Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Troubleshooting Methodology and backups
In the Troubleshooting Methodology section, when does CompTia believe that you should perform backups? Is it after step 2. "Establishing a Theory," and before step 3. "Test the Theory?"