第二阶段的第1、2、3个报文","协商阶段报文不加密,通信时数据才被加密","第一阶段的第3、4个报文",{"courseId":14,"courseImg":15,"courseName":16},"c108bc310104d84f7574bbb47203adab","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","Linux·","变种:IPsec协商过程(第一阶段使用main mode),哪些报文是被加密处理的",[19,31,40,49,56,65,74,83,92,101],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-01-03 10:32:23",125980948,[24,25,26,27],"接口开启了ref","VRRP报文收发异常","两端vRRp相关参数配置不一致","中间链路连通性异常","用户在配置了vrrp后,发现协商异常,出现双主的现象,则下列哪一项不可能是故障原因","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],125980950,[35,36,37,38],"收不到默认路由","R3","R4","R5","如图所示,所有设备配置正确,接口cost 值如图标识.R2会收到哪台设备下发的默认路由?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd5bd4d21fb0ba4ece55e2f71be8d9dda.png\">",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],125980954,[44,45,46,47],"优选R3,因为R3通告的MED值较小","R1无法根据MED进行选路,除非在R1上面配置bgp always-compare-med","R1会优选先进入BGP表中的路由","优选R2,因为R2通告的MED值较大","如下图所示,R4\\R5将10.0.0.0\u002F8通告给R2\\R3,,R2\\R3在将这条路由通告给R1时,分别使用了Route-map对这条路由的MED属性进行了修改,即R2的BGP路由的MED为300,R3通告给R1的BGP路由的MED为200,关于R1对10.0.0.0\u002F8这条BGP路由的优选,下列哪些说法是正确的",{"answer":50,"createTime":21,"id":51,"options":52,"question":55,"source":29,"type":30},[],125980957,[53,54],"true","false","对单个对等体和对等体组同时配置了某个功能时,对对等体组的配置优先生效",{"answer":57,"createTime":21,"id":58,"options":59,"question":64,"source":29,"type":30},[],125980959,[60,61,62,63],"通过修改weigh值可以影响核心交换机对出口的选择","通过修改LocPrf值可以影响核心交换机对出口的选择","通过修改MED值可以影响核心交换机对出口的选择","AS-path相比LocPrf,AS-path对选路的影响更大","某公司总部双出口网关路由器上运行了BGP,两台路由器分别从分公司的eBGP对等体收到10条BGP路由,其中一条路由为192.16810.0\u002F24的路由,BGP属性为(origin=i MED=200,LocPrf=100,Weigh=0,Path=100 i),总公司内部网络的核心交换机与出口路由器建立iBGP对等体关系,请问以下那个描述是正确的",{"answer":66,"createTime":21,"id":67,"options":68,"question":73,"source":29,"type":30},[],125980965,[69,70,71,72],"该LSP是不可用的,不会加载到路由表中","该LSP为本地始发","没什么意义","该LSP为邻居传递而来","通过show isis database命令查看IS-IS链路状态数据库,发现LSP信息中携带*号,*代表着",{"answer":75,"createTime":21,"id":76,"options":77,"question":82,"source":29,"type":30},[],125980968,[78,79,80,81],"route-map调用在数据的进接口","route map中有空配置子图","route map中有match语句,没有set语句","PBR子图调用set ip default next -hop","客户在网络中配置策略路由的时候,发现选路不生效,则下列哪项不可能是故障原因",{"answer":84,"createTime":21,"id":85,"options":86,"question":91,"source":29,"type":30},[],125980972,[87,88,89,90],"local preference > origin属性> as-path属性> MED","origin属性>as-path属性 > local preference > MED","as-path属性> origin属性> local preference > MED","local preference > as-path属性> origin属性> MED","本地BGP路由优选过程中,以下属性的先后比较顺序正确的是",{"answer":93,"createTime":21,"id":94,"options":95,"question":100,"source":29,"type":30},[],125980975,[96,97,98,99],"SA由一个三元组来唯一标识,这个三元组包括安全参数素引SP(Secuity Parameter Index)、源IP地址和安全协议号(AH或ESP)","使用show ipsec命令可以查看到与另一个IPSec对等体之间所采用的加密算法感兴趣流等信息","IPSee只支持用对称加密算达来对数据进行加空","IPSec对等体之间必须存在双向的SA才能建立Ipsec VPN主接","下面关于IPSec中安全联盟SA的说法错误的是",{"answer":102,"createTime":21,"id":103,"options":104,"question":109,"source":29,"type":30},[],125980980,[105,106,107,108],"NEXT_HOP 是公认必遵属性","BGP 使用 AS_PATH 属性将路由经历的所有自治系统号记录成AS列表,并根据该属性选路,优选AS_PATH 较短的路由","依据 BGP 路由的选路规则,优选 MED较低的路由","BGP 不能接收 AS_PATH 中携带本地 AS号的路由","为什么说 BGP 是增强的距离矢量路由协议",1]