Question: Most biometric systems deployed in real - world applications are unimodal, since they rely on evidence of a single source of information for authentication. Required

Most biometric systems deployed in real-world applications are unimodal, since they
rely on evidence of a single source of information for authentication.
Required
a) Discuss five problems associated with unimodal biometric systems.
b) Discuss how multimodal biometric system can be used to address these problems.

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