Which file type delimiter is available in the Import Wizard? (Choose 3)

A marketing team wants to create an automation that can take a population, evaluate its subscriber data, and send a series ofemails. The emails received may vary based on each subscriber's engagement with previous emails in the automation.
Which tool should a team with no SQL knowledge or support use?

When does the validation of email address occur when using a data extension?

A marketer at Northern Trail Outfitters feels a subject line suggested by their creative team will not be as effective as the one initially recommended by the product team.
Which two ways should Path Optimizer be configured to select the better subject line?
Choose 2 answers

NTO plans to launch an email campaign. They have two data extensions. The Mountain Manor Campaign Data Extension will contain the sending audience for this campaign and includes fields for Email Address, Full Name, Loyalty Member ID, and Loyalty Member Status. NTO will be using AMPScript to reference data in a second, nonsendable data extension named Loyalty Members. Which field on the he Mountain Manor Campaign Data Extension should be created as the Primary Key to create a unique relationship with the Loyalty Member Profile Data Extension?