Question: Todd has been asked by the security officer to purchase a counter-basedauthentication system. Which of the following best describes what this type ofsystem is?
A. A biometric system that bases authentication decisions on physical attributes
B. An authentication system that creates one-time passwords that are encrypted with secret keys
C. A biometric system that bases authentication decisions on behavioral attributes
D. An authentication system that uses passphrases that are converted into virtualpasswords

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