What information from the published library will they need in order to complete the subscription?

An administrator is creating a new Content Library. It will subscribe to another remote Content Library without authentication enabled.
What information from the published library will they need in order to complete the subscription?

A.
Subscription URL

B.
A security password from the publishing Content Library

C.
Publisher’s Items.json file

D.
Username from the publishing Content Library

Explanation:
Explanation/Reference: