ECCouncil Certified Ethical Hacker Exam (CEH v11) 312-50v11 Question # 81 Topic 9 Discussion

ECCouncil Certified Ethical Hacker Exam (CEH v11) 312-50v11 Question # 81 Topic 9 Discussion

312-50v11 Exam Topic 9 Question 81 Discussion:
Question #: 81
Topic #: 9

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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