# SSCP — Question 428

**Type:** multiple_choice
**Topics:** topic_1

## Question

Which of the following biometric devices offers the LOWEST CER?

## Correct Answer

_See scenario._

## 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-body-parts-online_139

**Reference:** examtopics_answer_description

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Source: https://hiexam.net/q/isc/SSCP/428  
Practice (tracked): https://hiexam.net/study/SSCP/practice