Chapter 19

Network Troubleshooting

The Following CompTIA Network+ Exam Objectives Are Covered in This Chapter:

  • 1.8 Given a scenario, implement the following network troubleshooting methodology:
    • Identify the problem:
  • Information gathering
  • Identify symptoms
  • Question users
  • Determine if anything has changed
  • Establish a theory of probable cause:
  • Question the obvious
  • Test the theory to determine cause:
  • Once theory is confirmed determine next steps to resolve problem.
  • If theory is not confirmed, re-establish new theory or escalate.
  • Establish a plan of action to resolve the problem and identify potential effects
  • Implement the solution or escalate as necessary
  • Verify full system functionality and if applicable implement preventative measures
  • Document ...

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