兼职工程师考试题居住地： 姓名： 选择题分数： 问答题分数： 一、选择题：1、 以下哪些设备可以用来划分网段： e A、hubB、repeaterC、switchD、bridgeE、routerF、media converters那些设备可以用来分隔局域网： c,d 2、 以下那个地址是单播地址： A、B、C、192.168。24.59/30D、E、3、 网线常见线序有直通线、交叉线、反转线三种做法，请把以下设备分类，并指出类别内及类别间连接所使用的线路类型：HUB SWITCH ROUTER PC CONSOLEAnswer:1、( ) ；2、( )；3、 ( ) 4、 对以下路由协议进行分类，并写出各类的路有协议类型： RIPV1 RIPV2 IGRP EIGRP OSPF ISIS5、 以下那些路由协议支持VLSM和路由汇总： IGRPRIPV1RIPV2EIGRPOSPFISISVTPCDP6、 以下哪条访问控制列表会阻止所有到4网段的telnet请求： A. access-list 23 23 E. access-7、 Which IP address and wildcard mask would you use in your ACL to block all the B. C. E. 19 8、 A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on? A. The source and destination addresses B. The destination port number C. The destination address D. The source address E. All of the above9、 A brand new network application is required for the Acme Company, and they are considering the use of a connectionless service. What are the characteristics of a connectionless service? (两项) A. It uses a Reliable transport mechanism. B. It uses a Non-reliable transport mechanism C. It is less bandwidth-intensive than connection oriented services D. it uses handshaking10、 The TestKing network is implementing dialup services for their remote employees. TestKing uses several different Layer 3 protocols on the network. Authentication of the users connecting to the network is required for security. Additionally, some employees will be dialing long distance and will need callback support. Which protocol is the best choice for these remote access services? A. 802.1 B. Frame relay C. HDLC D. PPP E. SLIP F. PAP11、 TestKing has 25 computers and decides to connect the network to the Internet. TestKing would like for all of the computers to have access to the Internet at the same time, but TestKing only has four usable publicly routable IP addresses. What should be configured on the router so that all computers can connect to the Internet simultaneously? A. Static NAT B. Global NAT C. Dynamic NAT D. Static NAT with ACLs E. Dynamic NAT with overload12、 Which of the following describe private IP addresses? (Choose two) A. Addresses chosen by a company to communicate with the Internet. B. Addresses that cannot be routed through the public Internet. C. Addresses that can be routed through the public Internet. D. A scheme to conserve public addresses. E. Addresses licensed to enterprise or ISPs by an Internet registry organization.13、 What parameters must you specify when you enable EIGRP routing? A. The broadcast address, and AS number B. The network number and AS number C. EIGRP routing, network number and passive interface D. EIGRP routing, network number, and AS14、 Which of the following addresses can be assigned to a host when using a subnet F. 115、 You need to set the default gateway of one of your TestKing switches. Which command will sco switch? A. Switch(config)# ip defaul B. Switch(config)#ip route-defaul 16、 What is the purpose of the command shown below? rial0/0 A. It configures a router to send all packets out interface serial 0/0. B. It configures a router to block routing updates from being sent out interface serial 0/0. C. It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0. D. It configures a router to send all packets for unknown destination networks outinterface serial 0/0. E. It configures a router to drop all packets for which the destination network is unknown. 17、 A Class C network address has been subnetted with a /27 mask. Which of the following addresses is a broadcast address for one of the resulting subnets? 18、 在Serial x is down, line protocol is down的情况下可能是哪些故障造成：A 载波没有收到B 线缆出现问题C Clock rate在DCE端没有设置D 效劳提供商造成的ERROR RATE过高19、 在Serial x is down, line protocol is down的情况下可能是哪些故障造成：A 载波没有收到B 线缆出现问题C Clock rate在DCE端没有设置D 效劳提供商造成的ERROR RATE过高20、 请参看一下配置：Figure 1-1 Output of the HDLC show interface serial CommandTable 1-1 shows the interface status conditions, possible problems associated with the conditions, and solutions to those problems.Serial 0 is up, line protocol is upHardware is MCI SerialInternet address is 131.108MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255Encapsulation HDLC, loopback not set, keepalive set (