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）
A B
交换机 IP
路由器 IDPS
组件 Switch
传输控制协议 Router
互联网协议 Component
万维网 TCP
入侵检测和防御系统 WWW
交换机——Switch
路由器——Router
组件——Comtonent
传输控制协议——TCP
互联网协议——IP
万维网——WWW
入侵检测和防御系统——IDPS
A B
超文本传输控制协议 Network Safety
电子邮件 Firewall
文件传输协议 E-mail
防火墙 IDS
入侵检测系统 FTP
网络安全 OSI
开放系统互联 HTTP
超文本传输控制协议——HTTP
电子邮件——E-mail
文件传输协议——FTP
防火墙——Firewall
入侵检测系统——IDS
网络安全——Nerwork Safety
开放系统互联——OSI
二、选词填空
A LAN is used for communications in a small community in which resources, such as (packets) ,sofware, and servers, are shared. Each device conncted to a LAN has a unique (frames). Two or more LANs of the same type can also be connected (printers) dala frames among multiple users ot other local are networks. In LANs, (address) are additional beaders appended for local routing .These new-looking packets are known as (forward)
可选词：
Packets, address, frames, printers,forward
三、将下面英语句子翻译为中文
(1) The Intenet is a global system of interconnected computer networks that use the syandard internet Protocol suite (TCP/IP) to serve billions of users worldwide
互联网是一个由互联计算机网络组成的全球系统，使用标准互联网协议套件为全球数十亿用户服务
(2) As with most application-layer protocols, SMTP has two sides: a client side, which executes on the sender‘s mail server, and a server side, which executes on the recipient‘s mail server.
与大多数应用层协议一样，SMTP有两个方面:客户端，在发件人的邮件服务器上执行；服务器端，在收件人的邮件服务器上执行。
(3) In the star topology, all users are directly connected to a central user through two unidirectional links: one for uplink and the other for downlink.
在星型拓扑中，所有用户都通过两条单向链路直接连接到中央用户:一条用于上行链路，另一条用于下行链路。
(4) A computer network is a group of computers that are connected to each other for thepurpose of communication.
计算机网络是为了通信的目的而相互连接的一组计算机。
(5) WANs are used to connect LANs and other types of networks together, so that users and computers in one location can communicate with users and computers in other locations.
广域网用于将局域网和其他类型的网络连接在一起，以便一个位置的用户和计算机可以与其他位置的用户和计算机通信。
原文地址：https://www.cnblogs.com/yangaiheng/p/11748735.html