It's essential to demonstrate that you can really go deep... there are plenty of followup questions and (sometimes tangential) angles to explore. There's a lot of Data Scientist experts who've worked at Credit Karma, who provide this sort of practice through mock interviews. There's a whole list of them curated on Prepfully. prepfully.com/practice-interviews

I was not specific at all and I advocate that these functions are similar in many points and would have different approaches in different companies