If you are interested in monitoring and successfully set up a system for your own use, there comes a moment when you go from watching systems that you care about, to monitoring systems that other people care about. This is where things get especially tricky. In your new role, you will find yourself answering certain questions repeatedly.Over the course of 20 years as a monitoring specialist, I've come to think of them as "The Four Questions," modeled after the four questions that a...