How can Bulk Security Changes improve efficiency in Workday?

Bulk Security Changes enhance efficiency in Workday primarily by allowing quick updates for multiple user permissions. This feature enables administrators to make changes to the security settings for a group of users simultaneously, rather than having to update each user's permissions individually. Such a capability significantly reduces the time and effort required to manage user access rights, particularly in large organizations where the volume of updates can be substantial. By streamlining this process, Bulk Security Changes facilitate quicker adjustments to security settings in response to changing organizational needs, thereby promoting overall operational efficiency.

The other options do not support an increase in efficiency. Limiting the number of users that can be updated would complicate the process rather than simplify it. Requiring extensive user training before making changes would slow down implementations instead of speeding them up. Increasing time spent on individual user reviews directly contradicts the goal of efficiency, making it a less favorable approach. Thus, the ability to quickly update permissions for multiple users simultaneously is what truly enhances productivity within the Workday system.