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CompTIA Security+ study material · question 257 of 611

Which biometric arrangement does NIST prefer, and why?

  1. Local matching, because it removes the need for a physical authenticator
  2. Central comparison, because it allows cross-device use
  3. Local matching on the authenticator as an activation factor
  4. Central comparison, because the template can be protected once
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Answer: C. Local matching on the authenticator as an activation factor

Matching on the device avoids transmitting or centrally storing the biometric, and the device remains the physical factor.

Source: NIST SP 800-63B Rev. 4 (NIST) — SP 800-63B-4 › Permitted Authenticator Types

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