Apple Senior ML interview

I have an onsite interview with Apple for the Senior ML Engineer position. My recruiters mentioned that there will be one round focused on distributed systems/architecture. Does anyone have any tips on how to prepare for this round, since I have very limited experience with distributed systems?

Walmart ixDp26 Apr 16

In the same boat I was told for onsite 1 coding 1 capacity planning design 1 distributed sw design 1 ml sys design Seems like a far reach who’s exp is mainly in ML.. looking up some youtube videos