What mechanism can administrators use to enforce sharing policies in ArcGIS Online?

Utilizing organizational settings for content sharing is a crucial mechanism for administrators looking to enforce sharing policies in ArcGIS Online. By configuring these settings, administrators can define how content is shared among users within the organization and externally to the public or specific groups. This includes setting default sharing levels for items and enforcing rules that govern who can view or access different types of content.

Through these organizational settings, administrators can ensure consistency in sharing practices across all users, helping to maintain data privacy and compliance with organizational policies. For example, an organization might choose to restrict certain sensitive data from being shared outside of the organization while allowing other less sensitive data to be public. This level of control is essential for managing an organization's content effectively and safeguarding critical information.

The other options do not directly pertain to enforcing sharing policies in a structured and systematic way. User feedback forms are useful for gathering opinions but do not influence sharing policies. Restricting administration access is more about security and does not impact sharing practices. Monitoring social media interactions, while potentially valuable for outreach and feedback, does not relate to enforcing internal content sharing policies within ArcGIS Online.