A technician has narrowed down the cause of a problem to two possible sources. Which of the following should the technician do NEXT?

Question

Options

• AImplement a solution for both causes to be sure all possibilities are covered.
• BChoose the more likely cause and test to confirm.
• CEstablish a plan of action for each.
• DChoose the less likely cause and test to eliminate.

• B
  92% (33)
• C
  6% (2)
• D
  3% (1)

Explanation

This question tests knowledge of the CompTIA Network+ troubleshooting methodology. After identifying possible causes, the next step is to establish a theory of probable cause-selecting the most likely cause first and testing it. This is efficient because it prioritizes the hypothesis with the highest probability of being correct, resolving the issue faster. Implementing solutions for both causes simultaneously is bad practice because it can introduce new variables and makes it impossible to identify which fix actually resolved the issue. Establishing a plan of action for each cause comes after confirming the cause, not before. Testing the less likely cause first (option D) wastes time and resources by testing a lower-probability hypothesis.

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