思科网络学院 CCNA 2 练习题和答案 CCNA2 ERouting Chapter 5
CCNA2 思科第二学期 v2.0 ERouting Chapter 7答案
请参见图示。
如果所有路由器都运行RIP 第2 版，为什么没有192.168.1.32/27 网络的路由？Rip 第2 版不会在更新中发送子网掩码。
路由器A 并未将RIP 设置为路由协议。
Rip 第2 版默认将自动总结路由。
路由器B 未设置为通告192.168.1.64/30 网络。
2 points for Option 3请参见图示。
下列哪个路由器上的哪条命令可让Router1 获知192.168.0.0/20 网络？Router1(config)# ip classlessRouter1(config-router)# no passive-interface serial 0/1/1Router2(config-router)# version 2Router2(config-router)# neighbor 10.0.0.22 points for Option 3哪两项是选择实施RIP 第 2 版而不是RIP 第 1 版的原因？（选择两项。
）RIP 第2 版支持VLSM。
RIP 第2 版支持16 台以上的路由器。
RIP 第2 版支持有类（而不是无类）路由RIP 第2 版支持路由更新验证。
RIP 第2 版支持多区域。
RIP 第2 版使用Dijkstra 算法而不是贝尔曼-福特算法。
Option 1 and Option 4 are correct.RIP v1 和RIP v2 的相似点有哪些？（选择三项。
）两者都使用跳数作为度量。
两者对无穷距离使用相同的度量值。
两者都向邻居广播其更新。
两者都在更新中发送子网掩码信息。
两者都对更新来源进行身份验证。
两者都使用水平分割来防止路由环路。
Option 1, Option 2, and Option 6 are correct.请参见图示。
路由器East 和West 被配置为使用RIPv1。
两台路由器都会发送有关其直连路由的更新。
East 路由器可以ping 通West 路由器的串行接口，West 可以ping 通East 的串行接口。
最新CCNA2 Final Exam
参加考试 - ERouting Final Exam - CCNA Exploration: 路由协议和概念 (版1本 4.0)231.4567请参见图示。
哪一项是对连接到路由器 R1 的路由的最有效总结？89198.18.0.0/161011198.18.48.0/211213198.18.32.0/221415198.18.48.0/231617198.18.49.0/231819198.18.52.0/222021222.下列关于路由协议的陈述，哪三项是正确的？（选择三项。
）2324EIGRP 支持不等价负载均衡。
2526RIP 无法配置为允许无类路由。
2728OSPF 在多路访问链路上选举指定路由器。
2930RIP 不通告跳数超过 15 的路由。
3132EIGRP 使用广播流量与其邻居建立相邻关系。
3334OSPF 能够更迅速地收敛，因为在后继路由失效时，它能够在其拓扑表中找出35可行后继路由。
3637383.39404142请参见图示。
该网络正在运行 RIP 路由协议。
网络 10.0.0.0 突然断开。
下43列有关此拓扑结构中路由器如何响应该事件的陈述中，哪一项是正确的？4445Router4 将在 30 秒之后的下一次定期更新中获知该失效路由。
4647在抑制计时器超时之前，水平分割将阻止 Router4 向 10.0.0.0 网络转发数48据包。
4950Router5 将立即从路由表中清除这一失效路由。
5152Router5 将向 Router4 发送触发更新，其中网络 10.0.0.0 的度量为 16。
5354554.565758请参见图示。
根据图中所示的拓扑结构，要在 Paris 路由器上配置 EIGRP 需59要使用哪三条命令？（选择三项。
）6061Paris(config)# router eigrp 1006263Paris(config)# router eigrp6465Paris(config-router)# network 192.168.6.06667Paris(config-router)# network 192.168.7.06869Paris(config-router)# network 192.168.8.07071Paris(config-router)# network 192.168.9.07273745.75767778请参见图示。
CCNA02-final3
1Which of the following are required when adding a network to the OSPF routing process conf iguration? (Choose three.)network addressloopback addressautonomous system numbersubnet maskwildcard maskarea ID2Using default settings, what is the next step in the router boot sequence after t he IOS loads from flash?Perf orm the POST routine.Search for a backup IOS in ROM.Load the bootstrap program f rom ROM.Load the running-config file from RAM.Locate and load the startup-config file from NVRAM.3Refer to the exhibit. What is the most efficient summarization of the routes attached to router R1?198.18.0.0/16198.18.48.0/21198.18.32.0/22198.18.48.0/23198.18.49.0/23198.18.52.0/224Refer to the exhibit. When troubleshooting a network, it is important to interpret the output of various router commands. On the basis of the exhibit, which three statem (Choose three.)The missing information f or Blank 1 is the command show ip route .The missing information f or Blank 1 is the command debug ip route .The missing information f or Blank 2 is the number 100.The missing information f or Blank 2 is the number 120.The missing information f or Blank 3 is the letter R.The missing information f or Blank 3 is the letter C.5Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose t wo.)10.0.0.0/864.100.0.0/16128.107.0.0/16172.16.40.0/24192.168.1.0/24192.168.2.0/246When presented with multiple valid routes to a destination, what criteria does a router use to determine which routes to add to the routing table?The router selects the routes with the best metric. All routes that hav e the same best metric are added to the routing table.The router f irst selects routes with the lowest administrative distance. The resulting routes are then prioritized by metric and the routes with the best metric arouting table.The router selects the routes with the lowest administrativ e distance. All routes with the same lowest administrative distanc e are added to the routing table.The router installs all routes in the routing table but uses the route with the best metric most when load balancing.7Refer to the exhibit. All routers in the network are running RIPv2 and EIGRP with default routing protocol settings and have interfaces configured with the bandwidths t exhibit. Which protocol will be used and how will traffic between the Router1 LAN and Router5 LAN be routed through the network?RIPv2 will load balance across both paths between Router1 and Router5.EIGRP will load balance across both paths between Router1 and Router5.RIPv2 traffic will use the path Router1, Router2, Router5 because it has the least hops.EIGRP traffic will use the path Router1, Router3, Router4, Router5 because it has the best metric.8Of the listed routing protocols, which two will propogate LSPs to all neighbors? (Choose two.)IS-ISEIGRPOSPFRIPv1RIPv29Refer to the exhibit. Routers 1 and 2 are directly connected over a serial link. Pings are f ailing between the two routers. W hat change by the administrator will correctSet the encapsulation on both routers to PPP.Decrease the bandwidth on Serial 0/1/0 on router 2 to 1544.Change the cable that connects the routers to a crossover cable.Change the IP address on Serial 0/1/0 on router 2 to 192.168.0.1/30.10Refer to the exhibit. Which three statements are true of the routing table for Router1? (Choose three.)The route to network 172.16.0.0 has an AD of 156160.Network 192.168.0.16 can best be reached using FastEthernet0/0.The AD of EIGRP routes has been manually changed to a value other than the default value.Router1 is running both the EIGRP and OSPF routing process.Network 172.17.0.0 can only be reached using a default route.No default route has been conf igured.11Which statement correctly describes a feasible successor in EIGRP?It is a primary route that is stored in the routing table.It is a backup route that is stored in the routing table.It is a primary route that is stored in the topology table.It is a backup route that is stored in the topology table.12Refer to the exhibit. A ping from R1 to 10.1.1.2 is successful, but a ping from R1 to 192.168.2.0 fails. What is the cause of this problem?There is no gateway of last resort at R1.The serial interf ace between the two routers is down.A default route is not configured on R1.The static route for 192.168.2.0 is incorrectly conf igured.13Refer to the exhibit. A network administrator has run the show interface command. The output of this command is displayed. What is the first step that is required toSwitch the cable with a known working cable.Issue the no shutdown command on the interface.Configure the interf ace as a loopback interface.Set the encapsulation for the interface.14Which two locations can be the source of the Cisco IOS that is used by a router during the bootup process? (Choose two.)flash memoryRAMNVRAMTFTP serverconfiguration register15All routers in a network are configured in a single OSPF area with the same priority value. No loopback interface has been set on any of the routers. Which secondrouters use to determine the router ID?The highest MAC address among the active interfaces of the network will be used.There will be no router ID until a loopback interf ace is configured.The highest IP address among the activ e FastEthernet interfaces that are running OSPF will be used.The highest IP address among the activ e interfaces will be used.16Refer to the exhibit. A network administrator has conf igured OSPF using the following command:network 192.168.1.32 0.0.0.31 area 0Which router interf ace will participate in OSPF?FastEthernet0/0FastEthernet0/1Serial0/0/0Serial0/0/117Refer to the exhibit. All routers are properly configured with default configurations and are running the OSPF routing protocol. The network is f ully converged. A host on th with a host on the 192.168.2.0/24 network.Which path will be used to transmit the data?The data will be transmitted v ia R3-R2.The data will be transmitted v ia R3-R1-R2.The traffic will be load-balanced between two paths — one via R3-R2, and the other via R3-R1-R2.The data will be transmitted v ia R3-R2, and the other path via R3-R1-R2 will be retained as the backup path.18Which two situations require the use of a link-state protocol? (Choose two.)Fast convergence of the network is critical.The network is very large.The network administrator has limited knowledge to configure and troubleshoot routing protocols.The network is a flat network.The capacity of the router is low.19Refer to the exhibit. What is the meaning of the highlighted value 120?It is the metric that is calculated by the routing protocol.It is the v alue that is used by the DUAL algorithm to determine the bandwidth for the link.It is the administrative distance of the routing protocol.It is the hold-down time, measured in seconds, before the next update.20In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic routing processes. Which route will be used to reach this nD 172.16.1.0/24 [90/2195456] via 192.168.200.1, 00:00:09, Serial0/0/0O 172.16.1.0/24 [110/1012] via 192.168.200.1, 00:00:22, Serial0/0/0R 172.16.1.0/24 [120/1] via 192.168.200.1, 00:00:17, Serial0/0/0I 172.16.1.0/24 [100/1192] via 192.168.200.1, 00:00:09, Serial0/0/021Which statement is true about the RIPv1 protocol?It is a link-state routing protocol.It excludes subnet information from the routing updates.It uses the DUAL algorithm to insert backup routes into the topology table.It uses classless routing as the default method on the router.22Refer to the exhibit. The 10.4.0.0 network f ails. What mechanism prevents R2 f rom receiving false update information regarding the 10.4.0.0 network?split horizonhold-down timersroute poisoningtriggered updates23Which statement is true about the metrics used by routing protocols?A metric is a value used by a particular routing protocol to compare paths to remote networks.A common metric is used by all routing protocols.The metric with the highest value is installed in the routing table.The router may use only one parameter at a time to calculate the metric.24Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undef ined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.16 What is the reason for the ping f ailure?The serial interf ace between two routers is down.R2 is not forwarding the routing updates.The 192.168.4.0 network is not included in the RIP configuration of R2.RIPv1 needs to be configured.25Which statement correctly describes a feature of RIP?RIP is a link-state routing protocol.RIP uses only one metric—hop count— for path selection.Adv ertised routes with hop counts greater than 10 are unreachable.Messages are broadcast every 10 seconds.26Refer to the exhibit. When the show cdp neighbors command is issued f rom router C, which devices will be displayed in the output?B, DA, B, DD, SWH-2SWH-1, A, BSWH-1, SWH-2A, B, D, SWH-1, SWH-227Refer to the exhibit. Although R2 is conf igured correctly, host A is unable to access the Internet. What are two static routes that can be c onfigured on R1, either of which w (Choose two.)ip route 0.0.0.0 0.0.0.0 Fa0/0ip route 0.0.0.0 0.0.0.0 Fa0/1ip route 0.0.0.0 0.0.0.0 10.1.1.1ip route 0.0.0.0 0.0.0.0 10.1.1.2ip route 209.165.202.0 255.255.255.0 10.1.1.128Which component is typically used to connect the WIC interface of a router to a CSU/DSU?V.35 cableRJ-45 adaptercrossover cablestraight-through cable29Refer to the exhibit. Which combination of IP address and subnet mask can be used on the serial interf ace of Router2 in order to put the interf ace in the same networ interface of Router1?IP 172.16.0.18, subnet mask 255.255.255.0IP 172.16.32.15, subnet mask 255.255.255.240IP 172.16.0.18, subnet mask 255.255.255.252IP 172.16.32.18, subnet mask 255.255.255.25230Refer to the exhibit. Which host has a combination of IP address and subnet mask on the same network as Fa0/0 of Router1?host Ahost Bhost Chost D31Refer to the exhibit. OSPF is used f or the routing protocol and all interf aces are configured with the correct IP addresses and subnet masks. During testing, it is foun unable to form an adjacency with R2. What is the cause of this problem?Both routers have been configured with incorrect router IDs.Both routers have been configured in different OSPF areas.Both routers have been configured with an incorrect network type.Both routers have been configured with different hello and dead intervals.32You hav e been asked to explain converged networks to a trainee. How would you accurately describe a converged network?A network is converged when all routers have f ormed an adjacency.A network is converged immediately after a topology change has occurred.A network is converged when all routers flush the unreachable networks from their routing tables.A network is converged after all routers share the same information, calculate best paths, and update their routing tables.33 A network administrator is in charge of two separate networks that share a single building. What dev ice will be required to connect the two networks and add a comthe Internet that can be shared?hubrouteraccess pointEthernet switch34Which port should a terminal emulator be connected to in order to access a router without network connectivity?T1serialconsoleFastEthernet35Refer to the exhibit. What needs to be done to allow these two routers to connect successf ully?Add a clock rate to S0/0/0 on R1.Add an interface description to S0/0/1 on R2.Change the serial interface on R2 to S0/0/0 so that it matches R1.Change the IP address of S0/0/1 on R2 so that it is in the same subnet as R1.36Refer to the exhibit. Based on the partial output in the exhibit, why can users establish a console connection to this router without entering a password?The login command was not entered on the console line.The enable password should be an enable secret password.No username and password combination has been configured.Console connections cannot be conf igured to require users to provide passwords.37Refer to the exhibit. When a static IP address is being configured on the host, what address should be used for the default gateway?10.1.1.110.1.1.2172.16.1.1192.168.1.138Refer to the exhibit. The entire 192.168.1.0 network has been allocated to address hosts in the diagram. Utilizing VLSM with contiguous address blocks, which set of pref ixes could be used to create an addressing solution with a minimum waste of IP addresses?39What is a function of a router?It extends the Layer 2 broadcast domain.It eliminates collisions among PCs on the same local network.It provides connectivity among PCs on the same physical segment.It forwards packets to different IP networks based on Layer 3 inf ormation.40Refer to the exhibit. Which solution provides the most efficient use of router resources for forwarding traffic between BR and HQ?RIPRIPv2EIGRPstatic routes41Refer to the exhibit. A network administrator configures a static route on router R1 to reach the 192.168.1.0/24 network. Which IP address should be used as the next ip route command?192.168.1.1192.168.2.1192.135.250.1192.135.250.242Refer to the exhibit. The network is conf igured with RIPv2. However, network administrators notice that communication cannot be successfully completed f rom one L network administrator issues the show ip route command on the HQ router. Based on the output, what should be done to correct the problem?Disable the load balancing feature of RIPv2.Issue the no auto-summary command for RIPv2.Replace RIPv2 with EIGRP which supports VLSM.Make sure that the network statements include the correct subnet mask.43Which protocol is used by EIGRP to deliver and receive update packets?FTPRTPTCPTFTPUDP44Refer to the exhibit. What OSPF network statements are required for the router B to adv ertise the three networks that are attached?router ospf 1network 10.0.0.0 0.0.0.255 area 0router ospf 1network 10.1.1.0 0.3.255.255 area 0network 10.10.1.0 0.255.255.255 area 0network 10.20.1.0 0.255.255.255 area 0router ospf 1network 10.1.1.0 0.0.0.3 area 0network 10.10.1.0 0.0.255.255 area 0network 10.20.1.0 0.0.255.255 area 0router ospf 1network 10.1.1.0 0.0.0.3 area 0network 10.10.1.0 0.0.0.255 area 0network 10.20.1.0 0.0.0.255 area 045Which two v alues are used by default to calculate a metric in EIGRP? (Choose two.) loaddelayreliabilityhop countbandwidth46Refer to the exhibit. Which statement is true concerning the routing configuration?Using dy namic routing instead of static routing would hav e required f ewer configuration steps.The 10.1.1.0/24 and 10.1.2.0/24 routes have adjacent boundaries and should be summarized.Packets routed to the R2 Fast Ethernet interface require two routing table lookups.The static route will not work correctly.47Refer to the exhibit. On the basis of the show running-config output, which option correctly ref lects the routes that will be listed in the R2 routing table?48Refer to the exhibit. Which command should be issued to configure the address of the router interface that is attached to this computer?Router(config-if)# ip address 192.168.2.1 255.255.255.0Router(config-if)# ip address 192.168.2.2 255.255.255.0Router(config-if)# ip address 192.168.0.1 255.255.255.0Router(config-if)# ip address 192.168.0.2 255.255.255.049Refer to the exhibit. Which route will be removed from the routing table if manual EIGRP summarization is disabled on the Serial0/0/0 interface of Router3?0.0.0.0/0172.16.0.0/16172.16.1.0/24172.16.3.0/3050Refer to the exhibit. All interfaces are addressed and f unctioning correctly. The network administrator runs the tracert command on host A. Which two f acts could be output of this command? (Choose two.)The gateway for Host A is missing or improperly conf igured.The gateway for Host B is missing or improperly conf igured.The entry for 192.168.1.0/24 is missing f rom the routing table of R1.The entry for 192.168.1.0/24 is missing f rom the routing table of R2.The entry for 192.168.2.0/24 is missing f rom the routing table of R1.The entry for 192.168.2.0/24 is missing f rom the routing table of R2.。
最新 CCNA第二学期章节测试 第八章 答案
参加考试- ERouting Chapter 8 - CCNA Exploration: 路由协议和概念(版本 4.0) 1请参见图示。
下列哪项陈述能够正确描述该网络？错误！未找该网络使用EIGRP到引用源。
错误！未找至少包含一条父路由和一条子路由到引用源。
错误！未找192.168.2.0、192.168.3.0 和192.168.4.0 网络是子路由到引用源。
错误！未找发往172.16.3.0 的流量将被引导至s 0/0/1到引用源。
2请参见图示。
路由器 B 接收到目的地址为10.16.1.97 的数据包。
路由器 B 将会做什么？错误！未找丢弃数据包到引用源。
错误！未找使用默认路由到引用源。
错误！未找通过到10.16.1.0 的路由转发该数据包到引用源。
错误！未找通过到10.16.1.64 的路由转发该数据包到引用源。
3请参见图示。
Router1 将对172.16.0.0/24 网络的子路由应用什么子网掩码？错误！未找0.0.0.0到引用源。
错误！未找255.255.0.0到引用源。
错误！未找255.255.255.0到引用源。
错误！未找255.255.255.255到引用源。
4请参见图示。
Router1 正在运行IOS 第12.2 版。
网络管理员需要做什么工作才能确保发往172.16.0.0/24 未知子路由的数丢弃？错误！未找使用ip default-network命令到引用源。
错误！未找使用RIPv1 之类的有类路由协议到引用源。
错误！未找启用OSPF 或ISIS 作为路由协议到引用源。
错误！未找使用ip classless命令到引用源。
错误！未找什么都不用做，默认会启用ip classless到引用源。
5路由表中显示以下条目：R 192.168.8.0/24 [120/2] via 192.168.4.1, 00:00:26, Serial0/0/1这是哪种类型的路由？错误！未找1 级父路由到引用源。
ccna2答案第十一章
第十一章CCNA 第二学期Exploration:路由协议和概念(2010-12-24 10:14:15)转载▼标分类：2010｜ CCNA2官方试题--路签：由it1窗体顶端ERouting Chapter 11 - CCNA Exploration: 路由协议和概念(版本 4.0)为形成邻接关系，OSPF 路由器之间的哪三项参数必须相等？（选择三项。
）区域idK-values度量值hello 间隔网络类型接口类型窗体底端2窗体顶端请参见图示。
图中RouterA 、RouterB 和 RouterC 的以太网接口上运行OSPF。
路由器 D 新加入网络。
置了如图所示的环回接口(Lo 0) 。
RouterD 加入网络后，OSPF DR/BDR将会发生什么情况？RouterB 将成为DR 而 RouterD 将成为BDR 。
RouterD 将成为BDR而RouterA仍然是DR 。
RouterD 将成为DR 而 RouterA 将成为BDR 。
在选举过程完成之前，RouterC 是 DR 。
RouterD 将成为DR 而 RouterB 仍然是BDR 。
在当前DR 或 BDR 失效之前， DR 或 BDR 不会发生变化。
窗体底端3窗体顶端请参见图示。
什么配置语句可以得到如图所示show ip protocols命令输出的结果？B(config)# int fa0/0B(config-if)# router-id 192.168.1.5B(config)# int lo0B(config-if)# ip address 192.168.1.5B(config)# router ospf 1B(config-router)# router-id 192.168.1.5B(config)# router ospf 1B(config-router)# ip address 192.168.1.5窗体底端4窗体顶端请参见图示。
ccna2答案第七章
第七章 CCNA第二学期 Exploration: 路由协议和概念 (版本 4.0)(2010-12-20 19:19:52)转载▼标签：it 分类：2010｜CCNA2官方试题--路由ERouting Chapter 7 - CCNA Exploration: 路由协议和概念(版本 4.0)1请参见图示。
如果所有路由器都运行 RIP 第 2 版，为什么没有 192.168.1.32/27网络的路由Rip 第 2 版不会在更新中发送子网掩码。
路由器 A 并未将 RIP 设置为路由协议。
Rip 第 2 版默认将自动总结路由。
路由器 B 未设置为通告 192.168.1.64/30 网络。
2请参见图示。
下列哪个路由器上的哪条命令可让 Router1 获知 192.168.0.0/20 网络？Router1(config)# ip classlessRouter1(config-router)# no passive-interface serial 0/1/1Router2(config-router)# version 2Router2(config-router)# neighbor 10.0.0.23哪两项是选择实施 RIP 第 2 版而不是 RIP 第 1 版的原因？（选择两项。
）RIP 第 2 版支持 VLSM。
RIP 第 2 版支持 16 台以上的路由器。
RIP 第 2 版支持有类（而不是无类）路由RIP 第 2 版支持路由更新验证。
RIP 第 2 版支持多区域。
RIP 第 2 版使用 Dijkstra 算法而不是贝尔曼-福特算法。
4RIP v1 和 RIP v2 的相似点有哪些？（选择三项。
）两者都使用跳数作为度量。
两者对无穷距离使用相同的度量值。
两者都向邻居广播其更新。
两者都在更新中发送子网掩码信息。
两者都对更新来源进行身份验证。
两者都使用水平分割来防止路由环路。
5请参见图示。
路由器 East 和 West 被配置为使用 RIPv1。
CCNA第二学期第二章考试答案
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分项分数：1哪个接口是包含用于管理24 个端口以太网交换机的IP 地址的默认位置？正确响应您的响应VLAN 1Fa0/0Fa0/1连接到默认网关的接口VLAN 99此试题参考以下领域的内容：Routing and Switching Essentials• 2.1.1 使用初始设置配置交换机2下列关于使用全双工快速以太网的陈述中，哪三项是正确的？（请选择三项。
）正确响应您的响应通过双向数据流改善了性能。
由于禁用了设备上的冲突检测功能，因此性能得到了改善。
节点以全双工单向数据流运行。
由于网卡可以检测到冲突，因此性能得到了改善。
全双工快速以太网在两个方向上提供100% 的效率。
由于网卡能更快速地处理帧，因此延迟减少了。
此试题参考以下领域的内容：Routing and Switching Essentials• 2.1.2 配置交换机端口3使用mdix auto 配置命令会对交换机上的以太网接口产生什么影响？正确响应您的响应自动检测双工设置自动检测接口速度自动检测铜电缆类型自动将第一个检测到的MAC 地址分配给接口此试题参考以下领域的内容：Routing and Switching Essentials• 2.1.2 配置交换机端口4在Cisco IOS 软件无法加载的情况下，网络管理员需要哪种类型的电缆将PC 与交换机连接才能恢复它？正确响应您的响应同轴电缆控制台电缆交叉电缆直通电缆因为交换机上没有运行Cisco IOS 软件，所以管理员需要使用控制台电缆将PC 连接到交换机控制台端口，比便将来自PC 的软件转移到交换机。
此试题参考以下领域的内容：Routing and Switching Essentials• 2.1.1 使用初始设置配置交换机5在对连接问题进行故障排除时，网络管理员发现交换机端口状态LED 在绿色和琥珀色之间跳转。
ccna第二学期练习答案中文
ERouting Chapter 1 - CCNA Exploration: 路由协议和概念(版本4.0)1口令可用于限制对Cisco IOS 所有或部分内容的访问。
请选择可以用口令保护的模式和接口。
（选择三项。
）VTY 接口控制台接口特权执行模式2路由器从相连的以太网接口收到消息后，会更改哪项报头地址，再将消息从另一个接口发送出去？第 2 层源地址和目的地址3请参见图示。
网络管理员已经为路由器连接到直连网络的接口配置了如图所示的IP 地址。
从路由器ping 相连网络上的主机口之间相互ping 都会遭到失败。
此问题最可能的原因是什么？必须使用no shutdown命令启用接口。
4请参见图示。
主机 A ping 主机B。
当R4 收到对以太网接口的ping 时，哪两块报头信息包括在内？（选择两项。
）目的IP 地址：192.168.10.134目的MAC 地址：9999.DADC.12345网络管理员刚把新配置输入Router1。
要将配置更改保存到NVRAM，应该执行哪一条命令？Router1# copy running-config startup-config6您需要配置图中所示的串行连接，必须在Sydney 路由器上发出以下哪条配置命令才能与Melbourne 站点建立连接？（选Sydney(config-if)# ip address 201.100.53.2 255.255.255.0Sydney(config-if)# no shutdownSydney(config-if)# clock rate 560007请参见图示。
从路由器的运行配置输出可得出什么结论？显示的命令决定了路由器的当前运行情况。
8请参见图示。
在主机 2 连接到LAN 上的交换机后，主机2 无法与主机 1 通信。
导致此问题的原因是什么？主机 1 和主机2 位于不同的网络中。
9输入以下命令的作用是什么？R1(config)# line vty 0 4R1(config-line)# password check123R1(config-line)# login设置通过Telnet 连接该路由器时使用的口令10以下哪一项正确描述了路由器启动时的顺序？加载bootstrap、加载IOS、应用配置11加载配置文件时的默认顺序是怎样的？NVRAM、TFTP、CONSOLE12请参见图示。
CCNA网络学院第二学期 第六章 试题及答案
ERouting Chapter 6 - CCNA Exploration: 路由协议和概念 (版本4.0)1请参见图示。
网络管理员希望尽量减少 Router1 路由表中的条目数量。
管理员应该在该网络上使用什么技术？VLSMCIDR私有 IP 地址有类路由2 C IDR 对网络有哪两项好处？（选择两项。
）缩小路由表大小动态地址分配自动路由重分布减少路由更新流量在有类边界自动总结3在如图所示的网络中，从 C 类地址的主机部分借用了 3 个位。
在这三条点对点链路上，如果不使用VLSM，那么共有多少址没有被使用？341236841804下列哪些项包含在无类路由协议的路由更新中？（选择两项。
）32 位地址下一跳路由器接口子网掩码单播主机地址第 2 层地址5哪三种内部路由协议支持VLSM？（选择三项。
）OSPFRIP v1RIP v2EIGRPBGPSTP6网络管理员可在VLSM 的帮助下实现下列哪一项？在一个自治系统中使用一个子网掩码在相同的IP 地址空间中使用多个子网掩码在整个自治系统中使用IGRP 作为路由协议在自治系统中使用多种路由协议7如图所示，Router1 和Router2 之间新添加的以太网链路需要一个额外的子网。
要为此链路提供最多14 个可用地址同时又地址，应该在该网络上配置哪个子网地址？192.1.1.16/26192.1.1.96/28192.1.1.160/28192.1.1.196/27192.1.1.224/28192.1.1.240/288请参见图示。
下列哪个地址是图中某个子网的广播地址？192.168.4.3/29192.168.4.15/29192.168.4.65/26192.168.4.255/249某路由器的路由表中安装了一条到网络192.168.32.0/20 的总结路由。
该路由总结了哪些网络？192.168.0.0 – 192.168.32.0/24192.168.0.0 – 192.168.47.0/24192.168.32.0 – 192.168.47.0/24192.168.32.0 – 192.168.48.0/24192.168.32.0 – 192.168.63.0/2410请参见图示。
ccna2答案第五章共10页
第五章 RIPv1 CCNA2 Exploration: 路由协议和概念(2019-12-15 18:07:13)转载▼标签：杂谈分类： 2010｜CCNA2官方试题--路由1 窗体顶端ERouting Chapter 7 - CCNA Exploration: 路由协议和概念(版本 4.0)以下行显示在 show ip route 命令的输出中。
R 192.168.3.0/24 [120/3] via 192.168.2.2, 00:00:30, Serial0/0该路由度量的值是什么？3122030120 窗体底端2 窗体顶端下列关于 RIPv1 特性的陈述中，哪两项是正确的？（选择两项。
）它是一种距离矢量路由协议。
它会在路由更新中通告路由的地址和子网掩码。
RIP 消息的数据部分封装在 TCP 数据段中。
RIP 消息的数据部分封装在 UDP 数据段中。
它每 15 秒广播一次更新。
它最多允许路由域中存在 15 台路由器。
窗体底端3 窗体顶端请参见图示。
图中所示的网络运行 RIPv1。
不久前其中添加了192.168.10.0/24 网络，该网络将只包含最终用户。
如果要防止向新网络中的最终用户设备发送 RIPv1 更新，同时允许将此新网络通告给其它路由器，应该在 Router1 上输入什么命令？Router1(config-router)# no router ripRouter1(config-router)# network 192.168.10.0Router1(config-router)# no network 192.168.10.0Router1(config-router)# passive-interface fastethernet 0/0Router1(config-router)# passive-interface serial 0/0/0窗体底端4 窗体顶端请参见图示。
CCNA_ERouting_Chapter_2
1窗体顶端Which address can be used to summarize networks 172.16.0.0/24 thru 172.16.7.0/24?172.16.0.0/21172.16.1.0/22172.16.0.0 255.255.255.248172.16.0.0 255.255.252.0窗体底端2窗体顶端What happens to a static route entry in a routing table when the outgoing interface is not available?The route is removed from the table.The router polls neighbors for a replacement route.The route remains in the table because it was defined as static.The router redirects the static route to compensate for the loss of the next hop device.窗体底端3窗体顶端Refer to the exhibit. Which static route should be configured on Router1 so that host A will be able to reach h 172.16.0.0 network?ip route 192.168.0.0 172.16.0.0 255.255.0.0ip route 172.16.0.0 255.255.0.0 192.168.0.1ip route 172.16.0.0 255.255.0.0 S0/0/1ip route 172.16.0.0 255.255.0.0 S0/0/0窗体底端4窗体顶端Refer to the exhibit. Which set of commands will configure static routes that will allow the WinterPark and th routers to deliver packets from each LAN and direct all other traffic to the Internet?WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/1WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 198.18.222.0 255.255.255.255 s0/1WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/0窗体底端5窗体顶端Refer to the exhibit. What is the significance of the /8 in the route to the 10.0.0.0 network?It indicates that there are 8 hops between this router and the 10.0.0.0 network.It represents the time, in milliseconds, it takes for a ping to reply when sent to the 10.0.0.0 network.It indicates that there are 8 subnets in the destination network to which the router can forward packets.It indicates the number of consecutive bits, from the left, in the destination IP address of a packet that must m to use that route.6Refer to the exhibit. A company network engineer is assigned to establish connectivity between thenetworks so that hosts on the 10.1.1.0/24 subnet can contact hosts on the 10.1.2.0/24 subnet. The engineer to use only static routing for these company routers. Which set of commands will establish connectivity bet Ethernet networks?R1(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.1R2(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2R1(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.2R2(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.1R1(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2R2(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.1R1(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.1R2(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.2R1(config)# ip route 0.0.0.0 0.0.0.0 10.1.2.1R2(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.17Why is it advisable to enter a next-hop IP address when creating a static route whose exit interface is network?Adding the next-hop address eliminates the need for the router to do any lookups in the routingforwarding a packet.In a multi-access network, the router cannot determine the next-hop MAC address for the Ethernet franext-hop address.Using a next-hop address in a static route provides a route with a lower metric.In multi-access networks, using a next-hop address in a static route makes that route a candidate default8窗体顶端What two devices are responsible for converting the data from the WAN service provider into a form acceptable b (Choose two).the serial port of the routera modema switchthe ethernet port of the routera CSU/DSU devicea DTE device9窗体顶端Which of the following is true regarding CDP and the graphic shown?CDP running on Router D will gather information about routers A, B, C, and E.By default, Router A will receive CDP advertisements from routers B and C.If routers D and E are running different routing protocols, they will not exchange CDP information.Router E can use CDP to identify the IOS running on Router B.窗体底端10窗体顶端Hosts on two separate subnets cannot communicate. The network administrator suspects a missing route in one o tables. Which three commands can be used to help troubleshoot Layer 3 connectivity issues? (Choose three.)pingshow arptracerouteshow ip routeshow controllersshow cdp neighbor11Refer to the exhibit. Given the output in the exhibit, how would a clock rate be determined for this link?The rate would be negotiated by both routers.A rate would not be selected due to the DCE/DTE connection mismatch.The rate configured on the DTE determines the clock rate.The rate configured on the DCE determines the clock rate.窗体底端12窗体顶端Which two statements describe functions or characteristics of CDP? (Choose two.)It starts up automatically and allows the device to detect directly connected neighbor devices that use CDP.It operates at the network layer and allows two systems to learn about each other.It creates a topology map of the entire network.It allows systems to learn about each other even if different network layer protocols are configured.It forwards advertisements about routes for faster convergence.13窗体顶端A router has one static route configured to each destination network. Which two scenarios would require an admalter the static routes that are configured on that router? (Choose two.)The destination network no longer exists.The destination network is moved to a different interface on the same router.The path between the source and destination is upgraded with a higher bandwidth link.The remote destination network interface has to be down for 15 minutes of maintenance.A topology change occurs where the existing next-hop address or exit interface is not accessible.14窗体顶端A static route that points to the next hop IP will have what administrative distance and metric in the routing table?administrative distance of 0 and metric of 0administrative distance of 0 and metric of 1administrative distance of 1 and metric of 0administrative distance of 1 and metric of 1窗体底端15窗体顶端Which of the following are displayed by the Router# show cdp neighbors command? (Choose three.)loadplatformreliabilityholdtimelocal interface16The output of the Router# show interfaces serial 0/1 command displays the following:Serial0/1 is up, line protocol is down.What is the most likely cause for the line protocol being down?Serial0/1 is shutdown.There is no cable connecting the routers.The remote router is using serial 0/0.No clock rate has been set.窗体底端17窗体顶端Refer to the exhibit. How will packets destined to the 172.16.0.0 network be forwarded?Router1 will perform recursive lookup and packet will exit S0/0.Router1 will perform recursive lookup and packet will exit S0/1.There is no matching interface associated with network 172.16.0.0 so packets will be dropped.There is no matching interface associated with network 172.16.0.0 so packets will take gateway of last resor S0/2.窗体底端18窗体顶端Refer to the exhibit. What two commands are required to provide connectivity between the 192.168.1.0 and 10.0.without requiring recursive lookup? (Choose two.)A(config)# ip route 10.0.0.0 255.0.0.0 s 0/1/0A(config)# ip route 10.0.0.0 255.0.0.0 172.16.40.2A (config)# ip route 10.0.0.0 255.0.0.0 s 0/0/0B(config)# ip route 192.168.1.0 255.255.255.0 s 0/0/0B (config)# ip route 192.168.1.0 255.255.255.0 172.16.40.1B(config)# ip route 192.168.1.0 255.255.255.0 s 0/1/019窗体顶端Refer to the exhibit. What two commands will change the next-hop address for the 10.0.0.0/8 network from 1 192.168.1.2? (Choose two.)A(config)# no network 10.0.0.0 255.0.0.0 172.16.40.2A(config)# no ip address 10.0.0.1 255.0.0.0 172.16.40.2A(config)# no ip route 10.0.0.0 255.0.0.0 172.16.40.2A(config)# ip route 10.0.0.0 255.0.0.0 s0/0/0A(config)# ip route 10.0.0.0 255.0.0.0 192.168.1.2窗体底端20窗体顶端A network administrator enters the following command into Router1: ip route 192.168.0.0 255.255.255.0 S0/1/0.receives a packet that is destined for 192.168.0.22/24. After finding the recently configured static route in the routin does Router1 do next to process the packet?drops the packet because the destination host is not listed in the routing tablelooks up the MAC address of the S0/1/0 interface to determine the destination MAC address of the new frameperforms a recursive lookup for the IP address of the S0/1/0 interface before forwarding the packetencapsulates the packet into a frame for the WAN link and forwards the packet out the S0/1/0 interface21Which piece of information is available from examining the output of the command show ip interface brief?Interface speed and duplexInterface MTUErrorsInterface MAC addressInterface IP address。
思科网络学院 CCNA 2 练习题和答案 CCNA2 ERouting Chapter 10
CCNA资料 2009-10-13 14:47:29 阅读379 评论0 字号：大中小 订阅
Assessment Item:
Refer to the exhibit. If all routers and interfaces are configured to use a link-state routing protocol, from which routers will router D receive hello packets?
traffic would load balance across all links
Reset
Scoring Rule for: correctness of response
2 points for Option 3
Assessment Item:
Which algorithm is run by link-state routing protocols to calculate the shortest path to destination networks?
RIPv1
RIPv2
IS-IS
BGP
EIGRP
OSPF
Reset
Scoring Rule for: correctness of response
Option 3 and Option 6 are correct.
Assessment Item:
Which database or table must be identical on all link-state routers within an area in order to construct an accurate SPF tree?
ccna第二章章节习题加答案
第1章路由和数据包转发介绍1.下面哪些路由器的组成和它的功能是匹配的？DA.Flash：永久的储存bootstrap程序B.ROM：永久地存储启动配置文件C.NVRAM：永久地存储操作系统镜像D.RAM：存储路由表和ARP缓存2.哪两个命令可以用来检查给路由器串行接口分配的IP地址？A、EA.show interfacesB.show interfaces ip briefC.show controllers allD.show ip configE.show ip interface brief3.下面哪些命令可以设置特权模式口令为“quiz”？AA.R1（config）# enable secret quizB.R1（config）# password secret quizC.R1（config）# enable password secret quizD.R1（config）# enable secret password quiz4.哪个路由原理是正确的？CA.如果一个路由器在它的路由表中具有确定的信息，那么所有邻接的路由也拥有同样的信息B.从一个网络到另外一个网络路径的路由信息意味着存在着反向（或返回）路径的路由信息C.每个路由器根据它自己路由表中的信息，独立作出路由判断D.每个路由器根据它自己和邻居路由表中的信息，独立作出路由判断5.动态路由协议执行哪两个任务？B、DA.发现主机B.更新和维护路由表C.传播主机默认网关D.网络发现E.分配IP地址6.网络工程师正在配置一个新的路由器。
接口已经配置好了IP地址，并且已经激活。
但是还没有配置路由协议或静态路由。
这时路由表中出现的是什么路由？CA.默认路由B.广播路由C.直接路由D.没有路由，路由表也是空的7.下面哪两个对于路由器转发数据包的描述是正确的？B、DA.如果数据包是去往远程网络的，那么路由器会向所有到这个网络的下一跳接口发送该数据包B.如果数据包是去往直连网络的，那么路由器会向路由表中所指示的外出接口发送C.如果数据包是去往远程网络的，那么路由器会根据路由主机表来发送该数据包D.如果数据包是去往远程网络的，那么路由器会向路由表中所指示下一跳IP发送E.如果数据包是去往直连网络的，那么路由器会根据目的MAC地址发送该数据包F.如果数据包是去往直连网络的，那么路由器会转发数据包到下一跳VLAN的交换机8.关于路由协议使用的度量的哪个描述是正确的？AA.度量是路由协议用来检测给定路由的一个测量值B.度量是思科专有的用来转换距离到标准单元的方法C.度量表示了对于所有路由协议中发生的数据包丢失的数量的一个统计值D.路由器使用度量lai 决定哪些包是错误的和要被丢失的9.网络管理员在路由器上配置了ip rout 0.0.0.0 0.0.0.0 serial 0/0/0命令。
CCNA2 思科第二学期 v2.0 ERouting Chapter 11 答案
请参见图示。
“O*E2 0.0.0.0/0 [110/1] via 192.168.1.1, 00:05:34, Serial0/0”一行中的“O*E2”代表什么含义？内部第2 类OSPF 路由。
距离至少两跳远的外部OSPF 路由。
来自两个不同源的外部OSPF 路由。
不会增加开销的外部OSPF 路由。
默认路由。
该路由是从第2 类路由器分布到OSPF 的。
2 points for Option 4请参见图示。
到10.0.0.0 网络的路由的开销是多少？211017861.5442 points for Option 3为形成邻接关系，OSPF 路由器之间的哪三项参数必须相等？（选择三项。
）区域idK-values度量值hello 间隔网络类型接口类型Option 1, Option 4, and Option 5 are correct.在存在大量邻居的网络中，OSPF 会使用什么来减少路由信息的交换次数？（选择两项。
）根路由器备用根路由器域路由器备用域路由器指定路由器备用的指定路由器Option 5 and Option 6 are correct.OSPF 使用什么来计算到目的网络的开销？带宽带宽和跳数带宽和可靠性带宽、负载和可靠性2 points for Option 1包含五台路由器的完全收敛OSPF 网络已经正常运行数个星期。
所有配置都已保存，而且未使用任何静态路由。
如果其中一台路由器断电并重新启动，那么在配置文件加载之后、OSPF 收敛之前其路由表中包含什么信息？路由表中包含整个网络的所有路由。
路由表中将包含运行中的直连网络。
因为此时SPF 算法尚未完成所有计算，所以路由表中没有路由。
所有以前获知路由的总结路由将自动出现在路由表中，直到路由器接收到所有的LSP。
2 points for Option 2请参见图示。
路由器 A 已针对OSPF 进行了正确的配置。
要生成如图所示路由表，需要在路由器 B 上输入哪条或哪组OSPF 配置语句？B(config-router)# network 192.168.1.0 0.0.0.3 area 0B(config-router)# network 10.16.1.0 0.0.0.224 area 0B(config-router)# network 10.16.1.0 255.255.255.224 area 0B(config-router)# network 192.168.1.0 255.255.255.255 area 0B(config-router)# network 10.0.0.0 255.255.255.255 area 02 points for Option 1请参见图示。
最新 CCNA第二学期章节测试 第三章 答案
参加考试- ERouting Chapter 3 - CCNA Exploration: 路由协议和概念(版本 4.0)1下列哪两项正确描述了管理距离与度量的概念？（选择两项。
）错误！未找管理距离是指特定路由的可信度。
到引用源。
错误！未找路由器会首先添加具有较大管理距离的路由。
到引用源。
错误！未找网络管理员无法更改管理距离的值。
到引用源。
错误！未找具有到目的地的最小度量的路由即为最佳路径。
到引用源。
错误！未找度量总是根据跳数确定。
到引用源。
错误！未找度量会根据所采用的第 3 层协议（如IP 或IPX）而发生变化。
到引用源。
2请参见图示。
下列关于R1 如何确定与R2 之间最佳路径的陈述中，哪一项正确？错误！未找R1 会将使用网络A 的RIP 路由加入路由表，因为RIP 的管理距离比EIGRP 大。
到引用源。
错误！未找R1 会将使用网络A 的RIP 路由加入路由表，因为RIP 的路径开销比EIGRP 低。
到引用源。
错误！未找R1 会将使用网络B 的EIGRP 路由加入路由表，因为EIGRP 的管理距离比RIP 小。
到引用源。
错误！未找R1 会将使用网络B 的EIGRP 路由加入路由表，因为EIGRP 的路径开销比RIP 低。
到引用源。
错误！未找R1 会将EIGRP 路由和RIP 路由加入路由表，并在它们之间实施负载均衡。
到引用源。
3下列关于无类路由协议的陈述，哪两项是正确的？（选择两项。
）错误！未找在路由更新中发送子网掩码信息到引用源。
错误！未找将完整的路由表更新发送给所有邻居到引用源。
错误！未找受RIP 第1 版支持到引用源。
错误！未找允许在同一拓扑结构中同时使用192.168.1.0/30 和192.168.1.16/28 子网到引用源。
错误！未找减少组织中可用地址空间的大小到引用源。
4网络管理员可使用下列哪一条命令来确定路由器是否启用了负载均衡？错误！未找show ip protocols到引用源。
思科网络学院CCNA第二学期ERouter期末考试题2.docx
链路状态路由协议不适合具有特定层次结构的网络。 链路状态路由协议仅向直连的邻居发送整个路由表。
Optio n1and Opti on 2 are correct.
14
网络管理员使用RIP路由协议在一个自治系统内实施路由。
2points for Option 1
19
请参见图示。所有路由器接口都配置了
IP地址且工作正常。如果没有配置任何路由协议或静态路由，那么路由器route命令输出中将包含什么信息？
所有192.168x0网络都将包含在路由表中。
到网络192.168.1.0/24、192.168.2.0/24和192.168.3.0/24的路由将包含在路由表中。
（选择两项。）
使用贝尔曼-福特算法确定最佳路径。
显示确切的网络拓扑图。
可以使大型网络快速收敛。
定期将完整的路由表发送给所有连接的设备。
在复杂网络和分层设计网络中很有用。
Optio n1and Opti on 4 are correct.
15
请参见图示。
这几台路由器已正确配置为使用动态路由协议（使用默认设置），并且网络已完全收敛。路
时，会发生怎样的转发行为？
数据包将被丢弃。
数据包将转发到“最后选用网关”。
数据包将与192.168.0.0网络匹配，并从Serial0/0转发出去。
数据包将与192.168.0.8子网形成最精确匹配，并从Serial0/1转发出去。
2poi nts for Optio n 1
so/u/u
R1#
＜省略部分输出〉
3192.16S.1.0/24 [1/0] via 172.16-2.2
CCNA网络学院第二学期 第二章 试题及答案
ERouting Chapter 2 - CCNA Exploration: 路由协议和概念 (版本 4.0)1当外发接口不可用时，路由表中的静态路由条目有何变化？该路由将从路由表中删除。
路由器将轮询邻居以查找替用路由。
该路由将保持在路由表中，因为它是静态路由。
路由器将重定向该静态路由，以补偿下一跳设备的缺失。
2 哪两种设备负责将来自 WAN服务提供商的数据转换为路由器可以接受的形式？（选择两项。
）路由器的串行端口调制解调器交换机路由器的以太网端口CSU/DSU 设备DTE 设备3请参见图示。
要使WinterPark 和Altamonte 路由器能够传送来自每个LAN 的数据包并将所有其它流量转到Internet，应命令来配置静态路由？WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/1WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 198.18.222.0 255.255.255.255 s0/1WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/04路由器配置有到达每个目的网络的静态路由。
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CCNA资料 2009-10-13 14:36:42 阅读473 评论0 字号：大中小 订阅
注意有View Learner Response 的，这是做错的
Assessment Item:
Refer to the exhibit. All routers in the exhibit are running RIP v1. The network
R 192.168.2.0/24 [120/1]
C 192.168.2.0/24 [120/1]
R 10.10.3.0/24 [120/0]
C 10.10.3.0/24 [120/1]
R 10.10.1.0/24 [120/2]
R 10.10.1.0/24 [120/3]
Reset
table.
Reset
Scoring Rule for: correctness of response
2 points for Option 3
Assessment Item:
Refer to the exhibit. All routers that are shown are running the RIP routing protocol. All
issued to implement this forwarding policy?
only Router1
only the gateway router
all routers in the network
only the routers with LANs needing Internet access
in the routing tables?
All routers have all routes in their routing table.
All routers have all /30 routes, but do not have /24 routes in their routing table.
Reset
Scoring Rule for: correctness of response
2 points for Option 3
Assessment Item:
Which two statements are true regarding the characteristics of RIPv1? (Choose two).
unknown IP traffic must be forwarded to the ISP. What router or set of routers are
recommended to have both a default route and the default-information originate command
Assessment Item:
Refer to the exhibit. All routers are configured with valid interface addresses in the
indicated networks and are running RIPv1. The network is converged. Which routes are present
devices on the new network while still allowing this new network to be advertised to other
routers?
Router1(config-router)# no router rip
Router1(config-router)# network 192.168.10.0
30 seconds
90 seconds
155 seconds
180 seconds
255 seconds
Reset View Learner Response
Scoring Rule for: correctness of response
2 points for Option 3
All routers have all /30 routes. Routers A and E also have some of the /24 routes in their
routing table.
All routers have all /30 routes. Routers B and D also have some of the /24 routes in their
Reset
Scoring Rule for: correctness of response
Option 1 and Option 4
Refer to the exhibit. What can be concluded from the routing table output of router B?
Scoring Rule for: correctness of response
Option 1 and Option 5 are correct.
Assessment Item:
Refer to the exhibit. The network that is shown is running RIPv1. The 192.168.10.0/24
A static default route has been configured on B.
The default-information originate command has been entered on A.
All traffic that is destined for 192.168.1.1 will be sent to address 0.0.0.0.
administrator issues the show ip route command on router A. What routes would appear in the
routing table output if the network is converged? (Choose two).
Hosts on the 10.16.1.0/27 network have 192.168.1.1 configured as the default gateway
address.
Reset
Scoring Rule for: correctness of response
2 points for Option 2
notices that the route is still valid in the routing table of Router1. How much longer will
it take for Router1 to mark the route invalid by setting the metric to 16?
network was recently added and will only contain end users. What command or set of commands
should be entered on Router1 to prevent RIPv1 updates from being sent to the end user
Assessment Item:
Refer to the exhibit. A network consists of multiple routers. What can be verified when the
show ip protocols command is issued on one of the routers in the network?
The data portion of a RIP message is encapsulated into a UDP segment.
It broadcasts updates every 15 seconds.
It allows a maximum of 15 routers in the routing domain.
Router1(config-router)# no network 192.168.10.0
Router1(config-router)# passive-interface fastethernet 0/0
Router1(config-router)# passive-interface serial 0/0/0
It is a distance vector routing protocol.
It advertises the address and subnet mask for routes in routing updates.
The data portion of a RIP message is encapsulated into a TCP segment.
routing metric of each network that is listed in the routing table
Reset View Learner Response
Scoring Rule for: correctness of response
2 points for Option 2
Item Information Page - Domain Knowledge - Weighted Score