Which type of data extension allows for segmentation based on criteria set by the marketer?

A Filtered Data Extension is designed specifically for segmentation based on criteria defined by the marketer. It allows marketers to create a subset of contacts from a standard data extension by applying specific filters. These filters can include various attributes and criteria, such as demographic information or behavioral data, enabling personalized targeting for campaigns.

Using a filtered data extension, marketers can dynamically adjust the segments based on the conditions they set, ensuring that they reach the most relevant audience for their messaging. This capability is essential for effective email marketing, as it helps to increase engagement and improve overall campaign performance by tailoring content to meet the needs and preferences of specific audience segments.

In contrast, a standard data extension simply stores data without any built-in segmentation logic. A random data extension does not focus on segmentation at all, as it randomly samples records without regard to criteria. A sendable data extension is specialized for sending emails but does not inherently possess the flexibility for segmentation based on marketer-defined criteria.