After having talked to the customer, a network technician suspects that an invalid IP address is the most likely cause of a network issue. Which step of the troubleshooting process does this represent?
- Identify the problem.
- Test the theory to determine the cause.
- Establish a theory of probable cause.
- Establish a plan of action to resolve the problem and implement the solution.
Before a solution can be proposed or tested, the technician has to first talk to the customer to identify the problem, and establish a theory of probable cause.