A field value returned from a DE lookup contains a tab-delimited list of values. Which AMPscript function could easily determine if a specific text string exist anywhere in the list?

A developer wants to extract tracking data from the Market Activity in the user interface.
Which option would be available to extract the data"?

A company needs to retrieve a large number of rows from a data extension via the API.
Which two solutions would optimize the performance?
Choose 2 answers

Adeveloper wants to retrieve daily JSON data from a customer's API and write it to a data extension for consumption in Marketing Cloud at a later time.
What set of Server-Side JavaScript activities should the developer use?

Which SSJS library can be used in email messages? Choose 1.