N10-009 - Network Troubleshooting - Section 5.1

Explain the network troubleshooting methodology, from identifying the problem through establishing a theory, testing, resolving, and documenting.

Explain the structured CompTIA troubleshooting methodology in order: identify the problem, establish a theory of probable cause, test the theory, establish and implement a plan of action, verify full functionality, and document findings. Recognise that steps proceed top-down or bottom-up through the OSI layers and that a change must be documented even after the symptom clears.

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