What setting is controlled by a user's profile?

A user's profile plays a crucial role in defining their permissions and access within Salesforce. One of the key settings managed by a profile is field-level security, which determines the visibility and editability of specific fields on objects for users associated with that profile. By setting field-level security, administrators can ensure that sensitive information is only accessible to those users who need it for their roles, thereby enhancing data security and compliance with organizational policies.

In contrast, while user-specific notifications may incorporate preferences unique to individual users, these settings are typically managed directly within the user’s settings rather than through their profile. Record ownership is determined by the data sharing and ownership model, rather than a profile setting, since ownership is generally based on user assignment at the record level. API access is linked to permission sets or the organization-wide settings rather than strictly governed by a user's profile.

Thus, field-level security stands out as the setting managed within a user's profile, underscoring the importance of this feature in establishing a secure and efficient workflow for users in Salesforce.