CCNP: Cisco Internetwork Troubleshooting Study Guide offers a comprehensive study of the topic but also rely on practical experience. This book covers all other CIT purposes, begins with a discussion of theoretical problem-solving methodology and tools of generic problem solving followed by coverage of the relevant tools and commands Cisco. Then the tips are addressed to TCP / IP environment, Novell, ISDN, AppleTalk, and others. Like any other study guides in the series Sybex, the CIT Study Guide, including chapter review questions and clearly states the purpose of CIT covered in each section. Plain Topics covered: Problems of methodology, the OSI layer attributes, test equipment, Cisco diagnostic commands and tools, troubleshooting (TCP / IP, serial lines and frame relay), ISDN, Novell networks, AppleTalk networks, and switched Ethernet networks.