CompTIA Network+ (N10-009) — Question 2

Which of the following steps of the troubleshooting methodology would most likely include checking through each level of the OSI model after the problem has been identified?

Answer options

• A. Establish a theory.
• B. Implement the solution.
• C. Create a plan of action.
• D. Verify functionality.

Correct answer: A

Explanation

The correct answer is A, as establishing a theory involves analyzing the problem and considering potential causes, often requiring a review of the OSI model. The other options pertain to actions taken after the theory is established, such as applying solutions or confirming that the issue is resolved.