At what point in the process can private documents be uploaded to IBM Watson Discovery service?

At what point in the process can private documents be uploaded to IBM Watson Discovery service?
A . after creating the environment
B . after creating the collection
C . after uploading sample documents
D . after creating a custom configuration

View Answer

Answer: D

Explanation:

Reference: https://cloud.ibm.com/docs/services/discovery?topic=discovery-kg#kg