Salesforce Certified Marketing Cloud Email Specialist Exam Practice Questions (P. 4)

Northern Trail Outfitters has a Master Customer shared data extension. The company wants to make the table available to some of the business units, but not all of them.
How can access to the Master Customer table be restricted?

Northern Trail Outfitters has a list of Platinum members containing 50,000 subscribers and a Lifetime Member list containing 20,000 subscribers; 7,000 subscribers in the Lifetime Member list also exist in the Platinum Member list.
An email was deployed to the Platinum members, but the marketing team would now like to send the same email to the Lifetime Member list.
Which feature should be used when sending the second email to ensure that the 7,000 subscribers that exist on both lists don't receive the same email twice?

Northern Trail Outfitters' branding guidelines require heavy use of imagery on its website, apps, emails, ads, etc.
In which two ways could they optimize email design to honor branding guidelines and ensure subscribers are getting the best experience possible? (Choose two.)

A marketer is completing a Send Preview based on a pre-deployment checklist.
What task is validated during the Send Preview?

A company has one million subscribers. The company has a Master data extension that contains information about its subscribers, such as Email Address,
Physical Mailing Address, Phone Number, and Loyalty information. There are 40 fields in the data extension. The data is used for multiple daily email campaigns.
How should the data be updated?