Sams Teach Yourself Network Troubleshooting in 24 Hours

The quick, easy way to learn how to quickly troubleshoot the most common types of problems on small- to medium-sized networks. @BULLET: Updated and revised edition with expanded coverage of wireless networking, network security, and the latest network operating systems and hardware.
The perfect first book for the new administrator struggling to figure out how to fix common networking problems.
Written by an author who's well-known in the Mac community -- an active magazine and newspaper writer and radio commentator.
A practical, hands-on guide to network troubleshooting that emphasizes diagnostic techniques that both professionals and part-time network administrators can understand and use in their day-to-day activities. In today's pervasive network environment, many of these people are often responsible for fixing a network if it goes down. This book emphasizes fixing practical networking applications like shared printers, using the Internet, and sharing files. It does not get into the specifics of protocols or specific applications, but provides short, concise overviews of topics like wireless networking, Unix, Windows 2000, Novell Netware, routers, and firewalls.
Jonathan Feldman is an active network systems analyst and administrator who also writes regularly for SysAdmin and Network Computing magazines. He is a Level II Certified NetAnalyst, and works with Unix, Netware, Windows 2000, and a whole football team of networking gear for the Chatham County Government in Savannah, GA. A multi-disciplinary troubleshooting expert, Feldman has also programmed everything from medical office applications to video games. Network tools that he's developed have been downloaded by the likes of SCO, Cisco Systems, BellSouth, and NASA.