Which of the following methods is the most susceptible to false rejections due to physical injuries to the hand or face?
A. facial scan
B. vascular scan
C. palm or hand scan
D. hand topography scan
B
Explanation: A vascular scan scans the pattern of veins in the user's hand or face. While this method can be a good choice because it is not very intrusive, physical injuries to the hand or face, depending on which the system uses, could cause false rejections.
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