Which tool in Teradata helps integrate analytics across various platforms?

The correct answer is Teradata Harmony. This tool is specifically designed to facilitate the integration of analytics across different platforms and environments within the Teradata ecosystem. It provides a unified framework for data scientists, data engineers, and business users to collaborate effectively, streamlining analytics processes and ensuring that insights can be derived from diverse data sources seamlessly. Teradata Harmony supports data integration, governance, and the application of machine learning and advanced analytics, making it a vital component for organizations that aim to leverage analytics comprehensively across their operational landscape.

Other options, while useful in their respective roles, do not focus primarily on integrating analytics across various platforms. For instance, Teradata Active Systems Management is more about managing system performance and monitoring resources, while Teradata Studio serves as a development environment for database management tasks. Listener, although an important component in some contexts, does not directly relate to the integration of analytics across platforms in the same way that Teradata Harmony does.