Which two implications should a Solution Architect consider if Marketing Cloud Connect is to be used for cloud integration?

A financial services company wants to implement Service Cloud and Marketing Cloud. A number of profile attributes required for personalization in Marketing Cloud were identified as personally identifiable information (PII) and are too sensitive to be stored in Salesforce.

Tokenized Sending was presented as a way to address these concerns.

Which two implications should a Solution Architect consider if Marketing Cloud Connect is to be used for cloud integration? Choose 2 answers
A . The synchronized data extensions will include the token and all PII attributes
B . All emails will need to be sent through Marketing Cloud or Marketing Cloud Connect to avoid disruptions
C . The standard email address field for contacts and leads needs to be populated with a token
D . The token with all supporting attributes will need to be stored in Service Cloud

Answer: A,B