minor typo in your question
Buckle up before taking off or you just failed.
know what each button / switch on the dashboard does.
look with your head and not just your eyes in front of the DMV
check mirrors every 7 seconds or so
if you hit anything, its over.
you find out at the end of the test if you passed or failed.
you've got to attempt parallel parking and corner backing. you don't have to get those all the way but its points off if you do and it all contributes.
study and practice
Learn to drive.
if you know any good driver request him for a hour.