A network administrator is investigating authentication failures on an enterprise SOHO branch network following a RADIUS server migration. The administrator gathered user symptoms, reviewed radius log files, established a hypothesis regarding a mismatched shared secret on the wireless access points, and successfully confirmed this cause by conducting a test authentication using the updated secret in a controlled lab segment. According to the CompTIA troubleshooting methodology, which step should the administrator take NEXT?
- Develop a plan of action to update the shared secrets on production access points while identifying potential operational impacts.Cevap
- BPerform test authentications across all client devices to confirm that full wireless functionality is completely restored.
- CLog the root cause, change details, and resolution summary into the organization's centralized ticketing system.
- DConduct user interviews and check recent network infrastructure change logs to gather additional problem symptoms.
Cevap
The administrator should establish a plan of action to resolve the problem and identify potential effects prior to implementing the fix on production equipment.
According to the CompTIA troubleshooting methodology, the steps occur in the following order: (1) Identify the problem, (2) Establish a theory of probable cause, (3) Test the theory to determine cause, (4) Establish a plan of action to resolve the problem and identify potential effects / implement solution, (5) Verify full system functionality and implement preventive measures, and (6) Document findings, actions, and outcomes. Because the administrator has just tested and confirmed the theory (Step 3), the immediate next step is Step 4: establishing a plan of action and identifying potential operational effects before implementation.
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CompTIA 6-Step Troubleshooting Methodology Sequence
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