Which three activities can be utilized to add records to a data extension in Automation Studio?

The correct answer includes Import Activity, which is specifically designed for adding records to a data extension in Automation Studio. The Import Activity allows users to bring in data from various sources, such as file uploads or other data extensions, and populate designated fields in the target data extension. This makes it an essential tool for updating or adding new entries as part of an automated process.

In the context of Automation Studio, while other activities serve important functions, they are not primarily focused on adding records into a data extension. For instance, Filter Activity is used to segment or filter existing records from a data extension based on specified criteria, rather than adding new records. Similarly, SQL Query Activity allows users to manipulate and query existing records based on SQL language, which may result in creating new records or updating current ones, but it does not directly aggregate data into a data extension like the Import Activity. Data Extract Activity is primarily designed for extracting data from Salesforce Marketing Cloud and does not perform functions related to directly adding records to a data extension either. Therefore, Import Activity stands out as the most direct method for adding records.