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 using an 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_discovery_basics/wave_get_smart_data_discovery_and_data