Systems Security Certified Practitioner – SSCP – Question0115 Which of the following biometric devices offers the LOWEST CER? A. Keystroke dynamics B. Voice verification C. Iris scan D. Fingerprint Show Answer Hide Answer Correct 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/biometr…