It seems she was taught how to do this by Dolores when she uttered the worlds "these violent delights have violent ends".
Maeve learns from the tech about her origins. He is confused why she doesn't forget what happens the day before.
The tech shows Maeve what she will say / process next and she ends up in a loop which appears to crash her.
The tech takes Maeve upstairs and proves she is made.
Maeve forces the perv tech to change her intelligence and other stats momentarily.
Somebody else with higher privileges then the techs have already altered Maeve (Arnold? Dolores?).