A Marketing Cloud admin at Northern Trail Outfitters (NTO) is exploring whether they need to separate their brands into separate business units.
When should the admin create separate business units for each of NTO's brands?

A Marketing Cloud admin is configuring the Marketing Cloud data model for the first time. Journey Builder with of messages being sent to customers, based on if there has been an order or not. There are two existing data model Orders:
- Customers contains information about subscribers including Email Address, First Name, Last name.
- Orders contains information about the orders and includes the unique identifier of the customer In which two ways should the admin configure Data Designer to allow this data to be used within a Journey?
Choose 2 answers

A large retail company has selected Marketing Cloud and has asked to be fully migrated from their existing platform in three weeks. They have communicated the following: They currently have 3 million customers. They email customers twice a week with no known deliverability issues. Their contract includes one Sender Authentication Package (SAP).
Which two responses articulate proper IP warming? Choose 2 answers

A Marketing Cloud admin runs the Contacts Counts report and sees there are currently 500,000 contacts in their account. They have a total of 300,000 email subscribers, 200,000 synchronized contacts, and 75,000 mobile subscribers.
Why would the total contact count be less than the total number of contacts from all data sources?

A customer team wants to retarget subscribers who click on links of key items promoted across email campaigns. The customer has indicated the following:
* Emails will be built using a custom dynamic template for these messages.
* Links will vary over time and across campaigns.
* Click activity will be cross-referenced with subscribers' regional markets on a master subscriber data extension.
* Retargeting messages will dynamically populate content based on regional market.
In order for this solution to be viable, which skill set does the customer team need to possess?