CCNP 试题

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CCNP-思科认证题目

网络系统构建技术总复习一、不定项选择题1、在Windows 2003/2008 的TCP/IP 网络中，IP 地址有两种设定方法，它们分别是（B、D）。

A. 通过DHCP 和DNS 设定B. 通过DHCP 及人工指定C. 通过子网掩码和缺省网关给定D. 通过网络自动生成2、如果所在的局域网中存在DHCP服务器，那么在Windows平台下安装TCP/IP网络时，就可以（B ）A. 去掉IP 地址的设置B. 从DHCP 服务器中自动获得一个IP 地址C. 设置一个有效的固定IP 地址D. 任意设置一个IP 地址3、如果用户所安装的TCP/IP 网络与其他网络或与Internet 相连，则必须（D ）。

A. 设定DHCPB. 设置WINSC. 给定任意一个IP 地址D. 指定缺省网关4．在Windows 2003/2008 的TCP/IP 网络中，要求各个连网计算机的IP 地址在本域范围内（B ）。

A. 使用同一个IP 地址B. 惟一C. 任意设定D. 不惟一5、在设置静态ip 地址时，（A、C、D ）参数有时是可以不设置的。

（选择三项）A.网关B.子网掩码C.首选域名服务器D.备用域名服务器6、在邮件地址中，（B）表示域名。

（选择一项）A. MackenzreB. C.7、一台服务器准备作为网络的文件服务器，管理员正在对该服务器的硬盘进行规划。

如果用户希望读写速度最快，他应将硬盘规划为（ C ），如果用户希望对系统分区进行容错，他应将硬盘规划为（ D ），如果用户希望对数据进行容错，并保证较高的磁盘利用率，他应将硬盘规划为（ E ）。

A.简单卷B.跨区卷C.带区卷D.镜像卷E.RAID－5 卷8、使用域控制器来集中管理域账户，你安装域控制器必须具备以下条件（A、B ）。

（选择二项）A. 操作系统版本是Windows server 2003 或者Windows Server 2008B. 本地磁盘至少有一个NTFS分区C. 本地磁盘必须全部是NTFS分区D. 有相应的DNS服务器支持9、一位系统管理员在安装Windows Server 2003/2008 的过程中，在安装向导的网络设置页面中选择了“典型设置”，那么当服务器安装完成后将其连接到公司的网络，它的IP地址会（B ）。

思科认证CCNP经典试题

第一部分填空题1、在Cisco体系的IGP协议中，RIP的A-D管理距离是，EIGRP的域内A-D管理距离是，EIGRP的域外A-D管理距离是OSPF的A-D管理距离是。

BGP 从EBGP学习到的路由学到路由的A-D管理距离是; BGP从IBGP学习到的路由学到路由的A-D管理距离是。

2、BGP的默认MED值为；其中MED越越优选被用于选路；BGP从邻居哪里学到的权重为；BGP自己本路由产生的路由（始发路由）产生权重是；BGP 的默认本地优先级为：。

3、BGP的邻居分为和。

4、OSPF在那个区域（有区域0，区域1，区域2）广播多路访问（比如以太网，没有出现外部网络），在区域0可以看到类LSA。

如果想看到2类LSA，必须在网络类型；在NSSA区域可以看到类LSA，在纯粹的NASS区域内是否有5类LSA？（回答是或者否）。

5、HSRP包括哪六种状态？6、OSPF在MA网络链路类型的HELLO报文作用？（3种）7、IPV6的本地链路地址是；本地站点地址是。

（没有/10的写法）8、在选择STP的角色（身份）有哪些？，默认STP的收敛时间为。

配置了portfast后，收敛时间会小于。

9、OSPF发送hello包的组播地址是，EIGRP组播地址是；HSRP发送hello包组播地址是；VRRP发送hello 包的组播地址是。

10、目前以太通道最多可以使用条物理线缆逻辑捆绑成一个以太通道接口？形成以太通道方式有。

11、BGP在EBGP中使用属性避免AS间的环路（确保无环），该属性属于BGP的间的环路（确保无环）必遵属性，其中还有哪两个是BGP公认必遵属性为和。

第二部分选择1、在对基于CEF的多层交换（MLS）进行排错的时候，例如解决无法到达特定的IP目标等问题，首先需要先查看哪两张表去验证错误？（）A、IP路由表和路由表B、IP路由和CEF邻接关系表C、TCAM中的IP CEF FIB和邻接关系表D、IP路由表和ARP表2、EIGRP位一个混合距离矢量协议，位一个混合距离矢量协议，在在METRIC值中使用K1-K5五个K值，默认情况下，使用K值分别是（）A、K1，K2 B K3,K4 C、K1，K5 D、K1，K3 3、OSPF中router-id能标识一台设备的身份，下面说法正确的是（）A、先选举手工配置，然后选择设备loopback地址大的，在选运行了宣告进OSPF最大的物理接口最大的地址。

CCNP-BCMSN 试题解析 1

CCNP:BCMSN 试题解析1CCNP:BCMSN 试题解析1-10 道试题CCNP:BCMSN 试题解析1-10 道试题1.which of the following are true of unicast ip?it can be either tcp or udpit uses a class d addressa server transmitting unicast ip does not need to know the recipient s address2.which of the following are true of remote services?they are centralized and therefore require transport across the backbone to reach the userthey are common to all usersthey are on a different vlan than the userthey are typically connected to the user via a layer 2 switching path3.which of the following is a form of out-of-band management?web-based managementconsole portlattelnet4.spanning tree protocols puts a port in one of 5 states. which of the following is true of the forwarding state?no frames are forwarded. bpdu s are heard.no frames are forwarded. no bpdu s are heard.no frames are forwarded. learning addresses.frames are forwarded. learning addresses.5.what security measures does cisco suggest in the access layer of their recommended campus architecture?route filteringcisco recommends no security measures in the access layerdevice security such as passwordsport security6.telnet access directly to a switch or router command uses what facility?slipserverasync portline7.what mechanism can be used to prevent rogue hsrp routers from asserting high priorities and becoming the active router?md5 authentication may be used in hsrp messagesplain text authentication may be used in hsrp messagesthe command standby (group_number) access-group (access_list) is used to specify the routers that may participate in an hsrp groupeach hsrp router is explicitly configured with the address of the other routers in the group using the command standby (group_number) (group_member_address)8.what command will set duplex mode on a set based switch to half?9.which of the following are true of a lan segmented with layer 2 switches?path determination is based on osi reference model layer2informationpath determination is based on osi reference model layer3 informationpath determination is based on osi reference model layer4 informationit supports multiple high-speed data exchanges10.what will a catalyst switch do with a multicast (in default configuration)?learn the correct destinationsflood the multicast frames out each port within the vlan on which it is receivedquery the igmp designated routerquery the domain to determine multicast group membership1.which of the following are true of unicast ip?it can be either tcp or udpit uses a class d addressa server transmitting unicast ip does not need to know therecipient s address2.which of the following are true of remote services?they are centralized and therefore require transport across the backbone to reach the userthey are common to all usersthey are on a different vlan than the userthey are typically connected to the user via a layer 2 switching path3.which of the following is a form of out-of-band management?web-based managementconsole portlattelnet4.spanning tree protocols puts a port in one of 5 states. which of the following is true of the forwarding state?no frames are forwarded. bpdu s are heard.no frames are forwarded. no bpdu s are heard.no frames are forwarded. learning addresses.frames are forwarded. learning addresses.5.what security measures does cisco suggest in the access layer of their recommended campus architecture?route filteringcisco recommends no security measures in the access layerdevice security such as passwordsport security6.telnet access directly to a switch or router command uses what facility?slipserverasync portline7.what mechanism can be used to prevent rogue hsrp routers from asserting high priorities and becoming the active router?md5 authentication may be used in hsrp messagesplain text authentication may be used in hsrp messagesthe command standby (group_number) access-group (access_list) is used to specify the routers that may participate in an hsrp groupeach hsrp router is explicitly configured with the address of the other routers in the group using the command standby (group_number) (group_member_address)8.what command will set duplex mode on a set based switch to half?9.which of the following are true of a lan segmented with layer 2 switches?path determination is based on osi reference model layer2 informationpath determination is based on osi reference model layer3 informationCCNP:BCMSN 试题解析1-10 道试题相关内容:。

CCNP路由考试题

CCNP路由阶段测试题姓名：__________ 联系方式____________________答题须知1、本试题分为单项选择,多项选择题和实验题，共100分，60分为及格。

2、参加考试的学员请在指定的地点就座，不得携带与答题无关的物品，如有携带，请交给考试管理员保管。

3、参加考试的学员必须遵守考场纪律，凡以任何形式携带资料入场、偷看他人答案、交换试卷、替考或有其他类似行为的取消考试资格和考试成绩。

4、答题完毕或考试时间完毕，请将试卷交给考试管理员，不得以任何形式将试题带出考场。

5、考试的成绩将作为本次培训的成绩存档。

＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Part I 选择题部分：1.以下（）两个机制用于在距离矢量的路由协议中避免环路。

a)水平分割b)路由中毒c)划分区域d)链路状态宣告2.以下路由器A的OSPF route id 是多少（）。

Router A:loopback0 10.1.1.1E0 10.2.2.2E1 10.3.3.3S0 10.4.4.4a) 10．1．1．1b) 10．2．2．2c) 10．3．3．3d) 10．4．4．43.OSPF路由协议在广播型网络上hello时间的缺省值为（）。

a)60秒b)5秒c)10秒d)30秒4.动态路由协议按照其运行的范围（AS内或AS之间），可以分为以下（）两种。

a)距离矢量路由协议和链路状态路由协议b)有类路由协议和无类路由协议c)内部网关路由协议和外部网关路由协议d)中继协议和接入协议5.哪种路由协议支持非等代价负载均衡（）。

a)RIPb)OSPFc)IS-ISd)EIGRPe)BGP6.在OSPF的类型3的LSA信息包含以下（）信息。

a)AS外的路由信息b)一个OSPF区域内的链路状态的汇总信息c)一个OSPF区域内的IP路由的前缀，掩码，metric信息d)从ABR到ASBR的OSPF的度量值得总和7.OSPF中类型4的LSA是由谁生成的（）。

CCNA CCNP CCIE模拟试题

CCNA、CCNP、CCIE模拟试题1.Which of the following types of packets will be allowed entry when a serial interface's inbound access list has beenconfigured to prohibit entry for TCP and UDP ports 21, 23 and 25? (Select three options.)A. SMTPB. STPC. FTPD. TelnetE. HTTPF. POP32.One of the trainees assigned to you want to know which services use TCP. What can you tell him? (Select three options.)A. DHCPB. SMTPC. SNMPD. FTPE. HTTPF. TFTP3.Which of the following network masks would you use to reduce any wastage of IP addresses in point-to- point WAN links on a network that supports VLSM?A. /38B. /30C. /27D. /23E. /184.How would you configure a router to avoid situations such as split horizon issues hampering routing updates on a FrameRelay network?A. Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the subinterface.B. Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.C. Configure one sub-interface to disperse into multiple PVC connections to multiple remote router interfaces.D. Configure as many as possible sub-interfaces on the same subnet.5.With regard to ISDN, which of the following are true? (Choose all that apply.)A. Legacy DDR can use port information to define interesting traffic.B. Legacy DDR can configure multiple dialer configurations on the same interface.C. Legacy DDR can use ACLs to define interesting traffic.D. HDLC or PPP can be used to encapsulate ISDN D channel information.E. The BRI interfaces on ISDN routers with dialer profiles configured cannot belongto multiple dialer pools.F. Dialer profiles cannot use ACLs to define interesting traffic.6.Which of the following is a characteristic of link-state protocols?A. A network topology change generates an update that is broadcast to every router on the network.B. The periodic routing update interval is slightly different in each router on a subnet.C. Each router creates a routing table that only includes its directly connected neighbors.D. Link-state protocols send routing updates only when there is a change in the network topology.7.What is the term associated with synchronizing the routing tables after a topology change occurs?A. floodingB. broadcastingC. convergenceD. summarization8.Which of the following must be determined first by the router in order to route the data?A. the distance metric of the dataB. the source address of the dataC. which routing protocol is used by the dataD. whether the protocol suite of the data is active9.You are a technician at ABC. ABC has the subnet/mask of 172.29.100.0/26 set aside for small remote locations. Each location will have 5 IP devices connected tothe network.Which VLSM mask will provide the minimum number of hosts you require?A. /27B. /28C. /29D. /30E. /3110.You are a trainee technician at ABC. Your instructor shows you the following route summarization entry:192.168.134.0/22 Your instructor wants to know how many class C addresses are contained in this summarization.What would your reply be?A. 1B. 2C. 4D. 8E. 1611.Which command enables an EtherChannel bundle on a Catalyst 2900XL switch?A. Port groupB. Set port channel onC. Port etherchannel enableD. Set etherchannel port enable12.Which two statements about dynamic VLANs are true? (Choose two)A. Each switch port is assigned to a specific VLAN.B. Dynamic VLANs require a VLAN Membership Policy Server.C. Devices are in the same VLAN regardless of which port they attach to.D. Dynamic VLAN assignment are made through the command interface.13.Which statement is correct about 802.1Q trunking? (Select all that apply)A. Both switches must be in the same VTP domain.B. The encapsulation type of both ends of the trunk does not have to match.C. The native VLAN on both ends of the trunk must be VLAN 1.D. 802.1Q trunking can only be configured on a Layer 2 port.E. In 802.1Q trunking, all VLAN packets are tagged on the trunk link, except the native VLAN.14.You need to take advantage of FastEthernet ports. Which two actions avoid configuration problems that cause the port to be automatically disabled? (Choose two)A. Allow some ports in a channel to be disabled.B. Configure the ports in a channel as dynamic VLAN ports.C. Configure all ports in a channel to operate at the same speed and duplex mode.D. Assign all ports in a channel to the same VLAN or configure them as trunk ports.15.What is the cause of jitter?A. Variable queue delaysB. Packet dropsC. Transmitting too many small packetsD. Compression16.Regarding DHCP, DHCP relay and DHCP server are mutually exclusive.A. None of the choices.B. TrueC. False only for certain IOS versionD. FalseE. False only for IOS version below V1017.A LAPD Address field can be 1 or 2 bytes long.A. TrueB. FalseC. True only in the USD. True only in AsiaE. True only in Europe18.Which of the following are valid functions of the lock DTE modem attribute (Choose all that apply)?A. Disable UART.B. Enable UART.C. Locks the data speed between the computer motherboard and the RS232 port.D. Locks the data speed between the modem and the DTE device.19.Which of the following are not the valid types of ATM addresses (Choose all that apply)?A. DCCB. GCTC. BSPD. ICDE. NSAPF. AED20.Which of the following are NOT the valid types of X.25 PLP packetfields(Choose all that apply)?A. User DataB. LCIC. GFID. PTIE. None of the choices.21.You are a technician at . Your newly appointed ABC trainee wants to know what the similarities between Topology Diagrams and Network Configuration Tables are.What would your reply be? (Choose all that apply.)A. Both share few components.B. Both share many of the same components.C. Both define physical memory components.D. Both are used for troubleshooting.E. Both use lines and symbols to represent network components.22.You are a technician at . Your newly appointed ABC trainee wants to know what the default action for the output of debug and system error messages is.What would your reply be?A. Output goes to the remote console if logging is off.B. Output is sent to the console terminal.C. Error logging automatically invokes debug output to the designated TFTP server.D. Output configuration requires a TFTP server to write filesE. Output is written to a Syslog server.23.You are the network administrator at . ABC has a switched network.You want to control the designation of the spanning-tree root bridge in the ABC network. What should you do?A. By enabling uplink-fast on the ports of the desired switch.B. By lowering the bridge priority on the desired switch.C. By setting a lower MAC address on the designated switch.D. By raising the bridge ID on one switch.24.You are a technician at ABC. You receive a report from several ABC users who complain that they get slow responses when sending and receiving email, especially when browsing the Internet. You investigate the complaint by checking the output of a ping command issued from her computer and find that it indicates intermitted success and failures messages, when attempting to contact the email server. A tracert to the corporate Internet gateway router shows high latency and occasional time out messages.What would be the most effective troubleshooting approach if you are to determine the cause of the slow response time?A. Bottom-up approachB. Random access approachC. Divide and conquer approachD. Top-down approachE. Top-down rule-out approach25.You are a technician at . Your newly appointed ABC trainee wants to know what features make OSPF more suitable than RP in large network installations.What would your reply be? (Choose all that apply.)A. Diffusing Update AlgorithmB. No hop count limitationC. Higher routing update overheadD. Faster convergenceE. Lower routing update overhead26.You are the network administrator at ABC. You are troubleshooting a network problem. You want to trace the route to a Unix workstation that you want to reach through the Internet. However, Traceroute does not work.Currently, there is an inbound access-list applied to the serial interface on Router 1. An entry in the access-list states "access-list 101 permit tcp any any". What access-list entry may you need to be added to the access-list in order to get traceroute to work?A. access-list 101 permit udp any anyB. access-list 101 permit icmp any any time-exceeded access-list 101 permit icmp any any port-unreachableC. access-list 101 permit icmp any any time-exceeded access-list 101 permit icmp any any net-unreachableD. access-list 101 permit icmp any any echo access-list 101 permit icmp any any net-unreachableE. access-list 101 permit udp any any access-list 101 permit icmp any any protocol-unreachable27.What does the BGP backdoor command do?A. It changes the distance of an iBGP route to 20.B. It changes the distance of an eBGP route to 200.C. It changes the distance of an IGP route to 20.D. It does not effect any changes in distance of the route.E. It changes the distance of an IGRP route to 200.28.Which of the following DNS resource records is not valid?A. NSB. PTRC. MXD. FQDNE. A29.Which of the following features is provided by RIP v2 that were previously not possible with RIP v1? (Choose all that apply.)A. Classless routing and split-horizon.B. Poison reverse and updating to multicast addresses.C. Poison reverse and classless routing.D. Classless routing and updating to multicast addresses.E. Route tag and classless routing.30.Which of the following statements is valid when taking Custom Queuing into account?A. Custom queuing has the ability to restrict a particular type of traffic to agiven bandwidth not matter what is load is like on that link.B. Custom queuing looks at groups of packets from the similar source-destination pairs.C. Custom queuing will not proceed to a next queue unless the current queue is empty.D. Custom queuing can prevent one type of traffic from dominating a busy link.。

ccnp题库

FCAPSFault Management ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ FConfiguration Management ‐‐‐‐‐‐‐ CAccounting Management ‐‐‐‐‐‐‐‐‐‐ AQuestion 2FCAPS–model defined by the International Organization for Standardization (ISO).ITIL–framework for it profTNM–network management model is the Telecommunications Standardization Sector’s (ITU-T) Cisco lifecycle–model is often referred to as the PPDIOO modelQuestion 3EEM .IP SLA‐‐‐‐‐‐‐‐‐‐‐‐‐‐ CLISDM .CNA‐‐‐‐‐‐‐‐‐‐‐‐‐‐ GUIFTP ,TFTP,SCP‐‐‐‐‐‐‐‐‐‐‐‐‐‐ BackupCLI（command-line interface，命令行界面）GUI（Graphical User Interface，图形用户界面）SDM（Security Device Manager）是Cisco公司提供的全新图形化路由器管理工具；EEM（Embeded Event Manager）是Cisco IOS的嵌入式事件管理器；1)FCAPS (network maintenance model defined by the ISO)F – FaultC – ConfigA – Accounting2) What happens when running the command: logging console warnings.1-2- warning, notification, error, debugging…3- just warning logging4- warning, critical, alert, emergenciesAnswer:warning, critical, alert, emergencies(Notice this line doesn’t have the word “error”)3) what will be alternative for:ip ftp username xxxxxxip ftp password yyyyyyAnswer:ip http client username xxxxxxip http client password yyyyyy4) Network Maintenance: Choose from the list 2 network maintaining types.Answer:Structured and Interrupt Driven5) access-list 199 permit tcp host 10.1.1.1 host 172.16.1.1access-list 199 permit tcp host 172.16.1.1 host 10.1.1.1debug ip packet 199What would be the output shown on the console?Only communication between host 10.1.1.1 and host 172.16.1.16) what will happen if u configure two router as NTP server (something like that )Answer:The router will choose the best reliable server and will synchronise with it.7) The interface is up and protocol is up. When do u get these messages.%LINEPROTO‐5‐UPDOWN: Line protocol on Interface FastEthernet0/14, changed state to up %LINKDOWN‐3‐SERIAL:Answer:Emergency 0 Alerts 1 Critical 2 Errors 3 Warning4Notification 5 Informational 6 Debugging 78)Serial line is up,protocol is also up?But cdp neighbor not working?Answer:Data link layer.T1:ospf authentication1.Client is unable to ping R1’s serial interface from the client.Problem was disable authentification on R1, check where authentication is not given under router ospf of R1. (use ipv4 Layer 3)conf R1 was:interface Serial0/0.12 point-to-pointip address 10.1.1.1 255.255.255.252ip nat insideip ospf message-digest-key 1 md5 TSHOOTrouter ospf 1log-adjacency-changesnetwork 10.1.1.0 0.0.0.3 area 12default-information originate alwaysconf R2 was:interface Serial0/0.12 point-to-pointip address 10.1.1.2 255.255.255.252ip ospf authentication message-digestip ospf message-digest-key 1 md5 TSHOOTAnswer: on R1 need comand in router modearea 12 authentication message-digestAns1) R1Ans2) ipv4 OSPFAns3) ip ospf authentication message-digest command must be given on s0/0/0T2:HSRP TRACKHSRP: DSW1 does not become active.conf on dw1:track 1 ip route 10.1.21.128 255.255.0.0 metric thresholdthreshold metric up 1 down 2track 10 ip route 10.2.21.128 255.255.255.0 metric thresholdthreshold metric up 63 down 64interface Vlan10ip address 10.2.1.1 255.255.255.0standby 10 ip 10.2.1.254standby 10 priority 200standby 10 preemptstandby 10 track 1 decrement 60Answer: (use IPv4 Layer 3 Topology)On dsw 1 interface vlan 10 mode run:no standby 10 track 1 decrement 60standby 10 track 10 decrement 60(ip for track command not exact for real exam)Ans1) DSW1Ans2) HSRPAns3) delete the command with track 1 and enter the command with track 10.T3:BGP NeighborProblem: R1 is not able to ping 209.65.200.226.configuration on R1:router bgp 65001no synchronizationbgp log-neighbor-changesnetwork 209.65.200.224 mask 255.255.255.252neighbor 209.56.200.226 remote-as 65002no auto-summarycheck bgp neighborship. **** show ip bgp sum****The neighbor’s address in the neighbor command is wrong under router BGP. (use ipv4 Layer 3) Answer: need change on router mode on R1 neighbor 209.65.200.226Ans1) R1Ans2) BGPAns3) delete the wrong neighbor statement and enter the correct neighbor address in the neighbor command (change 209.56.200.226 to 209.65.200.226)T4:NAT ACLClient is not able to ping the web server, but the routers can ping the server. NA T problem. (use ipv4 Layer 3)problem on R1 Nat aclAnswer:add to acl 1 permit ip 10.2.1.0 0.0.0.255Ans1) R1Ans2) IP NA TAns3) under NA T access list, enter the command permit 10.2.0.0 0.0.255.255T5:R1 ACLClient is not able to ping the server. Except for R1, no one else can ping the server. (use ipv4 Layer 3)Problem:on R1 acl blocking ipacl something like this:deny 10.2.1.0deny 10.1.4.0deny 10.1.1.0Answer: add permit 209.65.200.224 0.0.0.3command to R1′s ACLAns1) R1Ans2) IPv4 Layer3 SecurityAns3) Add permit 209.65.200.224 0.0.0.3 to R1′s ACLT6: VLAN filterClient 1 is not able to ping the server. Unable to ping DSW1(Use L2 Diagram).Vlan Access map is applied on DSW1 blocking the ip address of client 10.2.1.3Ans1) DSW1Ans2) Vlan access mapAns3)No vlan filter 10T7:Port SecurityClient 1 is not able to ping the serverSituation: Unable to ping DSW1(User layer 2).On ASW1 portsecurity mac 0000.0000.0001, interface in err-disable stateAnswer:on asw1 delele portsecurity & do on interfaces shutdown, no shutdownAns1)ASW1Ans2)Port securityAns3)On fa1/0/1 and fa1/0/2 do disable port security and do shut, no shut.T8:SWItchport vlan 10Client 1 is not able to ping the serverSituation: Unable to ping DSW1 & in port channel configuratioin of ASW1 vlan 10 is not allowed. (Use L2 Diagram)On ASW1, on interfaces fa0/1, fa0/2 switchport access vlan 1Answer: on ASW1 change switchport access vlan 1 to switchport access vlan 10Ans1)ASW1Ans2)Access vlanAns3)give command: interface range fa1/0/1-/2 switchport access vlan 10T9:Switchport trunk.cant ping to web server 209.65.200.241Situation: Unable to ping DSW1 & in port channel configuratioin of ASW1 vlan 10 is not allowed. (Use L2 Diagram)question was about EtherChanelclient can’t obtain ip address(169.x.x.x)on ASW1 trunks allow vlan 20,200Answ: on port channel 13, 23 disables all vlans and give switchport trunk allowed vlan 10,200 Ans1)ASW1Ans2)Switch to switch connectivityAns3)int range portchannel13,portchannel23switchport trunk allowed vlan noneswitchport trunl allowed vlan 10,200T10:Eigrp asClient 1 is not able to ping the serverSituation: Unable to ping R4 fast ethernet port from dsw1.Check ip eigrp neighbors from DSW1 you will not see R4 as neighbor.(use ipv4 Layer 3)On DSW1 & DWS2 the EIGRP AS number is 10 (router eigrp 10) but on R4 it is 1 (router eigrp 1)Answ: change router AS on R4 from 1 to 10Ans1) R4Ans2) IP4 EIGRPAns3) Change eigrp AS number from 1 to 10T11:eitrp to ospfClient 1 is not able to ping the serverSituation: Unable to ping serial interface of R4 from the clients.On R4 in router eigrp:redistribute ospf 1 route-map EIGRP_to_OSPFBUT route-map was named:route-map EIGRP->OSPFAnswer:change in router eigrp router-map nameAns1) R4Ans2) route redistributionAns3) change the name of the route-map under the router EIGRP or router OSPF process from ‘to’to ‘->’.T12:IPV6 ospfIPV6 loopback of R2 cannot be pinged from DSW1’s loopback.Situation: ipv6 ospf was not enabled on R2’s serial interface connecting to R3. (use ipv6 Layer 3) Answer:interface configuration mode:ipv6 ospf 6 area 12Ans1) R2Ans2) IPV6 ospfAns3) on the serial interface of R2, enter the command ipv6 ospf 6 area 0 (make sure to check the IPV6 topology before choose Answer 3 because the options look similar)Device Error DescriptionASW11. Access port not in VLAN 102. Port Channel not allowing VLAN 103. Port SecurityDSW1 1. HSRP track 102. VLAN filterR1 1. Wrong IP of BGP neighbor2. NAT – Access list3. Redistribute access-listR2 1. IPv6: enable OSPF2. OSPF AuthenticationR4 1. EIGRP – wrong AS2. Redistribute (“to” & -> )1、access vlan的vlan 给错了2、port-security导致端口被errdisable3、V ACL4、EIGRP的AS号配置错误5、OSPF的authentication有问题，6、OSPF到EIGRP的redistribut的route-map名字写过了7、NA T的inside pool没有包含client的网段8、BGP的neighbor ip写错了，209.65.200.226写成了209.56.200.2269、到ISP的出接口的ACL少了一条permit10、其中一台接入交换机的Trunk allowed的VLAN少了VLAN 1011、HSRP的track语句指定有问题12、IPV6,R2的其中一个接口没有enable IPV6 OSPF。

原创CCNP教学和案例分解测试题

原创CCNP教学和案例分解测试题原创CCNP教学和案例分解测试题1.【单选题】5分| TCP是一个面向连接的协议，它提供连接的功能是__的。

A 全双工B 半双工C 单工D 单方向2.【单选题】5分| TCP采用___技术来实现可靠数据流的传送。

A 超时重传B 肯定确认（捎带一个分组的序号）C 超时重传和肯定确认(捎带一个分组的序号)D 丢失重传和重复确认3.【单选题】5分| 路由信息协议RIP是内部网关协议IGP中使用得最广泛的一种基于___的协议。

A 链路状态路由算法B 距离矢量路由算法C 集中式路由算法D 固定路由算法4.【单选题】5分| 基于TCP/IP的互联网服务中，IP协议提供主机之间的___分组传输服务。

A 可靠的面向连接的B 不可靠的面向连接的C 可靠的无连接的D 不可靠的无连接的5.【多选题】5分| 下面哪些是距离向量路由协议A IGRPB RTMPC IS-ISD OSPF6.【单选题】5分| 按先后顺序排列下面的OSPF状态：A.ExStartB.FullC.InitD.Two-wayA CDABB CDBAC BACDD ABDC7.【多选题】5分| 下面哪些协议缺省使用部分更新？A RIPV2B IGRPC EIGRPD OSPF8.【单选题】5分| 下面哪一个不是体系化路由的优点A SPF计算频率被降低B 更小的路由表C LSA开销被减小D 链路状态数据库条目被增加9.【多选题】5分| 缺省的，与下面哪些路由相比，路由器更优选静态路由A 直接连接的路由B BGP路由C EIGRP路由D OSPF路由10.【单选题】5分| 下面哪句话对虚拟链路来说是不正确的？A 他们必须在拥有相同区域的两台路由器之间被建立B 连接虚拟链路的两台路由器之一必须还连接到区域0C 他们被用于两台主干区域路由器D 他们被用链路伙伴的路由器ID来配置11.【单选题】5分| 下面哪些是EIGRP的特点A 它是专有协议B 它使用Dijsktra算法来发现无环路路由C 它使用DUAL来发现无环路路由D 它不支持VLSM12.【单选题】5分| EIGRP使用下面哪个多播地址来发送路由信息？A 224.0.0.5B 224.0.0.6C 224.0.0.9D 224.0.0.1013.【单选题】5分| 在OSI的7层模型中，主要功能是提供端到端的透明数据运输服务、差错控制和流量控制的层次为（）A 物理层B 数据链路层C 运输层D 网络层14.【单选题】5分| 下面哪个IP多播地址被用于将数据流发送给所有OSPF路由器A 224.0.0.1B 224.0.0.5C 224.0.0.6D 224.0.0.915.【单选题】5分| 下面那种路由器类型可以输入外部路由信息？A 内部路由器B 主干路由器C ABRD ASBR16.【多选题】5分| 下面哪些条语句对于EIGRP路由归纳来说是正确的？A EIGRP不归纳路由B EIGRP在缺省情况下自动进行路由归纳C EIGRP不允许为路由归纳使用CIDR前缀D EIGRP允许管理员为归纳定义CIDR前缀17.【单选题】5分| 下面那种区域类型可以接收和扩散类型5LSA?A 主干区域B NSSAC 末节区域D 完全末节区域18.【单选题】5分| 哪个特性允许EIGRP的运行独立于任何被路由选择协议A DUALB CIDRC PDMD FSM19.【单选题】5分| 下面哪条语句对于一条EIGRP路由来说正确的？A 一条路由只可以有一个后继路由器和一个可行后继路由器B 一条路由可以有多个后继路由但只有一个可行后继路由器C 一条路由只可以有一个后继路由器但可以有多个可行后继路由器D 一条路由可以有多个后继路由器和多个可行后继路由器20.【单选题】5分| 如果一条后继路由失去了，且找不到可行后继路由，这时一台EIGRP路由器将会做什么？A 关机B 将该路由置为消极状态C 将该路由置为活跃状态D 发送FSM探索包来发现新的路由。

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唐钢集团CCNP课程培训测试题姓名：成绩：一、选择题：（单选，共20题，每题4分）1．如下图所示，拓扑表中，数字3011840 和3128695 代表什么？-------------------------（）A．应用于该路由器EIGRP 路由的路由度量B．路由信息来源的可信度C．到目的网络的跳数和带宽的复合度量D．由EIGRP 邻居通告的网络总度量2．请参见图示。

该公司在编号为10 的自治系统中使用EIGRP。

路由器A 和路由器B 所连接网络上的主机能够相互ping 通。

但是，192.168.3.0 网络上的用户无法访问192.168.1.32 网络上的用户。

此问题最可能的原因是什么？---------------------------------------------------（）A启用了无类IP，从而导致数据包被丢弃。

B路由器C 上未使用network 192.168.1.32 命令。

C没有将路由器配置在相同的EIGRP 路由域中。

D网络自动总结导致各子网的路由被丢弃。

3．请参见图示。

网络192.168.0.0/28 断开。

Router2 会立即向Router1 和Router3 发送什么类型的数据包？---------------------------------------------------------------------------------------------------（）A查询网络192.168.0.0/28 的查询数据包B到224.0.0.9 的确认数据包C发送到255.255.255.255 的更新数据包D包含R2 新路由表的数据包发送到192.168.1.1 和192.168.2.1 的单播更新数据包4．请参见图示。

所有接口都已配置为如图所示的带宽。

假设所有路由器都是使用默认的EIGRP 配置作为路由协议，那么从172.16.1.0/16 网络发往192.168.200.0/24 网络的数据包会采用哪一条路径？--------------------------------------------------------------------------------------------------------------------（）A. A-B-EB. A-C-EC. A-D-ED.数据包会在A、B、E 和A、C、E 路径之间实施负载均衡。

E.数据包会在A、B、E 和A、D、E 路径之间施负载均衡。

F.数据包会在A、C、E 和A、D、E 路径之间实施负载均衡5.请参见图示。

拓扑条目开头处的P表示什么含义？------------------------------( )A、该路由处于稳定状态B、该路由是首选路由C、DUAL 正在搜索到达该目的地的更佳路由D、送出接口处于被动模式且EIGRP 通告被阻止6．下面关于OSPF协议中AREA（区域）的概念，下列说法中错误的是?---------------（）A．每个AREA中由自己的LSDB，不同AREA的LSDB是不相同的B．在OSPF中，建议每个区域中路由器的数量为50到100个C．每个区域都用一个32位的整数AREA ID来标识，且必须保证AREA ID在自治系统内唯一D．区域的标识AREA ID必须向相关的国际组织申请，不可自行指定7．运行OSPF协议的网络中，对于LSA与LADB，下列描述正确的是?-------------（）A．不同区域内的各台路由器得到的链路状态数据库LADB是相同的B．同一区域内的各台路由器得到的链路状态数据库LSDB是不同的C．同一区域内的各台路由器得到的路由表是不同的D．同一区域内各台路由器得到的路由表是相同的8．查看OSPF路由器的邻居列表，应使用下列哪个命令?------------------------（）A．show ip ospf neighborB．show ip ospf interfaceC．show ip ospfD．show ip route9．OSPF路由协议在多路访问的网络中，需要选择DR和BDR，那么其在那种状态进行了DR和BDR的选举？-----------------------------------------------------------------------（）A．Init状态B．2way状态C．Exstart状态D．Exchange状态10．在OSPF路由协议的网络中，OSPF定义了多种网络类型，下面那种网络类型需要选举DR和BDR？-------------------------------------------------------------------------------------------------------------------（）A．Point-to-pointB．Nonbroadcast（NBMA）C．Point-to-multipointD．Point-to-multipoint nonbroadcast11.在启用了VOICE数据应用的企业中，下面哪种延时可以用QOS技术的到控制？---------------------------------------------------------------------------------------------------------------------------（）A.传播延时B.队列延时C.处理延时D.串行延时12．在VOIP中，需要通过DSP实现模拟信号到数字信号的转换，我们要实现对模拟信号的采样，如下图；根据Nyquist理论我们采样的频率是最大频率的2倍就基本可以接受，我们采样的频率是多少呢？------------------------------------------------------------------------------------------------------------------------（）A. 2000 samples per secondB. 4000 samples per secondC. 8000 samples per secondD. 12,000 samples per second13.企业网络拓扑如下图：你是ABC公司的网络管理员，你的公司老板希望企业的IP电话可以端到端的保证带宽和延时，你选择下面哪种QOS 模型？-----------------------------------------------------------------------------------( )A. differentiated services (DiffServ)B. best-effort deliveryC. shaping and policingD. Integrated Services (IntServ)14.企业IP电话连接如下图：路由器Certkiller 1 和路由器Certkiller 2被设置为VoIP 网关，下面哪一个关于网关Certkiller 2配置正确的是？-----------------------------------------------------------------------------------------------------（）A.Certkiller 2(config-if)# dial-peer voice 1 potsCertkiller 2(config-dial-peer)# destination-pattern 1111Certkiller 2(config-dial-peer)# port 1/0/0B.Certkiller 2(config)# dial-peer voice 1 voipCertkiller 2(config-dial-peer)# destination-pattern 1111Certkiller 2(config-dial-peer)# port 1/0/0C.Certkiller 2(config)# dial-peer voice 1 voipCertkiller 2(config-dial-peer)# destination-pattern 2222Certkiller 2(config-dial-peer)# port 1/0/0D.Certkiller 2(config# dial-peer voice 1 voipCertkiller 2(config-dial-peer)# destination-pattern 1111Certkiller 2(config-dial-peer)# session target ipv4:10.1.1.115.802.1P允许QOS在MAC层使用，IEEE的802.1Q用几个bit表示优先级呢？---------------------------------------------------------------------------------------------------------------------（）A.2 bitB.3 bitC.8 bitD.32bit16.你是企业的网络管理员，你想在你的企业里实现QOS以确保HTTP的应用数据流保证最小带宽为1M，你用下面哪种队列实现？------------------------------------------------------------------------------（）A. Weighted Fair Queuing (WFQ)B. Priority Queuing (PQ)C. Class-based WFQ (CBWFQ)D. Low Latency Queuing (LLQ)17．你是企业的网络管理员，你想在你的企业里实现QOS以确保VOIP的数据流保证带宽为256K，低延时，你用下面哪种队列实现？-----------------------------------------------------------------------------（）A. Weighted Fair Queuing (WFQ)B. Priority Queuing (PQ)C. Class-based WFQ (CBWFQ)D. Low Latency Queuing (LLQ)18．你想在你的网络中实现congestion avoidance，下面哪种机制可以实现有选择的丢弃数据包？------------------------------------------------------------------------------------------------------------------------（）A. Weighted Random Early Detection (WRED)B. Low Latency Queuing (LLQ)C. Class-based Weighted Fair Queuing (CBWFQ)D. Modified Deficit Round Robin (MDRR)19．路由器的部分配置如下：Class-map match-any GOLDmatch ip precedence efclass-map match-any SILVERMatch ip dscp af31Policy-map BranchClass GOLDPriority percent 20Class SILVERbandwidth percent 15random-detect dscp-basedinterface Serial0/1description PPP link to BRANCHbandwidth 1536ip address 10.200.40.1 255.255.255.252encapsulation ppp路由器配置VOICE数据流到优先级队列中，但发现并没有起到作用，可能什么原因？-------------------------------------------------------------------------------------------------------------------------（）A,WRED在VOICE队列中没有配置B. policy map 需要应用到接口上C.VOICE 应该映射到不同的DSCP 值.D.应该配置CQ,LLQ不能用的VOICE数据流中20．你的企业网络中实现了WLAN,为了确保WLAN中的VOICE数据流的通话质量，决定实施QOS,在WMM中应该把VOICE数据流设置在下面哪个优先级别中？----------------------------------------（）A.PlatinumB.GoldC.SilverD.Bronze二、简答题：（每题10分）1. 试简述IPV6的优点2,请比较CBWFQ队列和LLQ队列？(请从带宽的保证，数据处理，应用环境等方面对比)答案一、选择题1 2 3 4 5 6 7 8 9 10D D A A A D C A B B11 12 13 14 15 16 17 18 19 20B C D D B C D A B A二、简答题1．试简述IPV6的优点●更大的地址空间●简化了分组报头，可以提高处理效率●内置的IPV6移动性●内置了IPSec提供了多种从IPV4过渡到IPV6的方式2,请比较CBWFQ队列和LLQ队列？答案要点：相同点：都可以手工实现数据的分类，并且保证数据带宽。