A customer wants to grow the number of subscribers in the account.
Which two methods should the customer employ to acquire new subscribers? (Choose two.)

To make a data extension sendable what must it contain. (Select Two)

Northern Trail Outfitters wants to optimize email engagement.
Which elements could they test using the A/B Test feature?

NTO email teams creating a reusable content block for its deals to run with campaign, NTO will cross promote these campaign in other emails in a single column content area this content will have one Image with text below it, how can the NTO email team create one content area and reuse it across other emails using content builder without writing any custom html.

Northern Train Outfitters needs to ensure that "Valued Customer" appears if no data exists in that field for a subscriber when using a personalization string to display the First_Name field in a data extension. How can the Marketer most easily achieve this during creation of the data extension?