This implementation, maintenance and troubleshooting resource seeks to go beyond the overview networking books and standards guides to offer the technical insight and hands-on knowledge that telecom network technicians need to get their job done. Today's telecommunications providers are bound by service level agreements that guarantee quality of service to their customers. Although it may be easy for the sales department to ink a quality of service agreement, network technicians are constantly battling against signal loss, jitter and impedance, all of which threaten quality network service. By showing how to set up a network properly, test its performance, and troubleshoot any systems glitches, this on-the-job companion should aid network technicians in guaranteeing quality network service.