Question: When do you use the Knife tool?

1. when you want to cut an object at existing anchor points
2. when you want to cut an object into equal pieces
3. when you want to crop an embedded or linked image
4. when you want to quickly divide an object by drawing closed, freehand paths

Answer: The correct answer of the above question is Option D:when you want to quickly divide an object by drawing closed, freehand paths