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* 1. In contrast to physiological biometrics, which of the following is an example of a behavioral biometric?

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* 2. The five attributes necessary to make a biometric practical are universality, uniqueness, permanence, collectability, and acceptance. Which of the following biometrics is considered the least acceptable?

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* 3. Which of the following biometrics is the least commonly used?

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* 4. The keystroke biometric is:

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* 5. Which of the following design specifications of biometric systems is likely the most difficult to predict?

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* 6. Which of the following authentication protocols is the most widely used today?

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* 7. Which of the following authentication protocols requires pattern recognition/machine learning techniques?

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* 8. For which of the six most widely used biometrics does the sensing device typically distort the pattern that is being sensed?

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* 9. For which of the six most widely used biometrics is there a clear definition of levels of sophistication for impersonation?

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* 10. Which of the six most widely used biometrics has the most existing ubiquitous sensing hardware for applications?

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