A. A separate contact is required for each brand where consent is independently managed; the total count of contacts in Marketing Cloud can be larger than the number of individual customers.

B. When multiple brands are operated in a single org, the native relationship between Business, Brand, and Contact object helps distinguish privacy and consent preferences that vary between different brands.

C. Global consent governs all-or-nothing consent settings that should be managed on the Contact object to follow cross-cloud data strategy best practice using the contact ID as the primary key in Marketing Cloud.

D. When a subscriber unsubscribes without following the unsubscribe link provided in the message, the unsubscribe request is sent to Marketing Cloud directly and synchronized to the Salesforce Consent Data Model through Marketing Cloud Connect.