Physical (Environmental) Security

Questions derived from the CISSP – CISSP ISC2 Self-Test Software Practice Test.

Objective: Physical (Environmental) Security
SubObjective: Support the implementation and operation of operations/facility security

Item Number: CISSP.8.4.18
Single Answer, Multiple Choice

Which characteristic is NOT evaluated by the biometric system performing a hand geometry scan?

  1. Ridge endings
  2. Width of the hand
  3. Width of the fingers
  4. Length of the fingers

A. Ridge endings

A biometric system performing a hand geometry scan will not evaluate the ridge endings on fingers. Ridge endings and bifurcations on fingers are evaluated by a fingerprint scan biometric system and not by a hand geometry scan biometric system.

A biometric system performing a hand geometry scan will identify characteristics, such as the shape of a person’s hand and the length and width of the fingers and the hand, to authenticate a user. The system compares the attributes provided by a user to the reference records that were gathered during the enrollment phase. If the attributes match, the user is granted access. Hand geometry scan-based biometric systems can either use the mechanical or the image detection technique to authenticate user credentials. Both of the methods verify hand attributes of a user for authentication purposes.

CISSP All-in-One Exam Guide, Chapter 4: Access Control, Hand Geometry, p. 134.

Official (ISC)2 Guide to the CISSP Exam, Chapter 3: Access Control Systems and Methodology, Types of Biometric Devices, pp. 181-184.

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