What is the primary goal of user authentication?

• A. To improve system performance
• B. To verify the identity claimed by a system entity
• C. To limit access to authorized users only
• D. To enhance system usability

Answer: (B)

User authentication primarily focuses on verifying the identity claimed by a system entity. This process ensures that the person accessing a system or network is who they say they are, which is crucial for maintaining security and privacy. By confirming identities, organizations can protect sensitive data from unauthorized access and potential breaches. This verification process often involves methods such as passwords, biometric scans, or security tokens.

While limiting access to authorized users is part of the broader context of authentication, the core function is indeed about identity verification. This foundational step allows for the implementation of access controls based on established identities, making it essential for safeguarding information in any secure system. Thus, the emphasis on verifying identity directly ties into the overall goal of enhancing security and ensuring that only those with legitimate access rights can utilize the system.