《计算机网络技术》(课程代码02141).pdf

计算机网络技术(课程代码 02141)第一大题：单项选择题1、若信号传输速率为2400 波特（Baud），每个信号码元可取4 种有效离散值，则相应的数据传输速率为（）A.1200bps B.2400bps C.3600bps D.4800bps 参考答案：D 2、采用异步传输方式，设数据位为7 位，1 位校验位，1 位停止位，则其通信效率为()A.30%B.70%C.80%D.20%参考答案：B 3、X.25 协议采用的是()A.报文交换技术B.分组交换技术C.电路交换技术D.帧交换技术参考答案：B 4、ARP协议的主要功能是()A.将 IP 地址解析为物理地址B.将物理地址解析为IP 地址C.将主机域名解析为IP 地址D.将 IP 地址解析为主机域名参考答案：A 5、下列协议中运行在应用层的协议是()A.IP B.ARP C.TCP D.DNS 参考答案：D 6、HDLC规程采用的帧同步方法为()A.字节计数法B.使用字符填充的首尾定界符法C.使用比特填充的首尾标志法D.违法编码法参考答案：C 7、从一个站点开始发送数据到另一个站点开始接收数据所需的时间，称为()A.冲突检测时间B.数据传输时延C.信号传播时延D.数据接收时延文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8参考答案：C 8、信息和它在时域中的位置之间没有任何关系，信息只是按信头中的标志来区分，这种复用方式属于()A.频分多路复用B.波分多路复用C.异步时分多路复用D.同步时分多路复用参考答案：C 9、BSC协议属于（）A.面向字符的同步协议B.面向比特的同步协议C.面向字节计数的同步协议D.面向帧的同步协议参考答案：A 10、RS 232C的电气特性规定逻辑“1”的电平范围分别为()A.+5V 至+15V B.-5V 至-15V C.0V 至+5V D.0V 至-5V 参考答案：B 11、如果要将一个以太网与一个令牌环网相连，必须使用的设备为（）A.转发器B.集线器文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8C.路由器D.网桥参考答案：D 12、ATM网络中传输的分组称为信元(Cell)，ATM信元及信头的字节数分别为()A.5，53 B.53，5 C.48，5 D.5，48 参考答案：B 13、xDSL技术的最大特点是使用电信部门已经铺设的双绞线作为传输线路提供宽带传输速率。其范围是()A.从 512Kbit s 到 1Mbit s B.从 144Kbit s 到 8Mbit s C.从 128Kbit s 到 2Mbit s D.从 64Kbit s 到 52Mbit s 参考答案：D 14、在下列个人用户接入广域网技术中，传输速率最高的是()A.拨号 MODEM B.B.ISDN(2B+D)C.ADSL D.光纤以太网参考答案：D 15、TCP/IP 体系结构中的TCP和 IP 所提供的服务分别为()文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8A.链路层服务和网络层服务B.网络层服务和运输层服务C.运输层服务和应用层服务D.运输层服务和网络层服务参考答案：D 16、提供链路层间的协议转换，在局域网之间存储转发帧，这样的网络互连设备为（）A.转发器B.网桥C.路由器D.网关参考答案：B 17、WWW上的每一个网页(Home Page)都有一个独立的地址，这些地址统称为()A.主机地址B.网络地址：C.端口地址D.统一资源定位器(URL)参考答案：D 18、以下关于用户E-mail地址唯一性的叙述正确的是()A.用户 E-mail地址在整个因特网是唯一的B.用户 E-mail地址在用户所在邮件服务器中是唯一的C.用户 E-mail地址在一个国家是唯一的D.用户 E-mail地址可以不唯一文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8参考答案：A 19、下列地址中与“域名”有一一对应关系的是()A.E-mail地址B.网页地址C.IP 地址D.物理地址参考答案：C 20、如果某用户想在一台联网的计算机上登录到远程一台分时系统中（已有合法的用户名和密码），然后像使用自己的计算机一样使用该远程系统，他应使用的命令是（）A.FTP B.Telnet C.Login D.VTP 参考答案：B 21、专门为单位或个人进入因特网提供产品和服务的公司英文简称为()A.ICP B.ISP C.IMP D.NCC 参考答案：B 22、无噪声信道的带宽为3KHz，每个信号码元的离散状态数为4 个，则信道的最大数据传输速率可达()A.48K bps B.24K bps 文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8C.18K bps D.12K bps 参考答案：D 23、T1载波的数据传输率为()A.1Mbps B.10Mbps C.2.048Mbps D.1.544Mbps 参考答案：D 24、TCP协议的主要功能是()A.分配 IP 地址B.提供端到端的面向连接的可靠数据传输C.确定数据传输路径D.提高传输速度参考答案：B 25、若信息位为4 位，要构成能纠正一位错的海明码，则冗余位至少应为（）A.2 位B.3 位C.4 位D.5 位参考答案：B 26、在 RS-232C 接口信号中，数据终端就绪(DTR)信号的连接方向为()文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8A.DTE DCEB.DCE DTEC.DCE DCED.DTE DTE参考答案：A 27、对于有序接收的滑动窗口协议，若序号位数为3 位，则发送窗口最大尺寸为（）A.5 B.6 C.7 D.8 参考答案：C 28、CSMA CD的代价是用于检测冲突所花费的时间。对于基带总线而言，最坏情况下用于检测一个冲突的时间等于任意两个站之间最大传播时延的()A.1 倍B.2 倍C.3 倍D.4 倍参考答案：B 29、广域网技术主要对应OSI 参考模型底层的()A.1 层B.1-2 层C.1-3 层D.1-4 层文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1O8K5 HB7V4X7H10G6 ZS2S9W5Q2B8文档编码:CN9B5V1