For instance,they can choose from a variety of Fast Ethernet switches and hubs -- which can be deployed to eliminate bottlenecks between file servers and desktops -- to provide higher bandwidth to groups of users or to increase performance to all clients.

• 例如，可以从多种交换器和集线器中挑选，交换器和集线器能用来消除文件服务器和客户机之间的瓶颈，向用户群提供更高的带宽或提高所有客户机的性能。