/usr wrote: I only ask because even though I work in IT, I'm getting ready to start a new job that will require some service calls. I've grown familiar with the work here and have kind of moved out of the hardware support role... Will a read through my old "All-In-One" book be enough, or is it worth picking up a used copy of the 2006 guide and reading it? I passed the exam in 2003, to give you an idea of the date.