This is the one day that your office is going to have to do without you. Turn off your cell phones, pagers, PDAs, digital watch alarms, and anything else that goes beep. Even better, leave it all in your car, hotel room, or at home. You need to focus on the exam. And (ahem) so does everyone else in the room. In the case of digital watches: Calculators are prohibited during the CISSP exam, and thus some test sites might require you to remove your digital watch. Bring a regular boring watch instead so that you can keep track of the time easily.