Which of the following represents a feature of RADIUS authorization?

RADIUS (Remote Authentication Dial-In User Service) authorization is primarily focused on granting or restricting access based on user credentials and policies. The concept of "blanket allowance" signifies that once a user is authenticated, they are permitted to access a range of resources or services without needing to specify granular permissions for each command or action. This approach simplifies the authorization process by allowing predefined access levels for users based on their roles or group memberships.

In contrast, the other options introduce elements that RADIUS does not emphasize as its core functionalities. Granular command control refers to the ability to specify detailed permissions for various commands, which RADIUS does not inherently provide. Detailed user logs indicate comprehensive transaction logging, which is more characteristic of alternative systems and management tools rather than the fundamental design of RADIUS. Finally, while RADIUS configurations can be complex depending on the network environment, there is no inherent characteristic of complexity within RADIUS authorization itself, making "complex configuration requirements" less representative of its core features.

Thus, "blanket allowance" accurately describes a central aspect of RADIUS authorization, highlighting its ability to streamline access controls based on general user roles rather than individual command-level restrictions.