em is used to interface between a computer and the telephone system.2. RAS (Remote Access Service) used under Windows NT and dial-up networking under Windows 95.3. DDS (Digital Data Service) is a type of dedicated digital line provided by phone carriers.4. ISDN (Integrated Digital Network) was developed as an alternative to the standard PSTN telephone system for voice communications.5. ATM (Asynchronous Transfer Mode) is a high-speed packet switching format that supports speeds up to 622 Mbps. ATM uses a virtual circuit between connection points for high reliability over high-speed links. Technological advances in networking hardware and software have led to greater throughput on all scales and to increasingly tighter integration of networking with all aspects of computing. In keeping with these advances, the idea of networking has entered the common consciousness to an extent that would have been unimaginable a few short years ago. This shift in perception has led to an expansion of networking beyond the workplace, which is already beginning to shape developments in networking technology....
