化辉看进来!!!错题汇总!!!_CCNA学习资料_思科认证 - 雏鹰部落

小熊发表于 2004-3-4 14:25:43

化辉看进来!!!错题汇总!!!

Section A QUESTION NO: 1 You work as network administrator at TestKing. Your trainee is configuring a router with both physical and logical interfaces. He asks you what factor determines the OSPF router ID. What should you tell him? A. The lowest network number of any interface. B. The lowest IP address of any logical interface. C. The lowest IP address of any physical interface. D. The highest network number of any interface. E. The highest IP address of any logical interface. F. The highest IP address of any physical interface. Answer: F 正确: E QUESTION NO: 11 Exhibit: What function does the Frame Relay DLCI provide with respect to TestKingA? A. Defines the signaling standard between TestKingA and the frame switch. B. Identifies the circuit between TestKingA and the frame switch. C. Identifies the circuit between TestKingB and the frame switch. D. Identifies the encapsulation used between TestKingA and TestKingB. E. Defines the signaling standard between TestKingB and the frame switch, Answer: C 正确: B QUESTION NO: 20 As a network technician at TestKing you are required to configure an ISDN BRI interface. Specifically, you must configure dial-on-demand routing (DDR). Which sequence of parameters should you use to achieve this goal? 正确: Dialer-Map-Protocol-Next hoop address-Dialer string QUESTION NO: 37? You are working as a network technician at TestKing. You are required to troubleshooting the WAN link between the TestKing main office at Boston and the TestKing remote office at Rio De Janeiro. A Cisco router that was providing Frame Relay connectivity at the Rio de Janeiro site as replaced with a different vendor’s frame relay router. Connectivity is now down between the Boston and Rio De Janeiro site. What is the most likely cause of the problem? A. Mismatched LMI types. B. Incorrect DLCI. C. Mismatched encapsulation types. D. Incorrect IP address mapping. Answer: A 觉得A和C都对，待议！ QUESTION NO: 46 配置e0跟s1位置正確.....但沒配到router rip, network 192.168.101.0 再copy run-start QUESTION NO: 48 Your TestKing trainee Jose are interested in ACLs (access control lists). He asks you want they can be used for. What should you tell him? (Choose three) A. Protect hosts from viruses. B. Classify network traffic. C. Provide high network availability. D. Identify interesting traffic for DDR. E. IP route filtering. F. Monitor the number of bytes and packets. Answer: C, D, E 正确: BDE QUESTION NO: 69 Which of the following options can be negotiated using LCP during the PPP link establishment? (Choose three) A. callback B. IPCP C. CHAP D. multilink E. TCP F. Q.931 Answer: B C D 正确: ACD QUESTION NO: 79 Your boss Dr King studies the network diagram shown in the exhibit. She asks you which function the Frame Relay DLCI provides with respect to TestKing1. What should you tell her? A. Defines the signaling standard between TestKing1 and the frame switch. B. Identifies the circuit between TestKing1 and the frame switch. C. Identifies the circuit between TestKing2 and the frame switch. D. Identifies the encapsulation used between TestKing1 and TestKing2. E. Defines the signaling standard between TestKing2 and the frame switch. Answer: C 正确: B QUESTION NO: 84 Which statements is true regarding the command sequence shown below? (Choose three) RouterA(config)# interface loopback 0 RouterA(config-if)# ip address 192.168.31.33 255.255.255.255 A. It creates a virtual, software only, interface. B. It uses a wildcard mask of 255.255.255.255. C. It ensures that an interface is always active for OSPF processes. D. It provides a way to test the convergence of OSPF routing updates. E. The mask of 255.255.255.255 is called a host mask. F. These commands can only be issued to configure serial interfaces. Answer: A, B, D 正确: ACE QUESTION NO: 102 The junior TestKing trainee Ellen asks you to describe what is specific for a global command. What should you tell her? A. A command that is available in every release of IOS, regardless of the version or deployment status. B. A command that can be entered in any configuration mode. C. A command that is universal in application that supports all protocols. D. A command that is implemented in all foreign and domestic IOS versions. E. A command that is set once and affects the entire router. Answer: A 正确: E QUESTION NO: 110 What command will configure an interface on a Catalyst 2900 series switch to carry traffic from all VLANs to another directly connected switch? (Choose two) A. Switch(config-if)# vlan all B. Switch(config-if)# switchport access clan 30 C. Switch(config-if)# switchport access vlan all D. Switch(config-if)# switchport mode trunk E. Switch(config-if)# switchport trunk encapsulation dot1q Answer: C, D 正确: DE QUESTION NO: 115 OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? (Choose three) A. Each OSPF area requires a loopback interface to be configured B. Areas may be assigned any number from 0 to 65535 C. Area 0 is called the backbone area D. Hierarchical OSPF networks do not require multiple areas E. Multiple OSPF areas must connect to area 0 F. Single area OSPF networks must be configured in area 1 Answer: B, C, E 正确: CDE QUESTION NO: 121 Popcorn# show ip protocols Routing Protocol is “rip” Sending updates every 30 seconds, next due in 13 seconds Invalid after 180 seconds, hold down 180, flushed after 240 Outgoing update filter list for all interfaces is Incoming update filter list for all interfaces is Redistribution: rip Default version control: send version 1, receive any version Interface Send Recv Triggered RIP Key-chain Ethernet0 1 12 Ethernet1 1 12 Serial 1 12 Routing for Networks: 222.8.4.0 10.1.1.0 Routing Information Sources: Gateway Distance Last Update 222.8.4.1 120 00:00:04 An administrator who is consoled into the Peanut router is able to ping the Serial0 and Ethernet0 ports of the Popcorn router but unable to ping its Ethernet1 interface. Use the graphic and command output to identify possible causes for this problem. (Choose two) A. The Serial interface of the Popcorn router is shutdown. B. The Ethernet1 interface of the Popcorn router is shutdown. C. The Popcorn router did not include network 192.168.12.0 in its routing configuration. D. The Popcorn router is not forwarding RIP updates. E. The clockrate is missing from the configuration of one of the routers. Answer: B, C 正确: CD QUESTION NO: 131 Which characteristics describe the routing protocol EIGRP? (Choose two) A. Has a maximum hop count of 255 B. Uses a 32-bit metric C. Can differentiate between internal and external routes D. Supports a single routed protocol E. Can maintain only a single routing table F. Required all networks within an AS to use the same subnet mask Answer: B, C 正确: AC QUESTION NO: 137 未配rip QUESTION NO: 145 RtrB#show interface serial0/0 Serial0/0 is up, line protocol is up Hardware is PowerQUICC Serial Internet address is 10.0.15.2/21 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation PPP, loopback not set Keepalive set (10 sec) LCP Open Closed: IPXCP Listen: CCP Open: IPCP, CDPCP Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters 00:52:02 Input queue: 0/75/0/0 (size/max/drops/flushes): total output drops: 0 Queuing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) After reviewing the command output, which of the following are operational on the serial link? (Choose two) A. IPX B. IP C. Compression D. CDP E. Multilink Answer: C, E 正确: BD QUESTION NO: 167 A. 01100100.00001010.11101011.00100111 B. 10101100.00010010.10011110.00001111 C. 11000000.10100111.10110010.01000101 Which of the following statements are true regarding the IP addresses shown in the graphic? (Choose three) A. Address A is a public Class A address. B. Address A is a private Class A address. C. Address B is a public Class B address. D. Address B is a private Class B address. E. Address C is a public Class C address. F. Address C is a private Class C address. Answer: D, E 正确: ADE QUESTION NO: 169 应该为network 192.168.100.48 0.0.0.3 area 0 QUESTION NO: 170 You work as network technician at TestKing and you are now required to apply an access list on a virtual terminal line of a router. Which command should you use? A. RouterTK(config-line)# access-class 10 in B. RouterTK(config-if)# ip access-class 23 out C. RouterTK(config-line)# access-group 15 out D. RouterTK(config-if)# ip access-group 110in E. RouterTK(config-line)# access-list 150 in F. RouterTK(config-if)# ip access-list 128 out Answer: B 正确: A QUESTION NO: 173 AC QUESTION NO: 175 TestKingA is operating multiple routing protocols as shown in the graphic. Assuming all connected networks are advertised, no redistribution of routes, and all other parameters set to default, which path will TestKingA select to reach TestKingD? A. It will take the route that includes TestKingB. B. It will take the route that includes TestKingC. C. It will load balance over both paths. D. It will use the route with the highest metric. Answer: A 正确: B Section B QUESTION NO: 60 同QUESTION 102，选E QUESTION NO: 67 rip多宣告出三个网段 network 192.168.55.0 network 192.168.149.0 network 192.168.199.0

cwav 发表于 2004-3-4 14:27:59

晕啊～这么多

小熊发表于 2004-3-4 14:33:30

待会儿再仔细看看-0-

cwav 发表于 2004-3-4 14:40:45

如果有不懂的，可以抓几题出来问问：）

简单爱 发表于 2004-3-4 15:16:07

谢谢小熊，我看了，现在弄得都有点晕了，要好好研究一下了。

chinamoon 发表于 2004-3-4 19:34:35

好好看看吧，有问题提。

简单爱 发表于 2004-3-5 09:43:58

QUESTION NO: 48 Your TestKing trainee Jose are interested in ACLs (access control lists). He asks you want they can be used for. What should you tell him? (Choose three) A. Protect hosts from viruses. B. Classify network traffic. C. Provide high network availability. D. Identify interesting traffic for DDR. E. IP route filtering. F. Monitor the number of bytes and packets. Answer: C, D, E 正确: BDE 这个有点不懂？？我觉得还是原来的答案更好啊。

简单爱 发表于 2004-3-5 09:47:03

QUESTION NO: 84 Which statements is true regarding the command sequence shown below? (Choose three) RouterA(config)# interface loopback 0 RouterA(config-if)# ip address 192.168.31.33 255.255.255.255 A. It creates a virtual, software only, interface. B. It uses a wildcard mask of 255.255.255.255. C. It ensures that an interface is always active for OSPF processes. D. It provides a way to test the convergence of OSPF routing updates. E. The mask of 255.255.255.255 is called a host mask. F. These commands can only be issued to configure serial interfaces. Answer: A, B, D 正确: ACE 老大，这个的E有点不懂？？

简单爱 发表于 2004-3-5 10:03:42

QUESTION NO: 121 Popcorn# show ip protocols Routing Protocol is “rip” Sending updates every 30 seconds, next due in 13 seconds Invalid after 180 seconds, hold down 180, flushed after 240 Outgoing update filter list for all interfaces is Incoming update filter list for all interfaces is Redistribution: rip Default version control: send version 1, receive any version Interface Send Recv Triggered RIP Key-chain Ethernet0 1 12 Ethernet1 1 12 Serial 1 12 Routing for Networks: 222.8.4.0 10.1.1.0 Routing Information Sources: Gateway Distance Last Update 222.8.4.1 120 00:00:04 An administrator who is consoled into the Peanut router is able to ping the Serial0 and Ethernet0 ports of the Popcorn router but unable to ping its Ethernet1 interface. Use the graphic and command output to identify possible causes for this problem. (Choose two) A. The Serial interface of the Popcorn router is shutdown. B. The Ethernet1 interface of the Popcorn router is shutdown. C. The Popcorn router did not include network 192.168.12.0 in its routing configuration. D. The Popcorn router is not forwarding RIP updates. E. The clockrate is missing from the configuration of one of the routers. Answer: B, C 正确: CD D从哪看啊？ Outgoing update filter list for all interfaces is Incoming update filter list for all interfaces is 我觉得D应该是错的？

简单爱 发表于 2004-3-5 10:20:39

QUESTION NO: 115 OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? (Choose three) A. Each OSPF area requires a loopback interface to be configured B. Areas may be assigned any number from 0 to 65535 C. Area 0 is called the backbone area D. Hierarchical OSPF networks do not require multiple areas E. Multiple OSPF areas must connect to area 0 F. Single area OSPF networks must be configured in area 1 Answer: B, C, E 正确: CDE 我觉得BC也正确啊？？倒是D有点不解？？

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化辉看进来!!!错题汇总!!!