You can get data into Einstein Discovery:

You can get data into Einstein Discovery:
A . By connecting a USB drive to your laptop
B . By usingan Einstein analytics dataset
C . Only if your database administrator does it for you
D . Only if Salesforce does it for you

Answer: B

Explanation:

https://trailhead.salesforce.com/content/learn/modules/wave_exploration_smart_data_disc overy_basics/wave_get_smart_data_discovery_and_data