Router R1 sits inside OSPF area 1. Router R2 redistributes an E1 route into OSPF for prefix 2.2.2.0/24, with external metric 20. Router R22 redistributes an E2 route for the same prefix/length, external metric 10. Under what conditions will R1 choose as it s best route the route through R22?()A、R1 will always choose the route through R22.B、As long as R1's best internal OSPF cost to reach R22 is less than 10.C、As long as R1's best internal OSPF cost to reach R22 is less than 20.D、R1 will never choo se the route through R22 if the E1 route through R2 is available.

Router R1 sits inside OSPF area 1. Router R2 redistributes an E1 route into OSPF for prefix 2.2.2.0/24, with external metric 20. Router R22 redistributes an E2 route for the same prefix/length, external metric 10. Under what conditions will R1 choose as it s best route the route through R22?()

  • A、R1 will always choose the route through R22.
  • B、As long as R1's best internal OSPF cost to reach R22 is less than 10.
  • C、As long as R1's best internal OSPF cost to reach R22 is less than 20.
  • D、R1 will never choo se the route through R22 if the E1 route through R2 is available.

相关考题:

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) Rounter(config)# router ospf63Rounter(config-router)# network 169.111.0.0 0.0.0.0 area 0Rounter(config_router)# area o range 169.111.0.0 255.255.0.0B) Rounter(config)# router ospf63Rounter(config-router)# network 169.111.0.0 255.255.0.0 area 0Rounter(config-router)# area o range 169.111.0.0 255.255.0.0C) Rounter(config)# router ospf63Rounter(config-router)# network 169.111.0.0 0.0.255.255 area 0Rounter(config_router)# area o range 169.1-11.0.0 255.255.0.0D) Rounter(config)# router ospf63Rounter(config_router)# network 169.111.0.0 0.0.255.255 area 0Rounter(config-router)# area o range 169.111.0.0 0.0.255.255

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

路由器R1的拓扑连接和地址分配如下图所示,如果在R1上安装OSPF协议,运行命令:router ospf 200,则配置E0和E1端口的命令分别是______。A.network 10.1.1.0 255.255.255.0 area 0 network 192.168.1.0 255.255.255.0 area 1B.network 10.1.1.1 255.255.255.0 area 0 network 192.168.1.1 255.255.255.0 area 1C.network 10.1.1.255 0.0.0.8 area 0 network 192.168.1.255 0.0.0.8 area 1D.network 10.1.1.0 0.0.0.255 area 0.0.0.0 network 192.168.1.0 0.0.0.255 area 1

RouterAdebug ip ospf events OSPF events debugging is on RouterA 04:43:16: OSPF: Rcv pkt from 10.3.0.2, Ethernet0/1, area 0.0.0.1 mismatch area 0.0.0.2 in the header 04:43:19: OSPF: Rcv hello from 10.100.100.3 area 0 from Ethernet0/0 10.1.0.1 04:43:19: OSPF: End of hello processing Refer to the exhibits. What can be done to fix the problem?()A. Change router B E0/1 interface to area 0.B. Change router A interface E0/1 to area 0.0.0.2.C. Configure the E0/1 i nterfaces of router A and router B to be in area 0.D. Shut down the E0/1 interfaces in router A and router B as OSPF does not allow back doors between areas.E. Remove the E0/1 interfaces in router A and router B from the OSPF process. Use static rou tes to route data directly from router A to router B to avoid passing data through router C in area 0.

When an OSPF design is planned, which implementation can help a router not have memory resource issues?() A. Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC. Have less OSPF areas to reduce the need for interarea route summarizationsD. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2

Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? () A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.E. The Hello parameters on routers R1 and R2 do not m atch.

Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?() A. On the ABR router ospf 10 area 3 stubB. On all Area 3 routers router ospf 10 area 3 stubC. On all Area 3 routers router ospf 10 area 3 stub no - summaryD. On the ABR router ospf 10 area 3 nssaE. On the ABR rou ter ospf 10 area 3 stub no - summary

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

When an OSPF design is planned, which implementation can help a router not have memory resource issues?()A、Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB、Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC、Have less OSPF areas to reduce the need for interarea route summarizationsD、Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2

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、TestKingRouter(config)# router ospf 0B、TestKingRouter(config)# router ospf 1C、TestKingRouter(config)# router ospf area 0D、TestKingRouter(config)# network 192.168.16.0 0.0.0.255 0E、TestKingRouter(config)# network 192.168.16.0 0.0.0.255 area 0F、TestKingRouter(config)# network 192.168.16.0 255.255.255.0 area 0

Which commands are required to properly configure a router to properly configure a router to run OSPFand 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 answers can be verified as true based on the following command output from Router R1?() R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3A、R1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.B、The ping 4.4.4.4 command on R1 must currently be successful.C、R1's Fa0/0 OSPF cost is 3.D、4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.

Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable OSPFv3 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about OSPFv3 on R1 after this configuration has been pasted into R1?() ipv6 router ospf 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000 ::1/64 ipv6 ospf 1 area 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 ospf 1 area 0A、OSPF works on F0/0 and S0/0/0 without further configurationB、OSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modEC、OSPF works with the addition of one command: an router - id command in OSPF router configuration modED、OSPFv3 needs at least two more configuration commands before it works on R1

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

what is the cause of this problem?()A、The OSPF area is not configured properly.B、The priority on R1 should be set higher.C、The cost on R1 should be set higher.D、The hello and dead timers are not configured properly.E、A backup designated router needs to be added to the network.F、The OSPF process ID numbers must match.

The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1's OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0. Which of the following occurs on router R1?() R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 seq 20 permit 0.0.0.0/0 le 32A、R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1B、R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1C、R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablED、R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE

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

什么命令序列将配置一个路由器运行OSPF,并添加网络10.1.1.0/24 area0?()A、router ospf area 0 network 10.1.1.0 255.255.255.0 area 0B、router ospf network 10.1.1.0 0.0.0.255C、router ospf 1 network 10.1.1.0 0.0.0.255 area 0D、router ospf area 0 network 10.1.1.0 0.0.0.255 area 0E、router ospf network 10.1.1.0 255.255.255.0 area 0F、router ospf 1 network 10.1.1.0 0.0.0.255

多选题Which of the following OSPF commands, when used together, will put the network 192.168.10.0/24 into OSPF area 0?()ARouter(config-router)# network 192.168.10.0 0.0.0.255 0BRouter(config-router)# network 192.168.10.0 0.0.0.255 area 0CRouter(config-router)# network 192.168.10.0 255.255.255.0 area 0DRouter(config)# router ospf 0ERouter(config)# router ospf 1

单选题Router R1 sits inside OSPF area 1. Router R2 redistributes an E1 route into OSPF for prefix 2.2.2.0/24, with external metric 20. Router R22 redistributes an E2 route for the same prefix/length, external metric 10. Under what conditions will R1 choose as it s best route the route through R22?()AR1 will always choose the route through R22.BAs long as R1's best internal OSPF cost to reach R22 is less than 10.CAs long as R1's best internal OSPF cost to reach R22 is less than 20.DR1 will never choo se the route through R22 if the E1 route through R2 is available.

多选题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?()ATestKingRouter(config)# router ospf 0BTestKingRouter(config)# router ospf 1CTestKingRouter(config)# router ospf area 0DTestKingRouter(config)# network 192.168.16.0 0.0.0.255 0ETestKingRouter(config)# network 192.168.16.0 0.0.0.255 area 0FTestKingRouter(config)# network 192.168.16.0 255.255.255.0 area 0

单选题Which of the following answers can be verified as true based on the following command output from Router R1?() R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3AR1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.BThe ping 4.4.4.4 command on R1 must currently be successful.CR1's Fa0/0 OSPF cost is 3.D4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.

多选题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?()ARouter(config)#router ospf 1BRouter(config)#router ospf 0CRouter(config)#router ospf area 0DRouter(config-router)#network 192.168.16.0 0.0.0.255 area 0ERouter(config-router)#network 192.168.16.0 0.0.0.255 0FRouter(config-router)#network 192.168.16.0 255.255.255.0 area 0

多选题Which commands are required to properly configure a router to properly configure a router to run OSPFand to add network 192.168.16.0/24 to OSPF area 0?()ARouter(config)#router ospf 1BRouter(config)#router ospf 0CRouter(config)#router ospf  area 0DRouter(config-router)#network 192.168.16.0 0.0.0.255 area 0ERouter(config-router)#network 192.168.16.0 0.0.0.255 0FRouter(config-router)#network 192.168.16.0 255.255.255.0 area 0

多选题Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command. Which of the following commands must have been configur ed on R1's Fa0/0 interface?()Aip ospf authentication nullBip ospf authentication message - digestCip ospf authentication -key whatever- it - isDip ospf message - digest - key 1 md5 whatever - it - isEip ospf md5 1 key whatever - it - is

多选题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?()ARouter(config)#router ospf 1BRouter(config)#router ospf 0CRouter(config)#router ospf area 0DRouter(config-router)#network 192.168.16.0 0.0.0.255 area 0ERouter(config-router)#network 192.168.16.0 0.0.0.255 0FRouter(config-router)#network 192.168.16.0 255.255.255.0 area 0