【3.5】【术语简介】解读.ppt

3.5 术语简介 集线器 环形网络 微波 调制解调器 网络协议 光缆 网络站点 Modem Fiber optic cabling Network protocol Microwave Ring network Website Hub 3.5 术语简介 无线局域网 主机 工作站 广域网 网卡 电子邮件 局域网 NIC Workstation E-mail WLAN LAN Host WAN 3.5 术语简介 Home-area network Local-area network Protocol Campus-area network Architecture Topology Wide-area network Metropolitan-area network 广域网 城域网 局域网 校园网 家庭网 协议 结构 拓扑 选词填空 A group of two or more computer systems linked together. There are many types of computer networks, including: : The computers are geographically close together (that is, in the same building). 选词填空 : The computers are within a limited geographic area, such as a campus or military base. : A data network designed for a town or city. 选词填空 : A network contained within a user’s home that connects person’s digital devices. 选词填空 : The computers are farther apart and are connected by telephone lines or radio waves. 选词填空 : The geometric arrangement of a computer system. Common topologies include bus, star, and ring. See the Network topology diagrams in the Quick Reference section of Webopedia. 选词填空 : The protocol defines a common set of rules and signals that computers on the network used to communicate. One of the most popular protocols for LANs is called Ethernet. Another popular LAN protocol for PCs is the IBM token-ring network. 选词填空 : Networks can be broadly classified as using either a peer-to-peer or client/server architecture. 英汉互译 Internet is a global network connecting millions of computers. More than 100 countries are linked into exchanges of data, news and opinions. 英汉互译 Router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP. 英汉互译 Routers are located at gateways, the places where two or more networks connect. 英汉互译 W