Using Tableau Server's built-in local identity store for simplicity and ease of management For a small startup with limited resources, using Tableau Server's built-in local identity store offers a simple and manageable solution, avoiding the complexity and cost of more advanced systems. Option A is incorrect as a complex LDAP system might be too resource-intensive for a small startup. Option C is incorrect because integrating with an external enterprise-level provider might be unnecessary and costly for a small team. Option D is incorrect because requiring separate credentials can lead to inefficient user management and a poor user experience.