A network administrator is troubleshooting a network outage, and she believes that the issue is related to a bad switch. The old switch is replaced with a newer model and the cabling is moved to the new switch. Which of the following should be the NEXT troubleshooting steps? (Choose TWO)

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