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1、浙江大学20042005学年夏季学期网络系统设计与工程课程期末考试试卷开课学院：计算机学院 ，考试形式：闭，允许带_入场考试时间：_2005_年_7月_9_日,所需时间： 120 分钟考生姓名： _学号： 专业： _ 题序一二三四五六七八总 分得分评卷人注意事项：1. 请把答案写在答题纸对应的题号内；2. 有关IP地址表达方式，如果没有特别的掩码标明，则均按标准地址分类表示。一、 Please select the best choice for following question (60 points)1. Which of the following would be used to c
2、onnect a router to an Ethernet switch?A. straight-through RJ45 cable B. cross-over RJ45 cable C. RS232 cableD. a V.35 cable2. How do you connect to a router using HyperTerminal?A. Connect the Ethernet port of your host to the Ethernet interface of the router using a rolled cable.B. Connect the COM p
3、ort of your host to the Ethernet port of your router using a straight-through cable.C. Connect the COM port of your host to the console port of the router using a crossover cable.D. Connect the COM port of your host to the console port of the router using a rolled cable.3. Which of following command
4、 is used to print routing table of a Quidway router?A. display ip routeB. display ip pathC. show ip routeD. display current-config4. Which layer-2 device enables high-speed data exchange?A. RepeaterB. HubC. SwitchD. Router5. Which of the following is a correct ping to a host?A. Routerping 172.16.0.0
5、B. Router#ping 172.16.25.255C. Routerping 172.16.10.2D. Router#ping 172.16.2.2566. How many subnets and hosts can you get from the network 192.168.254.0/26?A. 4 networks with 64 hostsB. 2 networks with 62 hostsC. 254 networks with 254 hostsD. 1 network with 254 hostsAnswer B. I bet you struggled wit
6、h this one, although it isnt difficult. But the answers will make you think. First, the 254-host answers are not even close, so you have a 50/50 chance between the four-network and two-network options. The part you probably thought about the most is whether Cisco is using subnet-zero. This would pro
7、vide four networks instead of two. Makes sense. However, Cisco does not consider subnet-zero valid on any of their exams. In addition, you cannot get 64 hosts with this mask, only 62 hosts per subnet, regardless of whether you are using subnet-zero or not, which makes the four network answers comple
8、tely wrong.7. If a company gets a class B IP addresses and plans to assign to 12 departments equably, the most efficient subnet mask is？A255.255.128.0B255.255.192.0C255.255.240.0D255.255.252.08. Which is the most efficient subnet mask to use on point-to-point links?A. 255.255.255.0 B. 255.255.255.22
9、4C. 255.255.255.252D. 255.255.255.2489. You are the network administrator for RouterS, and a user cannot reach the corporate server from their remote office. The IP address of the host is 192.168.254.10/24, the default gateway of the host is 192.168.254.1, and the server is 192.168.10.10/24. You hav
10、e the user type the following from a DOS prompt: ping 192.168.254.1; this is unsuccessful. You then have the user type: ping 127.0.0.1; this is also unsuccessful. What could the problem be?A. The router is down.B. The server is down.C. TCP/IP is not initialized on the host.D. The Ethernet cable is u
11、nplugged from the host.Answer C. 127.0.0.1 is called the loopback address and is used for diagnostics on a host. If you cannot ping this address, then you have a problem with the IP stack on the host.10. Which of the following prompts indicates that you are in privileged EXEC mode?A. B. (config)#C.
12、#D. !11. If you type a command and receive the error “% incomplete command” from a switch CLI, what would you do to get help?A. Type history to review the errorB. Re-enter the command followed by a question mark to view the keywordsC. Type helpD. Enter a question mark to see all the console commands
13、12. Which of following command is used to print routing table of a Quidway router?Adisplay ip routeBdisplay ip pathCshow ip routeDdisplay current-config13. What keystroke will terminate setup mode in Cisco IOS?A. Ctrl+ZB. Ctrl+C. Ctrl+CD. Ctrl+Shift+14. Which of the following commands will display a
14、 backup configuration?A. sh running-configB. show startup-configC. show versionD. show backup-config15. Which of the following commands will configure all the default VTY ports on a router?A. Router#line vty 0 4B. Router(config)#line vty 0 4C. Router(config-if)#line vty 0 4D. Router(config)#line vty
15、 all16. Which of the following commands sets the secret password to “Cisco”? A. enable secret password CiscoB. enable secret ciscoC. enable secret CiscoD. enable password Cisco17. Which of the following commands will reload the router?A. RouterreloadB. Router#resetC. Router#reloadD. Router(config)#reload18. What command will display all the valid commands at the given mode?A. helpB. help allC. ?D. list19. What is the problem with an interfa
