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文章数量:1532357

文章目录

  • 实验
    • VRRP(hello advertise)
    • VRRP(hello advertise)
    • HSRP(preempt)
    • HSRP(preempt)
    • GLBP
    • BGP;(多个address-family,只需neighbor直连,中间as-override,旁边allow-in)
    • BGP;(多个address-family,只需neighbor直连,中间as-override,旁边allow-in)
    • OSPF(ip ospf network point-to-point)因为在接口,不需要跟全局那样
    • OSPF(ip ospf network point-to-point)因为在接口,不需要跟全局那样
    • OSPF;难;
    • STP
    • EEM(出现过)
  • 拖图
    • Cloud&On-Premise;Cloud>On-Premise;On-Premise有hardware和effort;Cloud有on-demand和third party;
    • Cloud&On-Premise;Cloud>On-Premise;On-Premise有requires large和high custom;Cloud有easy to scale和high agile;
    • Cloud&On-Premise;Cloud>On-Premise;Cloud有anywhere和cool;On-Premise有investment和capacity;
    • Cloud&On-Premise;
    • Cloud&On-Premise;
    • Cloud&On-Premise:
    • EIGRP和OSPF;EIGRP>OSPF;EIGRP有DUAL和多个条件;OSPF有cost和DA;DA也比DUAL少;
    • EIGRP和OSPF;EIGRP>OSPF;EIGRP出现了link????
    • agent-base&agentless;puppet木偶有实物,salt有实物,ansible安赛波没实物;
    • agent-base&agentless;厨师要基础base;
    • Puppet和Ansible;Puppet>Ansible(PA爬);Puppet有两个agent和before;Ansible有一个agent和ing;
    • CEF&PS;CEF>PS;CEF有prorietary switch和多operation;PS有low switching;
    • CEF&PS;PS有forward decison和software;CEF有forward table和hardware;
    • CEF&PS;CEF有pr switch高转发;PS有low switch低转发;
    • Chef和SaltStack;Chef>Salt(因为厨师用盐还有其他);Ruby比python老;厨师也是比较程序化pro;盐古代是要公告的,才能卖;
    • Chef和SaltStack;Chef有两个communicate;SaltStack有dec和pro;
    • Procedural和Declarative;Procedural>Declarative;Declarative只是声明,没有说明实现,Procdural定义了实现程序;Procedural:tool,command;Declarative:syntax,want;
    • EEM;1-5是周日到周四;
    • EEM;event syslog pattern事件syslog模式;show clock | append flash:ConfSave.txt显示时钟|追加flash:ConfSave.txt;
    • EEM;
    • CM&Orchestration;CM>O;CM:mutable,exist;O:immutable,provision;
    • code snippet;ios-acl为dst-any,action为ip,protocol为access-list-seq-rule,ios-acl为deny;
    • JSON-formatted;File open() changedevices;try:File=open;while True:pass;import json json;exept
    • LISP;RLOC对应router;ITR对应inside到outside;resolver解析对应quest请求
    • LISP;
    • QoS;警察安全无丢失;定型过多延迟又延迟
    • MAC&TCAM;TCAM>MAC;MAC有2层和MAC;TCAM有routing和store;
  • 选择
    • Python;lock traget锁母;
    • python;json.dump;
    • Python;难,平平无奇;
    • Python;book
    • list;题目提及vlan和list;
    • JSON;json.dump,不是json.dumps;
    • JSON;json.dump;
    • JSON;没有json.dump,才选json.dumps;
    • JSON;打印不需要双引号;print的[]里面的不需要";
    • XML;/rpc不带其他;
    • YANG;NETCONF or RESTCONF;
  • 交换
    • EtherChannel;active;
    • EtherChannel;多需看;易错选两个same;成员参数;match the parameter,member;不要same neighbor;
    • port channel;不选active;max-bundle;题目要求bundle,答案也要有bundle;
    • port channel;多需看;PAgP;active+active/passive,on+on,desirable+desireable/auto可以通,其他配合不通,如auto+auto;
    • channel;desirable;
    • port channel;active;
    • port channel;需看;dynamic desirable;
    • port channel;desriable;active+active/passive,on+on,desirable+desireable/auto可以通,其他配合不通,尤其是auto+auto不通,需要改其中一个auto为desirable;遇到trunk就选,除了mode trunk,再附加dynamic(其实不要mode trunk已经可以得出正确答案了);SW2,trunk、dynamic desirable;
    • port channel;active+active/passive,on+on,desirable+desireable/auto可以通,其他配合不通;active+passive=LACP,desirable+auto=PAaP;
    • port channel;active;
    • spanning-tree;both interface都是借口;same native;
    • VLAN;correct native vlan;不要all vlan;题目vlan1,涉及到native vlan;
    • VLAN;encapsulation;dot1q;
    • VXLAN;VTEP;封装解封靠vtep;
    • VXLAN;vxlan首选segment,mutli,不选layer2;不选Layer 2 ;segment;vxlan分段;
    • VXLAN;next hop吓一跳;
    • VXLAN;vxlan首选segment,mutli,不选layer2;multi;vxlan首选segment,mutli,不选layer2
    • STP;XVLAN;xvlan针对二层单播;
    • ESPAN;no filter;
    • GLBP;weighted;加权的
    • DSW;不选大写的CORE;
    • ERSPAN;看图找对称;
    • VRRP;因为track 10,所以要decrement 30;
  • 路由
    • FIB;FIB依赖RIB;
    • CEF;CDP
    • VRF;ip vrf forwarding;
    • VRF;also;
    • VRF;不同的to-red;match x acl-to-red;map rm-to-red;出现两个不同的red;
    • VRF;VRF entry;
    • VRF;ip vrf forwarding;
    • EIGRP;看图找不同
    • OSPF;point-to-point;
    • OSPF;point-to-point;
    • OSPF;point-to-point;
    • OSPF;no passive-interface;不选passive;题目要求要有邻居,所以需要去掉passive;
    • OSPF;passive;
    • OSPF;passive interface;
    • OSPF;110
    • OSPF;需看;le,in;乐鹰;
    • OSPF;255,OSPF是only;
    • OSPF;EIGRP是DUAL;OSPF是DLA;
    • OSPF;三个area 0;不是passive就选,要看题;题目运行1,2,3,但是不要其他,所以精准network这三个网络,其他不要;
    • OSPF;toward;passive interface;
    • OSPF;MTU mismatch;mtu 9100 state EXSTART
    • OSPF;掩码是252,所以是36+3=39,36-39;
    • OSPF;得理解;
    • OSPF;mask 不 same;不选MTU;
    • OSPF;看图;
    • BGP;no neighbor shutdown;
    • BGP;no neighbor shutdown;
    • BGP;no neighbor shutdown;
    • BGP;多需看;易错选R4的;要么调高出发点R2的preference,使得流量从它出发;
    • BGP:要么调高目的R4的prepend,使得流量都向它而去;
    • BGP;需看;2.2.2.2;
    • BGP;CORP;mismatch;
    • BGP;65000;
    • EBGP;看图找neighbor是否配置正确;
    • HSRP;07ac不跟题目一样的数字,附加前面5个0;
    • HSRP;07ac不跟题目一样的数字;
    • HSRP;07ac不跟题目一样的数字;
    • HSRP;version2 + preempt;
    • HSRP;看图就可以;pnonty,default,~~hello~~ ;
    • HSRP;需看;vip,second,不选hello;
    • VRRP;多需看;01,30;题目是2抢占1;所以是1减少30,让2可以抢占1;
    • VRRP;权限大的做master;
    • SSO;minimal;
    • SSO;control and forward;
    • supervisor,supervisor=SSO;
    • QoS;delay-sensitive;
    • QoS;delay-sensitive;
    • QoS;ToS;
    • QoS;classification;
    • TCAM;有Layer 3,都选了Layer 2;
    • TCAM;TCAM比MAC多个mask;
    • ERSPAN;11换12,源目调换,e-id要相同;
    • ERSPAN;双12;
    • ERSPAN;多需看;易错选ERSPAN VLAN;session;
    • ERSPAN;需看;filter;看图更容易选destination;看题目only to g1,又因为acl 10是放行g1的地址,所以选filter a 10;
    • ERSPAN;110;
    • ERSPAN;filter;
    • Telnet;login local;
    • VTY;需看;telnet ssh;all protocol=telnet ssh,terminate in 30=exec-timeout 30 0;
    • Telnet;tm;
    • NAT;与server1同网段的地址;15.1.1.1;
    • NAT;看图;
    • NAT;extendable可扩展性 /可延伸的 /可延长的
    • NAT;overloading;
    • NAT;一换一,or是不可能的;
    • NAT;10.17是source方向,理解错了;需重看;
    • TCP;MSE是16113;E和3;
  • 安全
    • IP SLA;list List;end-point;
    • IP SLA;100和forever;schedule计划100的100是指ip sla 100;
    • IP SLA;R4的source-ip是其接口10.0.0.4;
    • IP SLA;R3的source-ip是其接口10.0.0.3,show ip sla stat 6;
    • transmission;source interface;show monitor;题目filer server在SW1的接口是g0/3,所以source是g0/3;
    • IP SLA;statistic 6;ip sla statistcs 6;径流;
    • policy-map;难;match-any
    • policy-map;一个show带policy-map,一个带两个acl;show policy-map control-plane,两个acl;
    • policy-map;SSH
    • policy-map;show policy-map control-plane,两个acl;
    • policy-map;需看;transmit,drop,input;
    • policy-map;input,transmit,transmit,drop;
    • policy-map;top,tcp;
    • ACL;32+7=39;
    • ACL;translation;overloading;
    • AAA;先ISE,后本地用户;先default,后ISE local;从login和exec二选一,题目要求login;
    • AAA;tacacs+;tacacs+ local;为什么选tacacs+,不选radius,可能就是因为tacacs+是思科的亲儿子吧;
    • AAA;需看,不能加none;题目first AAA,then local,首先AAA,然后local本地;
    • AAA;line con 0,login;0所以loging后面没有东西;
    • AAA;yang;
    • AAA;console group radius;没有出现radius为啥要选;
    • logging;双7;fac7;
    • SNMP;reboot;index changed;
    • GRE tunnel;看图
    • GRE;R1的目的是R3的lo0,160;R3的目的是R1的lo0,110;
    • VPN;PE-3;3B;
    • REST;需看;least;
    • REST;需看;REST选ca,x选OAuth;CA;security对应confidential;不选OAuth;
    • REST API;需看;encoded和authentication;encod编码;编码认证;
    • REST API;p string;pre string;
    • REST API;python,不选Postman;
    • REST API;rface;
    • REST API;timestamp;~~不选OAuth~~ ;
    • REST API;需看;SSL certificate;middle中间,SSL套;
    • API;read data读数据;
    • API;图中accept接受=read data;
    • RESTCONF;ip http port 8888
    • RESTCONF;多需看;HTTPS;先有HTTPS后有RESTCONF;
    • RESTCONF;POST;post对应create;创建邮件;
    • NETCONF;最少的<>;
    • Python;多需看;ncclient;不选Postman,NETCONF涉及ncclient;
    • YANG;NETCONF or RESTCONF;
    • authentication;target;
    • SSH connection;开头两个acl,要有tcp;
    • VTY lines;需看;易混;encryption;strongest选secret 9,shoulder选encryption;
    • firewall;protection;malware;
    • dot1x;msg-body;
  • 无线
    • Cisco SD-Access;遇到Layer 2就选,除了;Layer 2 Flooding;
    • Cisco SD-Access;non+Layer 2;~~nonfabric~~ ;
    • Cisco SD-Access;central中央;store;
    • Cisco SD-Access;roaming infromation漫游信息;~~不选nonfabirc-enabled~~ ;client registration and roaming information客户注册和漫游信息;
    • Cisco SD-Access;多需看;易错选encapsulate and de-encapsulate,entry and exit,选exit point;entry and exit;入口和出口;fabric对应entry and exit;fabric跟entry and exit
    • edge node;多需看;易错选entry and exit(与上面选项易混);edge只跟enapoint有关;跟entry and exit point无关;edge对应endpoint;
    • Cisco SD-Access;要802.1q,不要VXLAN;single node单点就是Q;
    • Cisco SD-Access;FEN;gateway对应edge;gateway网关对应边缘;
    • Cisco DNA Center;Toolkit;11
    • Cisco DNA Center;aWIPS和WLC;双W;
    • Cisco DNA Center;provisioning;gui向导provision服务开通;guiing;
    • Cisco DNA Center;cli点击才能graceful shutdown优雅关闭;不选provisioning;
    • Cisco DNA Center;Postman;Center中心man;
    • Cisco DNA Center;westbound;
    • Cisco DNA Center;recommended software image推荐软件映射;golden image联想到黄金比例,都是推荐的,remcommend;
    • Cisco DNA Center;XML -formatted;
    • Cisco DNA Center;token;
    • Cisco DNA Center;合成中心composite center;composite;mulit多个,comp合成;
    • Cisco DNA Spaces;~~VM~~ ;as a VM;
    • Cisco SD-WAN;多需看;vSmart为control plane运行OMP,不需要vManage;exchange OMP的exchange对应edge,OMP对应vSmart;
    • Cisco SD-WAN;多需看;vSmart不要OMP;key;vSmart分配key钥匙,不重分布OMP;vSmart为control plane运行OMP;不是重分布OMP;重分布的是IPsec keys;
    • Cisco SD-WAN;vBond;learn;
    • Cisco SD-WAN;需看,有overlay不选;attribute that act;next hop;act;TLOC的loc=location位置,下一跳指引位置;
    • WLC;多需看;易错选43;DHCP register 端口是52;注册52;注册吾儿;除了register是52,其他都是43;
    • WLC;先2后1,foreign;先2后1是外国习惯;
    • WLC;Down/Switch-Local没有ing;下/本地交换机;认证下,本地交换机;Down,Local;
    • WLC;WLC;wireless client;
    • WLAN;move to;controller A to(不是and) controller B;
    • WLAN;move to;
    • WLAN;local WLC;本地吴;
    • WLAN;本地WLC;
    • WLAN;3私人;三思而后行;
    • WLAN;多需看;FT and FT;易错选PSK and FT +PSK;
    • WLAN;P2P;
    • WAN;多需看;两个plane;
    • WLAN;128;cipher浏览器;
    • AP;多需看;易错选AAA override;11fail需要passive;启动被冻客户;被动客户;被冻客户;passive被动;
    • AP;fail需要passive反对;
    • AP;需看;standalone独立=only;central中心;排除法选only;错选roam;
    • AP;stored WLC;不选DNS,选stroe存储;
    • AP;不选802.1X,选SAE;encrypt要SAE;
    • AP;SAE;不选802.1x;asymmetric和SAE;
    • AP;两W;
    • AP;多需看;易错选dynamic channel;hole;以这个答案为准hole;
    • AP;ASCII;43 II2;
    • AP;border还是edge;fit适合edge边缘;边界无法适合;local edge本地边缘;le;
    • Cisco SD-Access;border对应Layer 3;SD对应3;node 3;农三;
    • AP;wired LAN;
    • AP;-CAPWAP-;
    • SSID;PSK;
    • SSID;PSK;
    • SSID;遇到broadcast就选,除了broadcast client;
    • SSID;遇到Policy就选;
    • SSID;profiling配置;不选Override;ISE需要RADIUS Profiling;
    • LISP;egress和server;出口服务器;出口福;除服;初伏;除氟;两个egress,一个server;
    • LISP;ETR的e是egress;
    • BFD;遇到dynamic routing;
    • wireless;192.0.2.1;5737,5+7=12;
    • wireless;unified整合;
    • dBm计算;取最小数字;原理母鸡;
    • dBm计算;85-67=18;
    • dBm计算;
    • SNR;25;数据20,语音25;语音比数据值钱;
    • SNR;20;数据20,语音25;语音比数据值钱;
  • 应用
    • hypervisor;bata bus;vCPU;bus;bus;
    • Type 2 hypervisor; Problem;entrie system;
    • Type 2 hypervisor; other;
    • Type 2 hypervisor; VM OS;
    • on-premise;secure;
    • on-premise;automatcion;
    • on-premise;lower upfront;cost than;错一次,云是比本地低成本;
    • EEM;learn;
    • EEM;learn;
    • EEM;no yes;
    • EEM;event none;
    • Cisco TrustSec;ISE和TACACS+,两个S;
    • Cisco TrustSec;security;tag;
    • Cisco TrustSec;security;segment分段;tag;
    • Cisco TrustSec;802.1x和网页;茶王;x web错王;xw;
    • Cisco TrustSec;多需看;易错选802.1x;encrypted;remote destination远航;
    • Cisco StackWise;reset;primary;
    • Cisco router ;遇到broadcast就选,除了broadcast client;peer;authoritative授权peer对等;授权平等;
    • EAP-FAST;no require;fast不需要;
    • Cisco IOS-XE;不选successfully;题目204,2是g2的2,0是10.10.10.1的0,4是24的4;
    • Cisco SD-Access;software,identity;segmentation,service;soid;
    • Cisco SD-Access;central中心的;centralized database server;
  • 其他
    • data model;需看,其他选项也有vendor;refactor广泛;vendor小贩;spcific;
    • data model;runtime state data;
    • traffic shaping;多需看;queue队列;full;
    • traffic policing;traffic direction;both;多个交通才有警察指挥
    • northbound API;programmatic;北控;
    • Cisco StackWise;cabling;proprietary;
    • WEB;loop
    • QoS;classification分类;
    • IEEE;802.1x;deny就是x;
    • Chef;Chef对应cookbook;
    • syslog;load-balancing;看图macflap中的lap涉及load-balancing;
    • MAB;physical;
    • firewall;block UDP;
    • NetFlow;monitor,record;题目中idle for 20,所以inactive 20,再选monitor;
    • HTTP;多需看;OAuth对应authorization;OAuth 2.0;11
    • Telnet;tm;
    • 80%;
  • 多看
    • database;

注:常错题标注“需看”

实验

VRRP(hello advertise)


This is a lab item in which tasks will be performed on virtual devices.

  • Refer to the Tasks tab to view the tasks for this lab item.
  • Refer to the Topology tab to access the device console(s) and perform the tasks.
  • console access is available for all required devices by clicking the device iconor using the tab(s) above the console window.
  • All necessary preconfigurations have bee

本文标签: 题库CCIE