Are Solutions in: Chapter 3: Core Aggregation - Combining - Quiz Lecture: $graphLookup: maxDepth and depthField, correct? And why are not other options correct?
I’m really not sure what you’re asking here, but the answers on the quiz are obviously correct. Check out the $graphLookup documentation here and also specifically notice that the Quiz asks you to mark the options that are incorrect.
Ohh my bad, I didn’t read question carefully 
Sorry for taking Your time David.
Thanks for answer.