A Marketing Cloud admin is using the Import Wizard to import data into a non-sendable data extension,but receives an error indicating the import type being used requires a primary key.
Which import type could the admin use instead?

A restaurant supply company captures email subscribers and leads through trade shows. They hold a giveaway at each trade show to entice booth visitors to leave their contact information. In the past, they have used a fishbowl to capture business cards, but need to update this to an online sweepstakes entry vehicle displayed on a mounted tablet.
Individuals should only be allowed to enter once, and the winner will be selected randomly.
All entrants receive a follow-up email after the trade show asking them to confirm their opt-in for a monthly newsletter.
Which two components are appropriate for this solution?
Choose 2 answers

A Marketing Cloud admin wants to create a suppression list for hard-bounced email addresses Where could the details be found?

What is Setup Assistant?

Northern Trail Outfitters (NTO) is concerned about unauthorized API access to their Marketing Cloud account.
Which feature would NTO enable to assist in reducing threats from malicious API attacks?