In validating a disaster recovery plan for Tableau Server, what aspect is critical to assess...

The efficiency and speed of the backup restoration process The efficiency and speed of the backup restoration process are key factors in ensuring minimal downtime during a dis-aster recovery scenario. Quick and efficient restoration means that the Tableau Server can be brought back online promptly, reducing the impact on business operations. Option A is incorrect as the total size of data backups, while impacting storage requirements, does not directly determine the downtime during a recovery. Option B is incorrect because while compatibility is important, it does not directly impact the speed of recovery in a disaster situation. Option D is incorrect as the physical distance between servers can affect certain aspects of disaster recovery planning, but it is not the primary factor in ensuring minimal downtime.