In the authentication phase, what is verified?

In the authentication phase, the primary goal is to verify a person's claim of identity. This process ensures that the individual requesting access to a system is indeed who they say they are. This can involve various methods, such as password entry, biometric verification, or two-factor authentication. It's a critical step in maintaining security as it protects against unauthorized access and ensures that sensitive information and resources remain safeguarded from individuals who do not have permission.

Other options relate to different aspects of security or system performance but do not pertain directly to the authentication process. For instance, verifying the system's operating efficiency involves assessing how well the system is performing but does not relate to confirming user identities. Likewise, checking a user's internet speed is about network performance, not about authentication. Lastly, ensuring the integrity of the system's database is an essential security measure but focuses more on data protection rather than identity verification. Thus, the correct aspect addressed in the authentication phase is indeed the verification of the individual's claim of identity.