Certification Aid wants to add new customers to a cross-channel welcome campaign when they register on the company website. Which API should be used for this? Choose 1.

A developer wants to populate a data extension with information about all emails deployed in the last seven days. The data extension needs to contain JobID, EventDate, and the counts of how many emails were sent with each JobID.
Which data view is required to gather this information?

A developer created a landing page in CloudPages which return unique content when subscriber data is located on a related data extension. The developer does not know if all subscribers have rows in the related data extension, and want default content to render if no subscriber data is found on the related data extension.
Which best practice should the developer follow to control the unique and default content?

A developer created an email using the fasubjectLine variable as the subject line. Due to revisions, the developer declared <>subjectLine in multiple locations throughout the email, including:

Which subject line will be used at the time of deployment?

Certification Aid wants to import an encrypted CSV file from the Marketing Cloud Enhanced FTP server. Which two File Transfer activities are needed to achieve this? Choose 2.