What process is used by Ask Data to index data in Tableau?

The correct answer is that Ask Data uses the Elastic Server to index data in Tableau. The Elastic Server is designed to handle natural language queries by processing and indexing data from various sources, making it easier for users to interact with their data through conversational interfaces. This server enhances the speed and accuracy of queries by creating an index that optimizes search and retrieval, allowing users to gain insights quickly and intuitively.

In the context of Tableau, this capability is crucial because it simplifies the user experience, enabling individuals without deep technical knowledge to engage with their data effectively. Rather than relying on traditional methods of querying, which may require complex SQL knowledge, Ask Data allows users to ask questions in natural language, streamlining the process of data exploration and analysis.

Other options are part of Tableau’s architecture but serve different purposes. The Backgrounder is responsible for running scheduled tasks and data refreshes, the Cache Server is used to store query results for faster access, and the Data Server acts as a conduit for data processing and management, but none of these specifically index data for natural language processing like the Elastic Server does.