CompTIA Network+ (N10-009) — Question 185

Which of the following steps in the troubleshooting methodology comes after using a top-to-bottom examination of the OSI model to determine cause?

Answer options

• A. Test the theory.
• B. Establish a plan of action.
• C. Verify full system functionality.
• D. Identify the problem.

Correct answer: A

Explanation

The correct answer is A, as after identifying the potential cause through the OSI model, the next logical step is to test that theory to confirm it. The other options represent steps that either precede this point in the methodology or follow after testing the theory, making them incorrect in this context.