A technician has just finished installing a new NIC in a desktop. Which of the following should the technician perform NEXT according to the troubleshooting theory?

Question

Options

• ATest the theory to determine cause
• BVerify full system functionality
• CEscalate issue to a manager
• DDocument findings and repairs

• A
  2% (1)
• B
  91% (40)
• C
  5% (2)
• D
  2% (1)

Explanation

According to the CompTIA A+ troubleshooting methodology, after implementing a solution (step 5 - installing the NIC), the next step is to verify full system functionality and, if applicable, implement preventive measures (step 6). This means the technician should confirm not only that the NIC works, but also that the repair did not introduce new problems (e.g., other hardware conflicts, improper seating, ESD damage). 'Test the theory to determine cause' (A) is an earlier step that occurs before implementing a fix. 'Escalate to a manager' (C) applies when the technician cannot resolve the issue. 'Document findings and repairs' (D) is the final step (step 7), performed after functionality is verified.

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