What is the final step in troubleshooting a problem?

The final step in troubleshooting a problem involves testing the solution. After identifying the problem, investigating symptoms, and gathering and analyzing relevant data, it is crucial to implement a solution and monitor its effectiveness. Testing the solution verifies that the proposed fix resolves the issue without introducing new problems. This step ensures that the troubleshooting process has been effective and confirms that users can now expect the system or application to function as intended. By rigorously testing the solution, one can also ensure that the resolution is sustainable and leads to a permanent fix rather than a temporary workaround. Conducting this test also provides an opportunity to validate that any changes made during the troubleshooting process did not negatively impact other functionality, thereby reinforcing the reliability of the overall system.