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Zorluk: ZorTroubleshooting Methodology

A field technician is troubleshooting a Linux-based digital signage kiosk that fails to boot into the graphical desktop environment following an automated patch deployment. The technician has conducted tests and confirmed the theory of probable cause: a newly installed driver module conflicts with the integrated graphics controller. According to the CompTIA troubleshooting methodology, which of the following actions should the technician perform NEXT as part of establishing a plan of action? (Select TWO.)

  1. Research vendor knowledge bases and patch notes to identify potential side effects of rolling back the driver module.Cevap
  2. Perform a full configuration and data backup of the kiosk operating system prior to making software changes.Cevap
  3. C
    Train the kiosk site operators on manual recovery procedures to prevent future boot failure downtime.
  4. D
    Replace the system solid-state drive to determine if bad sectors contributed to the boot failure.

Cevap

The technician must research technical documentation for potential side effects and create a system backup before implementing modifications.
According to the official CompTIA 6-step troubleshooting model, once a theory of cause has been tested and confirmed (Step 3), the technician must proceed to Step 4: 'Establish a plan of action to resolve the problem and identify potential effects.' Researching potential side effects in vendor documentation and taking a full system backup before modifying software are core elements of establishing a plan of action and minimizing risk.

Adım Adım Çözüm

1
Identify the current stage in the CompTIA troubleshooting methodology.
The scenario specifies that testing confirmed the theory of probable cause, completing Step 3 (Test the theory to determine cause).
Determining the completed stage dictates the immediate next step in the standard model.
2
Determine the required tasks for Step 4 (Establish a plan of action to resolve the problem and identify potential effects).
Step 4 requires formulating a resolution plan, considering environmental or operational side effects, and establishing rollback/backup safety nets.
Resolutions should never be applied without evaluating impact and securing recovery options.
3
Select the options matching Step 4 requirements.
Consulting vendor documentation to anticipate side effects and creating a system backup directly align with Step 4 guidelines.
Preventive training occurs in Step 5, and physical drive replacement skips the methodology sequence.

Anahtar Kavram

CompTIA Troubleshooting Methodology - Step 4: Plan of Action
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Konular

Troubleshooting Methodology

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