BIOMETRICS UNIT-V

Which of the following are not considered as distinctive features in Hand Scan

• Length of the hand

• width of fingers

• bone structure

• palm print

How many times the user has to place their hand to enroll with the hand scan device?

• 3 Times

• 1 Time

• 20 times

• 10 Times

The approximate time that takes for enrollment and verification in the hand scan device respectively

• 5 sec for verification

  1 sec for enrollment

• 1 sec for verification

  5 sec for enrollment

• 2 sec for verification

  3 sec for enrollment

• 3 sec for verification

  5 sec for enrollment

The problem area while hand is misaligned will be prompted to the user by_________

• LED's under the surface will indicates

• Infrared imaging helps in identifying problem area

• User will be rejected if he/she mis alighns hand

• Hand scan device will not work and the user will be locked

Hand scan device can not enroll/verify if the users are having_____________

• Eye diseases

• Throat problems

• Arthritis and small hands

• Facial makeup

The size of the hand scan template is approximately

• 9 Bytes

• 90 Bytes

• 19 Bytes

• 96 Bytes

Retina Scan Technology mostaly suited for providing

• Physical Access

• Logical access

• Both physical and logical

• Not suited for both Physical and Logical

Retina-scan systems are self-contained. Means?

• All the functionalities can be performed in the single retina device itself

• All the functionalities can be distributed across device, local PC and central server

• Local PC performs all the functionalities

• Central server performs all the tasks

The acquisition of a single retina image takes ________ approximately under ideal conditions

• 4 to 5 seconds

• 1 to 2 seconds

• 10 to 20 seconds

• 15 to 20 seconds

During retina image enrollment, how many acceptable images must beacquired?

• 3 to 5

• 1 to 2

• 6 to 8

• 10 to 15