问题 问答题

某公司要组建一个小型的Windows局域网,包括1台服务器和10台PC,网络结构如图8所示。该公司在服务器上建立自己的商业网站,网站域名定为“www.Economical.com”。请根据网络结构图回答以下有关问题。

给出“局域网上的所有用户以共享同一IP地址方式来访问Internet”的两种解决方案。

答案

参考答案:

①在服务器上安装代理服务器软件,各PC通过代理服务器访问Internet。

②在服务器端启动Internet连接共享服务,各PC共享服务器的Internet连接。

解析:

将局域网通过代理服务器可实现“局域网上的所有用户以共享同一IP地址方式来访问Internet”。代理服务器将网络分成了两段,一段连接Internet,另一段与局域网连接。只要代理服务器上有一个合法的IP地址,局域网内其他用户就可以使用私有的IP地址,这样可以节约大量的IP地址,降低网络的维护成本。通常代理服务器的实现有Internet连接共享、WinGate及SyGate等多种方式,代理服务器的安装与配置也较为简单。

单项选择题

"What does the middleman do but add to the price of goods in the shops " Such remarks are aimed at the intermediate operations between manufacturers and final customers. This practice usually attracts a lot of attention from the public and the press and the operation most talked about is what is often called wholesaling.
The wholesaler buys goods in large quantities from the manufacturers and sells them in smaller parcels to retailers, and for this service his selling price to the retailer is raised several percent higher. But his job is made more difficult by retail demand not necessarily running level with manufacturers’ production. Because he adjusts or regulates the flow of goods by holding stock Until required, he frees the manufacturer, to some extent, from the effect on production of changing demand and having to bear the whole risk.
The manufacturer can then keep up a steady production flow, and the retailer has no need to hold heavy stocks, who can call on the wholesaler for supplies any time. This wholesale function is like that of a valve in a water pipe. The middleman also bears part of the risk that would otherwise fall on the manufacturer and also the retailer.
The wholesaler provides a purely commercial service, for which he is too well rewarded. But the point that is missed by many people is that the wholesaler is not just someone adding to the cost of goods. It is true one could eliminate the wholesaler but one would still be left with his function: that of making sure that goods find their way to the people who want them.

The wholesaler regulates the flow of goods by ______.

A.running level with manufacturers’ production

B.holding down stock of commodities

C.keeping stock for per demand

D.adjusting the prices of goods in time

单项选择题