Which element related to connected apps allows revocation of access without difficulty?

The element related to connected apps that allows for revocation of access without difficulty is the capability for easy revocation of connected app access. This feature is essential in managing security and access within Salesforce. When access needs to be revoked for a user or application, having a streamlined process in place ensures that the organization can protect sensitive data and maintain control over who has access to various resources.

The architecture of connected apps in Salesforce is designed to facilitate quick revocation processes, which enhances overall security. Administrators can manage access from a central location, making it straightforward to disable or remove permissions granted to a connected app when necessary. This capability is critical in scenarios where user roles change, or when a connected application is no longer needed or considered secure.

Other options imply important features and controls; however, they do not focus on the ease of access revocation as directly as this capability does. For example, user-to-user token management pertains to token exchange among users rather than access control, while automatic session expiration deals with time-limited access rather than revocation per se. Standardized OAuth implementation signifies that the application follows a recognized protocol for authorization but does not specifically address the ability to revoke access easily.