R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（）A、R1 loses and then re - establishes neighborships with all neighbors.B、R1 no longer advertises 10.1.1.0/24 to neighbors into area 1.C、R1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric).D、R1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).
R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（）
- A、R1 loses and then re - establishes neighborships with all neighbors.
- B、R1 no longer advertises 10.1.1.0/24 to neighbors into area 1.
- C、R1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric).
- D、R1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).
相关考题：
路由器R1的拓扑连接和地址分配如图1-9所示，如果在R1上安装OSPF协议，运行下列命令：router ospf 200，则配置E0和E1端口的命令分别是(40)。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
On Router R1, process EIGRP 1 is redistributing routes from process OSPF 2, calling route - map fred with the redistribute ospf 2 command. R1 has learned intra - area routes for 10.1.1.0/24 and10.1.2.0/24 in part due to the Type 2 LSAs known for each subnet. The route map filters route 10.1.1.0/24 and allows 10.1.2.0/24 througH.Which of the following co mmands on router R1 list subnet 10.1.1.0/24?（）A. show ip routeB. show ip eigrp topologyC. show ip ospf topologyD. show ip eigrp topology 10.1.1.0/24
Router R1 has a connected route for 10.1.1.0/24 off interface Fa0/0. Interface Fa0/0 has been enabled for OSPF due to a router ospf 1 and network 10.0.0.0 0.0.0.255 area 0 command. R1 also has EIGRP configured, with the redistribute ospf 1 metric 1000 100 10 1 1500 command configured under EIGRP.Which one of the following is true?（）A. R1 will not redistribute 10.1.1.0/24 into EIGRP, because R1 knows it as a connected route and not as an OSPF route.B. For any OS PF routes redistributed into EIGRP, the metric components includea value equivalent to 1 Mbps of bandwidth.C. For any OSPF routes redistributed into EIGRP, the metric components include a value equivalent to 100 microseconds of delay.D. No subnets of network 10.0.0.0 will be redistributed due to the omission of the subnets parameter.
Several links have been broken so th at for the next day or two, what was formerly a contiguous area 0 has been broken into two parts. However, both parts of area 0 have working links into area 1 using routers with RID 1.1.1.1 and 2.2.2.2.Which answers list the command on the router with RID 1.1.1.1 to create a virtual link to help solve this temporary problem?（）A. area 0 virtual - link 2.2.2.2B. area 1 virtual - link 2.2.2.2C. area 0 source - rid 1.1.1.1 dest - rid 2.2.2.2D. virtual - link transit - area 1 RID 2.2.2.2
ABR R1 has been configured with an area 1 stub no － summary command. Which stubby area type is area 1?() A. StubB. Totally stubbyC. NSSAD. Totally NSSA
R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1.Which of the following is true?（）A. R1 loses and then re - establishes neighborships with all neighbors.B. R1 no longer advertises 10.1.1.0/24 to neighbors into area 1.C. R1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric).D. R1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).
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?（）R1sh ip prefix - listip prefix - list question: 4 entriesseq 5 deny 10.1.2.0/24 ge 25 le 27seq 15 deny 10.2.0.0/16 ge 30 le 30seq 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
R1 is internal to area 1, and R2 is internal to area 2. Subnet 10.1.1.0/24 exists in area 2 as a connected subnet off R2. ABR ABR1 connects area 1 to backbone area 0, and ABR2 c onnects area 0 to area 2.Which of the following LSAs must R1 use when calculating R1‘s best route for 10.1.1.0/24?（）A. R2‘s Type 1 LSAB. Subnet 10.1.1.0/24‘s Type 2 LSAC. ABR1‘s Type 1 LSA in area 0D. Subnet 10.1.1.0/24‘s Type 3 LSA in Area 0E. Subnet 10.1.1.0/24‘s Type 3 LSA in Area 1
R1 has 5 working interfaces, with EIGRP neighbors existing off each interface. R1 has routes for subnets 10.1.1.0/24, 10.1.2.0/24, and 10.1.3.0/24, with EIGRP integer metrics of roughly 1 million, 2 million, a nd 3 million, respectively. An engineer then adds the ip summary - address eigrp 1 10.1.0.0 255.255.0.0 command to interface Fa0/0.Which of the following is true?（）A. R1 loses and then reestablishes neighborships with all neighbors.B. R1 no longer advert ises 10.1.1.0/24 to neighbors connected to Fa0/0.C. 1 advertises a 10.1.0.0/16 route out Fa0/0, with metric of around 3 million (largest metric of component subnets).D. R1 advertises a 10.1.0.0/16 route out Fa0/0,with metric of around 2 million (med ian metric of component subnets).
Refer to the exhibit. Will redistribute d RIP routes from OSPF Area 2 be allowed in Area 1? () A. RIP routes will be allowed in Area 1 only if they are first redistributed into EIGRP.B. Because NSSA will discard type 7 LSAs, redistributed RIP routes will not be allowed in Area 1.C. Redistrib uted RIP routes will be allowed in Area 1 because they will be changed into type 5 LSAs in Area 0 and passed on into Area 1.D. Redistributed RIP routes will be allowed in Area 1 because they will be changed into type 7 LSAs in Area 0 and passed on into Area 1.E. Because Area 1 is an NSSA, redistributed RIP routes will not be allowed.
Refer to the exhibit. What is the effect of the OSPF configuration on router B?() A. All interfaces will be in area 0B. The router will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 1C. The route r will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 2D. The router will be an ABR with s1/0 in area 0, f0/0 in area 1, and f0/1 in area 2
You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）A. Are the ASBRs trying to redistribute the external routes into a totally stubby area?B. Are the ABRs configured with stubby areas?C. Is the subnets keyword being used with the redistribution command?D. Is backbone area (area 0) contiguous?E. Is the CPU utilization of the routers high?
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
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.routerospfarea0network10.1.1.0255.255.255.0area0B.routerospfnetwork10.1.1.00.0.0.255C.routerospf1network10.1.1.00.0.0.255area0D.routerospfarea0network10.1.1.00.0.0.255area0E.routerospfnetwork10.1.1.0255.255.255.0area0F.routerospf1network10.1.1.00.0.0.255
路由器R1的拓扑连接和地址分配如图7-11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
路由器R1的拓扑连接和地址分配如图5-3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(26)。A．network 10.1.1.0255.255.255.0 area0 network 192.168.1.0 255.255.255.0 area 1B．network 10.1.1.1 255.255.255.0 area0 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
Router R1 has a connected route for 10.1.1.0/24 off interface Fa0/0. Interface Fa0/0 has been enabled for OSPF due to a router ospf 1 and network 10.0.0.0 0.0.0.255 area 0 command. R1 also has EIGRP configured, with the redistribute ospf 1 metric 1000 100 10 1 1500 command configured under EIGRP. Which one of the following is true?（）A、R1 will not redistribute 10.1.1.0/24 into EIGRP, because R1 knows it as a connected route and not as an OSPF route.B、For any OS PF routes redistributed into EIGRP, the metric components includea value equivalent to 1 Mbps of bandwidth.C、For any OSPF routes redistributed into EIGRP, the metric components include a value equivalent to 100 microseconds of delay.D、No subnets of network 10.0.0.0 will be redistributed due to the omission of the subnets parameter.
You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）A、Are the ASBRs trying to redistribute the external routes into a totally stubby area?B、Are the ABRs configured with stubby areas?C、Is the subnets keyword being used with the redistribution command?D、Is backbone area (area 0) contiguous?E、Is the CPU utilization of the routers high?
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
On Router R1, process EIGRP 1 is redistributing routes from process OSPF 2, calling route - map fred with the redistribute ospf 2 command. R1 has learned intra - area routes for 10.1.1.0/24 and 10.1.2.0/24 in part due to the Type 2 LSAs known for each subnet. The route map filters route 10.1.1.0/24 and allows 10.1.2.0/24 througH. Which of the following co mmands on router R1 list subnet 10.1.1.0/24?（）A、show ip routeB、show ip eigrp topologyC、show ip ospf topologyD、show ip eigrp topology 10.1.1.0/24
ABR R1 has been configured with an area 1 stub no - summary command. Which stubby area type is area 1?（）A、StubB、Totally stubbyC、NSSAD、Totally NSSA
An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
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
单选题When an OSPF design is planned, which implementation can help a router not have memory resource issues?（）AHave a backbone area (area 0) with 40 routers and use default routes to reach external destinationsBHave a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFCHave less OSPF areas to reduce the need for interarea route summarizationsDHave multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
多选题R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（）AR1 loses and then re - establishes neighborships with all neighbors.BR1 no longer advertises 10.1.1.0/24 to neighbors into area 1.CR1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric).DR1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).
单选题R1 is internal to area 1, and R2 is internal to area 2. Subnet 10.1.1.0/24 exists in area 2 as a connected subnet off R2. ABR ABR1 connects area 1 to backbone area 0, and ABR2 c onnects area 0 to area 2. Which of the following LSAs must R1 use when calculating R1's best route for 10.1.1.0/24?（）AR2's Type 1 LSABSubnet 10.1.1.0/24's Type 2 LSACABR1's Type 1 LSA in area 0DSubnet 10.1.1.0/24's Type 3 LSA in Area 0E Subnet 10.1.1.0/24's Type 3 LSA in Area 1
单选题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 32AR1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1BR1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1CR1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablEDR1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE
单选题R1 has 5 working interfaces, with EIGRP neighbors existing off each interface. R1 has routes for subnets 10.1.1.0/24, 10.1.2.0/24, and 10.1.3.0/24, with EIGRP integer metrics of roughly 1 million, 2 million, a nd 3 million, respectively. An engineer then adds the ip summary - address eigrp 1 10.1.0.0 255.255.0.0 command to interface Fa0/0. Which of the following is true?（）AR1 loses and then reestablishes neighborships with all neighbors.BR1 no longer advert ises 10.1.1.0/24 to neighbors connected to Fa0/0.C1 advertises a 10.1.0.0/16 route out Fa0/0, with metric of around 3 million (largest metric of component subnets).DR1 advertises a 10.1.0.0/16 route out Fa0/0,with metric of around 2 million (med ian metric of component subnets).