usually its just 50 rounds at 3,5, and 7 yards
Commands vary as to how many to load, and you just shoot at the target.
I forget the scoring, its 1,2 and 3 points, but if you hit the body with them you will pass.
Its difficult to fail.
Yes. Most trainers grade to the curve of the crowd, but they do have minimum performance standards and somebody always seems to fail. But the trainers give those folks extra help.