[Q] OBJ output option?

 From:  Momso (DREAM21JUN)
Hi all,

I have 2 questions about OBJ output options in MoI.

#1. What is the main differences in between N-gon, Triangles only and Quads & Triangles?
#2. Which option is faster for render time under the same environment and only difference is output option?

Thank you,