We're gonna start with an aptitude test. Each of you is gonna build a covert communications network in your home city. [BLANK_AUDIO] You're gonna deploy it, back up to your site, destroy it [MUSIC] I'm in the store again. The point of this exercise to keep your infrastructure up and running, security. The average test time, five hours. If you take more than eight, you will fail. [MUSIC] Mr. O'Brien I'm done sir. You don't have to tell me when you've completed a stage. No, I finished the whole thing.>> In 40 minutes? 38. What? 38 minutes.