SK0-003 · Question #746
Which of the following is the MOST important troubleshooting step?
The correct answer is D. Make one change at a time.. When troubleshooting, the most critical principle is to make only one change at a time to isolate the impact of each modification and avoid introducing new problems.
Question
Which of the following is the MOST important troubleshooting step?
Options
- ATest the theory.
- BPerform a root cause analysis.
- CEstablish a plan of action.
- DMake one change at a time.
How the community answered
(56 responses)- A2% (1)
- B4% (2)
- C5% (3)
- D89% (50)
Why each option
When troubleshooting, the most critical principle is to make only one change at a time to isolate the impact of each modification and avoid introducing new problems.
Testing the theory is a crucial step in the troubleshooting methodology, but it is not the most important principle that guides the execution of those tests.
Performing a root cause analysis is typically done after an issue is resolved or at least stabilized, to prevent recurrence, not as a primary troubleshooting step itself.
Establishing a plan of action is part of the troubleshooting process, but the principle of making one change at a time guides how that plan is executed, making it more fundamental.
Making one change at a time is paramount in troubleshooting because it allows the technician to accurately identify if a particular change resolves or exacerbates the problem, preventing multiple simultaneous modifications from obscuring the true cause or introducing new issues. This systematic approach ensures that the impact of each troubleshooting step can be clearly attributed.
Concept tested: Troubleshooting methodology best practices
Source: https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/16448-trouble-1.html
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