Question: You would like the stats() command to return kilobytes instead of bytes. Which command should you run?

1. `db.vehicle.stats(1024)`
2. `db.vehicle.stats("kilobytes")`
3. `db.vehicle.stats(true)`
4. `db.vehicle.stats("kb")`

Answer: The correct answer of the above question is Option A:`db.vehicle.stats(1024)`