A local craft store is implementing the Marketing Cloud and will be using Lists to store their subscriber data.
Which two types
of data can subscribers easily update via the default Profile Center? Choose 2 answers

In order to import into an data extension using "add" or "update" command what must it contain?

A marketer wants to send the same email with the same send properties in several automation. Which activity should be created within Automation studio?

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?

A marketing team wants to narrow down a customer population of several billion subscribers based on e commerce order detail's and rapidly explore the data to find appropriate segments
,what tool should the marketing team use