Explain the three stages of the general troubleshooting process.
Stage 1: Gather symptoms:
- Symptoms may appear in many different forms, including alerts from the network management system, console messages, and user complaints.
- Gather and document symptoms from the network, end systems, and users.
- In addition, determine which network components have been affected and how the network’s functionality has changed compared to the baseline.
Stage 2: Isolate the problem:
- The problem is not truly isolated until a single problem, or a set of related problems, is identified.
- Examine the characteristics of problems at the logical layers of the network so that the most likely cause can be selected.
- Depending on the problem characteristics identified, gather and document more symptoms.
Stage 3: Correct the problem:
- Work to correct the problem by implementing, testing, and documenting a solution.
Exam with this question: EWAN v4 Chapter 8 Check Your Understanding: Network Troubleshooting
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