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多选题
Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）
A
The show ip ospf neighbors command lists two neighbors off Fa0/0.
B
The show ip ospf neighbors command lists four neighbors off Fa0/0.
C
The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.
D
The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.
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更多 “多选题Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）AThe show ip ospf neighbors command lists two neighbors off Fa0/0.BThe show ip ospf neighbors command lists four neighbors off Fa0/0.CThe show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.DThe show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.” 相关考题
考题
Which of the following is the MOST accurate description of a L2／L3 switch?()
A. Performs switching and routing dutiesB. A router that directly connects to a switchC. A multi-purpose switch fabric used in full mesh environmentsD. A switch that directly connects to a router
考题
某网络拓扑结构如下：在路由器R2上采用show ip rout命令得到如下所示结果。 R2 ... R 192.168.2.0/24[120/1] via 61.114.112.1，00:00:11，Serial2/0 C 192.168.1.0/24 is directly connected，FastEthernet0/0 61.114.112.0/30 is subnetted，1 subnets C 61.114.112.0 is directly connected，Serial2/0 R2 则host1可能的IP地址为（ ），路由器R1的S2/0口的IP地址为（ ）。A.192.168.2.1B.192.168.1.1C.61.114.112.1D.61.114.112.2A.192.168.2.1B.192.168.1.1C.61.114.112.1D.61.114.112.2
考题
Router R1 sets a route tag for subnet 10.1.1.0／24 when redistributing from OSPF into EIGRP.Which of the following unit is assigned to the route tag?()
A. Kilobits/seconDB. Tens of microsecondsC. CostD. Hop countE. No unit is assigneD
考题
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
考题
Refer to the exhibit. When you examine the routing table of R1 and R4, you are not able to see the R1 Ethernet subnet on the R4 routing ta ble. You are also not able to see the R4 Ethernet subnet on the R1 routing table.Which configuration change should be made to resolve this issue? Select the routers where the configuration change will be required, and select the required EIGRP configur ation command(s).（）A. R1 and R4B. R2 and R3C. ip summary-address eigrp 1 10.1.1.0 255.255.255.0 and ip summary - address eigrp 110.2.2.0 255.255.255.0D. variance 2E. eigrp stub connectedF. no auto - summary
考题
某网络拓扑结构如下：
在路由器R2上采用show ip rout命令得到如下所示结果。
R2>..R 192.168.2.0/24[120/1] via 61.114.112.1，00:00:1l，Seria12/0C 192.168.1.0/24 is directly connected，FastEthernet0/061.114.112.0/30 is subnetted，1 subnetsC 61.114.112.0 is directly cormected，Seria12/0R2>则hostl可能的IP地址为（ ），路由器R1的S2/0口的IP地址为（请作答此空）。A.192.168.2.1
B.192.168.1.1
C.61.114.112.1
D.61.114.112.2
考题
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.
考题
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?（）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).
考题
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?（）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
考题
In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）A、Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.B、A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.C、A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.D、A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.
考题
Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1's decision of what r outes to add to the IP routing table? Note that RD refers to reported distance and FD to feasible distanc E.（）A、Adds all routes for which the metric is = 200 * the best metric among all routesB、Adds all routes because of the ridiculously high variance settingC、Adds all successor and feasible successor routesD、Adds all successor and feasible successor routes for which the metric is=200 * the best metric among all routes
考题
Which statement is true about Foreign Exchange Station （FXS） ports on a router？（）A、The FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office.B、The FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone.C、The FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone.D、The FXS interface connects directly to ISDN voice channels.
考题
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 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
考题
Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet. Which of the following are true about the OSPF database exchange process over this subnet at this point?（）A、R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.B、R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.C、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.D、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.
考题
Router R1 is three router hops away from subnet 10.1.1.0/24. According to various show interfaces commands, all three links between R1 and 10.1.1.0/24 use the following settings: bandwidth: 1000, 500, 100000 and delay : 12000, 8000, 100. Which of the following answers correctly identifies a value that feeds into the EIGRP metric calculation？（）A、Bandwidth of 101,500B、Bandwidth of about 34,000C、Bandwidth of 500D、Delay of 1200E、Delay of 2010F、Delay of 20100
考题
Use the same scenario as the previous question, w ith one changE.Instead of the distribute-list prefix question in command configured on R1,R1's OSPF process has an area 1 filter-list prefix question in commandconfigured. Again assuming that 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 su bnet 10.1.2.0/26 into area 1B、R1 will not create/flood a Type 3 LSA for subnet 10.1.2.0/24 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
考题
Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）A、The show ip ospf neighbors command lists two neighbors off Fa0/0.B、The show ip ospf neighbors command lists four neighbors off Fa0/0.C、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.D、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.
考题
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?（）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).
考题
Which of the following is the MOST accurate description of a L2/L3 switch?（）A、Performs switching and routing dutiesB、A router that directly connects to a switchC、A multi-purpose switch fabric used in full mesh environmentsD、A switch that directly connects to a router
考题
单选题The resistance of a conductor varies （）A
directly as its length and inversely as its cross-sectional areaB
inversely as its length and directly as its cross-sectional areaC
directly as its length and directly as its cross-sectional areaD
inversely as its length and inversely as its cross-sectional area
考题
单选题Use the same scenario as the previous question, w ith one changE.Instead of the distribute-list prefix question in command configured on R1,R1's OSPF process has an area 1 filter-list prefix question in commandconfigured. Again assuming that 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 su bnet 10.1.2.0/26 into area 1B
R1 will not create/flood a Type 3 LSA for subnet 10.1.2.0/24 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
考题
单选题Router R1 sets a route tag for subnet 10.1.1.0/24 when redistributing from OSPF into EIGRP.Which of the following unit is assigned to the route tag?（）A
Kilobits/seconDB
Tens of microsecondsC
CostD
Hop countE
No unit is assigneD
考题
单选题Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）A
Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.B
R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.C
R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.D
All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
考题
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?（）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
考题
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 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
考题
多选题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?（）Ashow ip routeBshow ip eigrp topologyCshow ip ospf topologyDshow ip eigrp topology 10.1.1.0/24
考题
单选题Which of the following is the MOST accurate description of a L2/L3 switch?（）A
Performs switching and routing dutiesB
A router that directly connects to a switchC
A multi-purpose switch fabric used in full mesh environmentsD
A switch that directly connects to a router
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