Answer:
Yes! Everyone can be a dj.
You don`t need to know how to produce the music but need to know the basics of how music is produced.
and how do you know that? if you want to get into some real stuff your gona halve to learn pleanty.if you want to be popular make some albums post them on youtube and other places get you self a name and then some places will start offering to hire you and youll get paid,but studio time is high so you better get rich befor you start perfoming in front of people by you self.