A Marketing Cloud admin is tasked with overhauling the data model for Enterprise. While the current data model is isolated to the email channel and there are plans to expand to both SMS and Push channels in the near future.
Which three data preparations should be made to retain high data quality in the new mode? Choose 3 answers.

What are two possible outcomes when "Send as Multipart MIME" is selected during the send process? Choose 2 answers

Northern Trail Outfitters (NTO) keeps their subscribers in sync with their external database via the import of a CSV file which is dropped to the of Marketing Cloud SFTP each day. However, NTO has realized the number of subscribers being sent emails is considerably lower than the number they were expecting based on records in their database.
Which feature would allow NTO to monitor whether all records were added to the target data structure each day?

A Marketing Cloud admin is asked to append an Urchin Tracking Module (UTM) variable string to links in emails.
What functionality would allow this?

What should be confirmed to ensure Journey Builder directs the subscribers correctly?