思科计算机网络题目及翻译.doc

实验报告用纸课程 计算机网络基础 日期 2013 年 3 月 8日班级 学号姓名 成绩 实验题目 实验1第一章测试一、 实验目的1. 掌握网络数学相关内容2. 了解连接网络的条件3. 掌握浏览器的相关功能二、 实验内容1. Why were TCP/IP protocols developed为什么要开发TCP / IP协议选择一项a. To allocate resources that are needed for operating a computer on a LAN.分配所需资源操作计算机局域网b. To insure that error correction of each packet takes place.以确保每个数据包的误差修正c. To allow cooperating computers to share resources across a network让电脑通过网络共享资源d. To determine the best path decision making when forwarding packets of data. 决策确定转发数据包时的“最佳路径”。正确答案是To allow cooperating computers to share resources across a network2.Which of the following will test the internal loopback of a node下列哪个是测试一个节点的内部环回地址选择一项a. ping 255.255.255.255b. ping 192.168.1.1c. ping 223.223.223.223d. ping 127.0.0.1 e. ping 10.10.10.1正确答案是ping 127.0.0.1 3.Convert the Base 10 number 116 into its eight bit binary equivalent. Choose the correct answer from the following list基地10 116转换成它的等效八位二进制。并从下面的列表中选择正确的答案选择一项a. 01110100 b. 01110111c. 01010110d. 01111010e. 01110010f. 01110110正确答案是011101004Which phrases describe a byte Choose two.哪个短语描述一个字节选择一项或多项a. a grouping of eight binary digits八个二进制数字的分组b. the value range from 0 to 127有效值从0到127不等c. a single addressable storage location 一个单一的内地存储单元d. 5 volts of electricity 5伏特的电力e. a single binary digit 一个二进制数字正确答案是a grouping of eight binary digits , a single addressable storage locationWhich 5.statements best describe a physical connection Choose two.哪个语句最好的描述了物理连接选择一项或多项a. interprets data and displays ination 解释数据并显示信息b. used to transfer data between PC and local network 用于个人电脑和本地网络之间传输数据c. could utilize modem or NIC 利用调制解调器或网卡d. Internet standard is TCP/IP互联网标准是TCP / IP正确答案是used to transfer data between PC and local network , could utilize modem or NIC6.Which of the following are functions of a web browser without the addition of plug-ins Choose three.以下哪些web浏览器的功能没有添加插件选择一项或多项a. receives ination 接收信息b. updates IRQs 硬中断请求优先级别的更新c. displays Quicktime movies播放Quicktime电影d. displays flash animation播放flash动画e. contacts web servers连接web服务器f. requests ination 请求信息正确答案是contacts web servers , requests ination , receives ination7.Which of the following interprets the data and displays the ination in an understandable for the user to see下列哪个在一个可以理解的形式为用户解释数据并显示信息选择一项a. remote devices远程设备b. logical connection逻辑连接c. protocol stack协议栈d. application 应用程序e. physical connection物理连接正确答案是 application8.If you per a Boolean AND on the IP address 172.16.20.23 using the subnet mask of 255.255.248.0, which of the following is the subnetwork address如果你执行一个布尔和IP地址172.16.20.23 子网掩码为255.255.248.0,子网地址是以下哪个选择一项a. 172.16.20.0b. 172.16.0.0c. 172.16.16.0 d. 172.16.24.0e. 172.16.20.16正确答案是172.16.16.09.Which of the following are popular web browsers Choose two.下列哪一种是流行的web浏览器选择一项或多项a. Acrobatb. Firefoxc. World Wide Web d. chromee. Internet Explorer f. Quicktimeg. Macromedia Flash正确答案是Firefox , Internet Explorer , chrome10.In an 8 bit binary number, what is the total number of combinations of the eight bits在一个8位二进制数,八个比特的组合总数是选择一项a. 1024b. 128c. 254d. 512e. 255 f. 256正确答案是256