A user reports that the computer occasionally loses connectivity to the wireless network. The technician checks the configuration on the user's computer and then replaces the wireless access point with a known good one. What structured troubleshooting method is the technician using to solve the problem?
- Comparison
- Bottom-up
- Divide-and-Conquer
- Substitution
Explanation: The technician replaces a suspected bad piece of equipment with a known-good one. This represents the Substitution method of troubleshooting.
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