Which configuration should be utilized for the API user created in Marketing Cloud?

Northern Trail Outfitters has started the process of integrating its Marketing Cloud account and Sales Cloud org through Marketing Cloud Connect.

Which configuration should be utilized for the API user created in Marketing Cloud?
A . API User checkbox is selected, no roles are assigned to user.
B. API User checkbox is selected
Administrator & Marketing Cloud Administrator roles are applied.
C. API User checkbox is deselected, Marketing Cloud Viewer role is applied.
D. API User checkbox is deselected, all available roles are assigned to user.

Answer: B

Explanation:

The API user created in Marketing Cloud for Marketing Cloud Connect should have the API User checkbox selected and the Administrator & Marketing Cloud Administrator roles applied. This ensures that the user has access to all features and functions in Marketing Cloud and can perform API calls between Marketing Cloud and Sales Cloud.

References: https://help.salesforce.com/s/articleView?id=sf.mc_co_create_a_marketing_cloud_api_user.htm&type=5