CompTIA Network+ 2009: Troubleshooting the Network

This course is included in our On-demand training solution.


Even in the best designed and managed networks, problems will arise. Knowing the proper troubleshooting methodology and being familiar with the many tools – both software and hardware – available to troubleshoot network issues will make the task of finding and solving problems that much easier. This course describes basic troubleshooting practices, including the steps for information gathering and documentation, to use to solve all sorts of issues. Common issues that can occur in modern networks are outlined along with many of the different hardware and software tools that can be used to find and resolve issues are explained. This course maps to the CompTIA’s Network+ 2009 objectives that cover implementing a network troubleshooting methodology given a specific scenario, as well as the objective for troubleshooting common connectivity issues, selecting and using the appropriate tool, and applying and documenting the final solution.

Target Audience

The audience for CompTIA Network+ 2009 training will comprise IT personnel with at least 9 months IT networking experience. Good computer literacy along with a sound technical acumen should be present. Students looking to acquire job skills, and to be trained specifically to pass the associated CompTIA Network+ (2009 Edition) certification exam will want to study this learning path.


Expected Duration

120 min.

Course Objectives

Network Troubleshooting Methodology

  • recognize the steps involved in troubleshooting networks
  • recognize how to perform information gathering
  • recognize how to plan and implement an action plan
  • recognize how a solution to a network problem should be documented
  • Software Tools for Network Troubleshooting

  • recognize the basic functions of network monitors, protocol analyzers, and wireless network testers
  • distinguish between protocol analyzers and performance-monitoring tools
  • recognize the functions of common windows troubleshooting tools
  • recognize the functions of Linux troubleshooting tools
  • Hardware Tools for Troubleshooting Networks

  • recognize the functions of hardware tools for troubleshooting network
  • recognize the functions of wireless network testers in network troubleshooting
  • Utilizing Troubleshooting Tools

    Physical Network Issues

  • recognize how cross talk, attenuation, and interference affects networks
  • recognize how opens and shorts affect networks
  • Logical Network Issues

  • recognize how duplex issues affect a network
  • recognize how addressing errors can be detected
  • recognize how switching/routing loops and route problems are detected in a network
  • Wireless Network Issues

  • recognize configuration issues with wireless networks
  • recognize how the environment can affect a wireless network
  • Understanding Network Issues