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wangqingchao 2019-11-03 21:50 原文

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.

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