A junior network technician receives a help desk ticket from an end user who is having trouble accessing a web application that was working the previous day. After talking with the end user and gathering information about the issue, which of the following would be the most likely course of action for the technician to perform NEXT?
A. Establish a theory of probable cause.
B. Escalate the ticket to a senior technician.
C. Implement the solution.
D. Document the findings and outcomes.