For a router connected to two ISPs for redundancy， using IPSLA and static routing， how would you configure uRPF on the uplink interface？（）A、ip verify unicast source reachable-via anyB、ip verify unicast reverse-pathC、ip verify unicast reverse-path looseD、ip verify unicast reverse-path strict
For a router connected to two ISPs for redundancy， using IPSLA and static routing， how would you configure uRPF on the uplink interface？（）
- A、ip verify unicast source reachable-via any
- B、ip verify unicast reverse-path
- C、ip verify unicast reverse-path loose
- D、ip verify unicast reverse-path strict
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某园区网采用OSPF路由协议，参与OSPF的网络地址是169.111.0.0/16 Cisco路由器的正确配置是A．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.0.0 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0B．Router (config) #router ospf 63 Router (config-router) # network 169.111.0.0 255.255.0.0 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0C．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.255.255 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0D．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.255.255 area 0 Router (config-router) #area 0 range 169.111.0.0 0.0.255.255
在路由器的“Router(confi9—if)#”模式下，执行命令end将切换到 (60) 模式。 A．Router B．Router#C．Router(config)#D．Router(confi9—line)#
下面哪条命令是正确的，如果要将192.168.1.0/24的业务网段发到OSPF的area0（)A.Router(config-router)network 192.168.1.0 0.0.0.2550B.Router(config-router)network 192.168.1.0 0.0.0.255 area0C.Router(config-router)network 192.168.1.0 255.255.255.255 area0D.Router(config-router)network 192.168.1.0 0.0.0.0 area0
There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is:Router A: 10.1.1.1/24Router B: 10.1.1.2/24Router C: 10.2.2.1/26Which statement is true about all the adjacencies that exist on that LAN?（）A. No routers are adjacent with each other.B. Only Router A and Router B are adjacent at Level 1.C. Only Router A and Router B are adjacent at Level 2.D. All three routers are adjacent with each other at Level 1.
Refer to the exhibit The neighbor 10.1.1.1 weight 200 BGP configuration command has been configured on router A. What will be the result of this configuration? () A. Router A will prefer the path through router B for network 172.20.0.0B. Router A will prefer the path through router C for network 172.20.0.0C. Packets from router D will prefer the path through router B for networks advertised by router AD. Packets from r outer D will prefer the path through router C for networks advertised by router A
RouterR1needstobeconfiguredtoadvertiseaspecificnetwork.Whichofthefollowingcommandswouldyouuseifyouwantedtoadvertisethesubnet154.2.1.0255.255.255.0tothe EBGPneighborsonyoursubnet?() A.Router（config-router）#network154.2.1.0B.outer（config-router）#network164.2.1.0C.Router（config-router）#network-advertise154.2.1.0D.Router（config-router）#network154.2.1.0mask255.255.255.0E.Noneoftheotheralternativesapply
WhenconfiguringMulticastVPN(MVPN)overanMPLScore,boththeDefaultandDataMDTisconfiguredunderwhichconfigurationmode?() A.router（config）#B.router（config-if）#C.router（config-vrf）#D.router（config-router）#E.router（config-router-af）#
Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0／24 to OSPF area 0?() A.Router(config)#router ospf 1B.Router(config)#router ospf 0C.Router(config)#router ospf area 0D.Router(config-router)#network 192.168.16.0 0.0.0.255 area 0E.Router(config-router)#network 192.168.16.0 0.0.0.255 0F.Router(config-router)#network 192.168.16.0 255.255.255.0 area 0
WhichcommandsarerequiredtoproperlyconfigurearoutertoproperlyconfigurearoutertorunOSPFandtoaddnetwork192.168.16.0／24toOSPFarea0?() A.Router（config）#routerospf1B.Router（config）#routerospf0C.Router（config）#routerospfarea0D.Router（config-router）#network192.168.16.00.0.0.255area0E.Router（config-router）#network192.168.16.00.0.0.2550F.Router（config-router）#network192.168.16.0255.255.255.0area0
Refertotheexhibit.Tworoutershavejustbeenconfiguredbyanewtechnician.Allinterfacesareup.However,theroutersarenotsharingtheirroutingtables.Whatistheproblem?() A.Split horizon is preventing Router2 from receiving routing information from Router1.B.Router1 is configured for RIP version 2,and Router2 is configured forRIP version 1.C.Router1 has an ACL that is blocking RIP version 2.D.There is a physical connectivity problem between Router1 and Router2.E.Router1 is using authentication and Router2 is not.
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)()。 A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reachedB.Router C will use ICMP to inform Router B that Host 2 cannot be reachedC.Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedD.Router C will send a Destination Unreachable message typeE.Router C will send a Router Selection message typeF.Router C will send a Source Quench message type
如果想知道配置了哪种路由协议，应使用的命令是（ ）A.router>show router protocol B.router（config）>show ip protocol C.router（config）>#show router protocol D.router>show ip protocol
Which of the following commands will display the name of the IOS image file being used in a Cisco router?（）A、Router# show IOSB、Router# show versionC、Router# show imageD、Router# show protocolsE、Router# show flash
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reachedB、Router C will use ICMP to inform Router B that Host 2 cannot be reachedC、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedD、Router C will send a Destination Unreachable message typeE、Router C will send a Router Selection message typeF、Router C will send a Source Quench message type
The router receives a login request from a PPP over ATM client and examines the domain map for the client's domain. The router finds no entries currently configured within the domain map. What does the router do with the login request?（）A、The router rejects it.B、The router tunnels it via L2TP.C、The router authenticates it locally.D、The default virtual router authenticates it.
表明用户正在配置路由协议中的是（）.A、Router（config）#B、Router（config-linE.#C、Router（config-iF.#D、Router（config-router）#
When configuring Multicast VPN （MVPN） over an MPLS core， both the Default and Data MDT isconfigured under which configuration mode？（）A、router（config）#B、router（config-if）#C、router（config-vrf）#D、router（config-router）#E、router（config-router-af）#
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.B、Router C will use ICMP to inform Router B that Host 2 cannot be reached.C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.D、Router C will send a Destination Unreachable message type.E、Router C will send a Router Selection message type.F、Router C will send a Source Quench message type.
Which commands are required to properly configure a router to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?（）A、Router(config)#router ospf 1B、Router(config)#router ospf 0C、Router(config)#router ospf area 0D、Router(config-router)#network 192.168.16.0 0.0.0.255 area 0E、Router(config-router)#network 192.168.16.0 0.0.0.255 0F、Router(config-router)#network 192.168.16.0 255.255.255.0 area 0
Which of the following OSPF commands, when used together, will put the network 192.168.10.0/24 into OSPF area 0?（）A、Router(config-router)# network 192.168.10.0 0.0.0.255 0B、Router(config-router)# network 192.168.10.0 0.0.0.255 area 0C、Router(config-router)# network 192.168.10.0 255.255.255.0 area 0D、Router(config)# router ospf 0E、Router(config)# router ospf 1
Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?（）A、Router(config)#router ospf 1B、Router(config)#router ospf 0C、Router(config)#router ospf area 0D、Router(config-router)#network 192.168.16.0 0.0.0.255 area 0E、Router(config-router)#network 192.168.16.0 0.0.0.255 0F、Router(config-router)#network 192.168.16.0 255.255.255.0 area 0
A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）A、The new router will become active immediately because it’s the newest router introduced intothe groupB、The new router can become active only when the existing active router and the existing standbyrouter become unavailableC、The new router has a lower priority valueD、The new router will never become active unless the existing active router becomes unavailableE、The new router has preempt configured and a higher priorityF、The new router has a higher priority value
There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）A、Router A remains the DIS and generates a new pseudonode LSP for that LANB、Router A remains the DIS and NO new pseudonode LSP is generated for that LANC、Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router AD、Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A
单选题Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）A Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual routeB Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router roleC Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of master virtual router.D Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role
单选题A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）AThe new router will become active immediately because it’s the newest router introduced intothe groupBThe new router can become active only when the existing active router and the existing standbyrouter become unavailableCThe new router has a lower priority valueDThe new router will never become active unless the existing active router becomes unavailableEThe new router has preempt configured and a higher priorityFThe new router has a higher priority value
单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）ANo routers are adjacent with each other.BOnly Router A and Router B are adjacent at Level 1.COnly Router A and Router B are adjacent at Level 2.DAll three routers are adjacent with each other at Level 1.