ECCouncil Certified Ethical Hacker Exam (CEHv12) 312-50v12 Question # 77 Topic 8 Discussion

ECCouncil Certified Ethical Hacker Exam (CEHv12) 312-50v12 Question # 77 Topic 8 Discussion

312-50v12 Exam Topic 8 Question 77 Discussion:
Question #: 77
Topic #: 8

Todd has been asked by the security officer to purchase a counter-based authentication system. Which of the following best describes this type of system?


A.

A biometric system that bases authentication decisions on behavioral attributes.


B.

A biometric system that bases authentication decisions on physical attributes.


C.

An authentication system that creates one-time passwords that are encrypted with secret keys.


D.

An authentication system that uses passphrases that are converted into virtual passwords.


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