BIOMETRICS UNIT-5

Signature scan is a kind of ___________ Biometric

• Physiological

• Behavioral

• Both Physiological and behavioural

• Its not aBiometric Technology

Which of the following is not measured as a distinctive feature in signature scan?

• Speed

• Total Time

• Stroke order

• Sharpness

Which of the following is one of the prominant application of signature scan?

• Physical Access

• logical Access

• Electronic document authentication

• None of the given

Signature-scan systems consist of acquisition hardware, such as

• pens

• tablets

• local pc and central sserver

• None of the given

employee-facing signature-scan applications such as purchase order authentication,___________________may be preferred;

• local processing

• central processing

• both local and central processing

• None of the given

customer-facing applications, such as retail or banking authentication

_______________ is preferred.

• centralized authentication

• Local procesing

• Local processing and central processing

• None of the given

High-end tablets may have extremely robust _______________

• pressure sensitivity, able to precisely measure changing pen pressure and 

• detect the position of the pen when lifted from the tablet between writing strokes

• Total time it takes for completing the signature

• Inclination

Users with very long signatures are more likely to encounter problems during enrollment and verification because___________

• Lot of behavioral patterns in the data causes they can not replicate the same signature again

• They can not tpe longer signatures

• They forget longer signatures

very short signatures are more prone to____________

• False Acceptance

• False Rejection

• Failure to Enroll

• Ability to verify

Successful system operation requires that users enroll and verify in the _______________

• same environment

• diffent environments

• Environment is not afactor

• None of the given