A business computer authenticates a user based on which criteria?

The correct answer lies in understanding the concept of user authentication, which is a critical aspect of computer security. While all the options provided relate to methods of authenticating a user, the term "login" encompasses the broader process of gaining access to a system, which typically includes several elements, such as a username and a password.

The term "login" specifically refers to the action of accessing an account or system by providing the necessary credentials. This can often involve both the username and password together. In contrast, the other options refer to specific methods or means of authentication. For example, a password is merely one component of the login process, while security questions and fingerprints are alternative verification methods that can supplement or replace traditional login credentials.

By focusing on the concept of "login" as it pertains to the entire authentication process, the answer captures the essence of how users typically access systems. Each component, whether it’s a password, security questions, or biometric data like a fingerprint, ultimately supports the login mechanism, but login signifies the overall action necessary to gain entry to the system, making it a broader and more encompassing term in the context of user authentication.