Which of the following biometric devices offers the LOWEST CER?

Which of the following biometric devices offers the LOWEST CER?
A .  Keystroke dynamics
B .  Voice verification
C .  Iris scan
D .  Fingerprint

View Answer

Answer: C

Explanation: From most effective (lowest CER) to least effective (highest CER) are:

Iris scan, fingerprint, voice verification, keystroke dynamics. Reference : Shon Harris Aio v3 , Chapter-4 : Access Control , Page : 131 Also see:

http://www.sans.org/reading_room/whitepapers/authentication/biometric-selection-bodyparts-online_139