网络工程师考试题

1、兼职工程师考试题网络兼职工程师考试题居住地：姓名：1、2、选择题分数：、选择题：问答题分数：列哪些设备可以用来划分网段：A、hubD、 bridgeB、 repeaterE、 router那些设备可以用来分隔局域网：列那个地址是单播地址：C、 switchF、media convertersc,dA、224.1.5.2B、 FFFF.FFFF.FFFFC、 192.168 。 24.59/30D、255.255.255.255E、172.31.128.255/183、网线常见线序有直通线、交叉线、反转线三种做法，请把下列设备分类，并指出类别内及类别间连接所使用的线路类型：HUB SWITCH

2、ROUTER PC CONSOLEAnswer:1、( )； 2、( )；3、 ( )ISIS4、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、下列那些路由协议支持 VLSM和路由汇总： (IGRP RIPV1 RIPV2 EIGRP OSPFVTP CDP10.10.1.0/24网段的 telnet 请求：(6、下列哪条访问控制列表会阻止所有到A. access-list 15 deny telnet any 10.10.1.0 0.0.0.255 eq 23B. access-list 115 deny udp an

3、y 10.10.1.0 eq telnetC. access-list 15 deny tcp 10.10.1.0 255.255.255.0 eq telnetD. access-list 115 deny tcp any 10.10.1.0 0.0.0.255 eq 23E. access-list 15 deny udp any 10.10.1.0 255.255.255.0 eq 237、Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet 19

4、2.168.16.43/28?( )A. 192.168.16.32 0.0.0.16B. 192.168.16.43 0.0.0.212C. 192.168.16.0 0.0.0.15D. 192.168.16.32 0.0.0.15网络兼职工程师考试题E. 192.168.16.0 0.0.0.31F. 192.168.16.16 0.0.0.318、A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on?

5、 （ ）A. The source and destination addressesB. The destination port numberC. The destination addressD. The source addressE. 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

6、 a connectionless service? （两项 ） （ ）A. It uses a Reliable transport mechanism.B. It uses a Non-reliable transport mechanismC. It is less bandwidth-intensive than connection oriented servicesD. it uses handshaking10、The TestKing network is implementing dialup services for their remoteemployees. TestK

7、ing 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 needcallback support. Which protocol is the best choice for these remote access services? （ ）

8、A. 802.1B. Frame relayC. HDLCD. PPPE. SLIPF. 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

9、be configured on the router so that all computers can connect to the Internet simultaneously? （ ）A. Static NATB. Global NAT网络兼职工程师考试题C. Dynamic NATD. Static NAT with ACLsE. Dynamic NAT with overload12、Which of the following describe private IP addresses? (Choose two)()A. Addresses chosen by a compan

10、y 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 m

11、ust you specify when you enable EIGRP routing? ( )A. The broadcast address, and AS numberB. The network number and AS numberC. EIGRP routing, network number and passive interfaceD. EIGRP routing, network number, and AS14、Which of the following addresses can be assigned to a host when using asubnet m

12、ask of 255.255.254.0? (Select three)( )A. 113.10.4.0B. 186.54.3.0C. 175.33.3.255D. 26.35.2.255E. 152.135.7.0F. 17.35.36.015、You need to set the default gateway of one of your TestKing switches. Whichcommandw ill set the default gateway to 192.168.12.1 on a Cisco switch? ( )A. Switch(config)# ip defa

13、ult-network 192.168.12.1B. Switch(config)#ip route-default 192.168.12.1C. Switch(config)# ip default-gateway 192.168.12.1D. Switch(config)# ip route 192.168.12.1 0.0.0.016、What is the purpose of the command shown below? ip route 0.0.0.0 0.0.0.0serial0/0 ( )A. It configures a router to send all packe

14、ts out interface serial 0/0.网络兼职工程师考试题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 n

15、etworks out interface 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 thefollowing addresses is a broadcast address for one of the resulting subnets?（）A. 201.57.78.64B. 201

16、.57.78.87C. 201.57.78.33D. 201.57.78.254E. 201.57.78.159F. 201.57.78.9718、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CClock rate 在 DCE端没有设置D服务提供商造成的 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CClock rate 在 DCE端没有设置D服务提供商造成的 ERROR

17、 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 up网络兼职工程师考试题Hardware is MCI SerialInternet address is 131.1

18、08.156.98, subnet mask is 255.255.255.240MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255Encapsulation HDLC, loopback not set, keepalive set (10 sec)Last input 0:00:00, output 0:00:00, output hang neverLast clearing of show interface counters neverOutput queue 0/40, 5762 drops

19、A ; input queue 0/75,301 drops BFive minute input rate 9000 bits/sec, 16 packets/secFive minute output rate 9000 bits/sec, 17 packets/sec5780806 packets input,785841604 bytes, 0 no bufferReceived 757 broadcasts, 0 runts, 0 giants146124 input errorsC , 87243 CRCD, 58857 frameE, 0 overrun, 0 ignored,3

20、 abort5298821 packets output, 765669598 bytes, 0 underruns0 output errors, 0 collisions, 2941 interface resets, 0 restarts2 carrier transitions 通过以上条目判断出： ( ) A 接口的硬件有问题B input drop 发生在串行接口上可能因为：输入速率超过路由器处理能力。C 输入和输出队列都属于硬件特性 , 一般设备不能提供修改。D 可以用 hold-queue in 进行调整输出队列21、有一种对于线路的测试为“环路监测” ，根据下图标注出了环路监

21、测是原理，请选出正确的一个： ( )网络兼职工程师考试题D22、通过下面显示，最终显示为接口 down 的原因是由于： (Figure 1-2 debug serial interface Command Outputrouter# debug serial interfaceSerial1: HDLCmyseq 636119, mineseen 636119, yourseen 515032, line upSerial1: HDLCmyseq 636120, mineseen 636120, yourseen 515033, line upSerial1: HDLCmyseq 636121

22、, mineseen 636121, yourseen 515034, line upSerial1: HDLCmyseq 636122, mineseen 636122, yourseen 515035, line upSerial1: HDLCmyseq 636123, mineseen 636123, yourseen 515036, line upSerial1: HDLCmyseq 636124, mineseen 636124, yourseen 515037, line upSerial1: HDLC myseq 636125, mineseen 636125, yourseen

23、 515038, line upSerial1: HDLC myseq 636126, mineseen 636126, yourseen 515039, line upSerial1: HDLC myseq 636127, mineseen 636127, yourseen 515040, line upSerial1: HDLC myseq 636128, mineseen 636127, yourseen 515041, line upSerial1: HDLC myseq 636129, mineseen 636129, yourseen 515042, line upSerial1:

24、 HDLC myseq 636130, mineseen 636130, yourseen 515043, line up网络兼职工程师考试题Serial1: HDLC myseq 636131, mineseen 636130, yourseen 515044, line upSerial1: HDLC myseq 636132, mineseen 636130, yourseen 515045, line upSerial1: HDLC myseq 636133, mineseen 636130, yourseen 515046, line downA 链路发生噪声B CRC循环交验错误C 线缆出现问题D Keepalive 信号错误23、在实现密码恢复后，以下哪些进行修改操作： （ ）A 修改寄存器值B 修改 NVRAMC 修改 BOOT FLASHD FLASH24、对原有设备进行 IOS 升级操作，原有设备 show flash 如下图：能否加载 32Mflash 和 32M RAM的 IOS：答案：25、确定路由器正确的启