test prep

  1. coloradopowpow

    ADX Test prep materials before taking a course?

    Hi all, I have quite a bit of time before I start ADX school and would like to try to get the DX exam out of the way before I begin the course (Oct '22), if possible, as I've heard it's a good idea if you have the time. I've been looking into some of the online (paid) study materials and apps...