Applied Methods and Techniques Flashcards

Which combination is true two-factor authentication?

Answer: A proximity card and a PIN

A card (something you have) plus a PIN (something you know) uses two different factor categories.

For biometric systems, what does a lower crossover error rate (CER) indicate?

Answer: Better overall accuracy

CER is where false accept and false reject rates are equal, and a lower CER means a more accurate system.

Which control is most effective at preventing tailgating into a high-security area?

Answer: An interlocked vestibule (mantrap) or optical turnstile with anti-tailgate detection

Mantraps and anti-tailgate turnstiles physically restrict passage to one authorized person at a time.

What does an anti-passback feature in an access control system prevent?

Answer: A credential from being used to enter again without first logging an exit

Anti-passback stops users from passing a card back to another person for a second entry.

A stairwell door on a required egress path uses an electric lock. Which locking configuration is usually required for life safety?

Answer: Fail-safe, so the door unlocks on power loss

Fail-safe hardware releases when power fails, preserving emergency egress as required by life safety codes.

Which key control measure best prevents unauthorized duplication of keys?

Answer: Using patented or restricted keyways with a controlled key blank supply

Restricted keyways legally and physically limit blank availability, which makes unauthorized copying difficult.

Requiring two authorized individuals to be present for access to a vault applies which security principle?

Answer: Two-person (dual control) rule

Dual control means no single person can access the protected asset alone.