一、Match the explantions in Column B with words and expressions in Column A.(搭配每组中同意以的词或短语)
1、交换机(post)路由器(pci) 组件(flash) 传输控制协议(copy) 互联网协议(BIOS) 万维网(CMOS Setup) 入侵检测和防御系统(POST beep)
2、超文本传输控制协议(floppy disk) 电子邮件(T) 文件传输协议() 防火墙(feryd) 入侵检测系统() 网络安全() 开放系统互联()
二、选词填空
1、format
三、将下面英语句子翻译为中文
(1)The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of users worldwide.
(2) As witn most application-layer protocols,SMTP has two sides:a client side,which executes on the sender's mail server,and a server side, which executer on the recipient's mail server.
(3)In the star topology,all users are directly connected to a central user throgh two unidirectionl links:one for uplink and the other for downlink.
(4)A computer network is a group of computers that are connected to each other for the purpose of communication.