For complex data blending and analytics tasks that are resource-intensive Utilizing external services for complex and resource-intensive tasks like data blending and analytics can help in optimizing the performance of the Tableau environment by offloading these demanding processes. Option A is incorrect because basic data visualization tasks are typically well-handled by Tableau Server itself. Option C is incorrect as external services can be beneficial for specific re-source-intensive tasks. Option D is incorrect because using external services for all tasks, regardless of complexity, can be inefficient and unnecessary.