How Networks Work. Millennium Edition

In How Networks Work, Millennium Edition, they have masterminded dozens of easy-to-follow, technically rich presentations on topics such as ? How network operating system software and a logical topology form the heart of the local area network ? How ISDN and DSL phone lines expedite the transmission of data ? How one LAN can connect to another and allow communication and data sharing over a wider area ? How the different types of network cable can affect performance ? How ATM switches route cells across a network ? How the Internet carries messages, images, and programs around the world ? How secure enterprise networking protects the exchange of data