A small company, with limited resources, has started to use Marketing Cloud. They have a single master data extension for all of their subscribers. When a subscriber opts-in to receive communications, they will receive a monthly newsletter, weekly promotions, and a birthday email.
How should they manage unsubscribes by communication type?

A marketer created dynamic content for an upcoming campaign that renders unique content based on subscriber attributes. The marketer would like to preview how each email will render for a given list of subscribers.
How should the marketer proceed?

An account has a Subscriber Key enabled, and will be providing a unique key for each subscriber from an external system. A marketer wants to create a data extension for sending email campaigns. What steps would the marketer take when creating the data extension? (Choose 2)

A marketer is designing an email and wants to add extra messaging before the body of the email that will be displayed when an email client previews the message. What would the marketer use?

A marketer is about to introduce content builder to the entire NTO marketing team, which three considerations should the marketing team keep in mind as the begin using the content builder. Choose three answers.