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哈工大2013年
春季学期
计算机通信网络试题A
题号分数一二三四五六七
班号姓名
八
九
十
总分
本试卷共三道大题满分七十分。一、选择题（每小题1分，共15分）
1、下列哪个选项是属于通信子网的范畴？BA．应用层、表示层、会话层B．物理层、数据链路层、网络层C．物理层D．传输层
2、下列哪种路由选择协议既可用于自治系统之间也可用于自治系统内部？D
A．RIP
B．OSPF
C．IGRP
D．BGP
3、HTTP协议的通用端口号是多少？AA．80B．25C．21D．1010
4、在OSI参考模型中，物理层的数据服务单元是？DA．帧B．报文C．分组D．比特序列
5、下列哪种协议能够完成从IP地址到物理地址的转换功能？DA．FTPB．RARPC．TELNETD．ARP
6、在INTERNET的顶级域名分配中，下列哪种顶级域名表示的是商业组织？A
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