When a user is scanned a second time, the reader in a biometric authentication system processes the $\_\_\_\_\_\_\_\_$ information to create key features.

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When a user is scanned a second time, the reader in a biometric authentication system processes the $\_\_\_\_\_\_\_\_$ information to create key features.

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a$)$ user access data

b$)$ supplicant scanning

c$)$ acceptance

d$)$ match index