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Access Control Systems Flashcards

6 cards from real PSP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which access control system architecture processes authentication decisions at the door-level hardware rather than a central server?

    Answer: Distributed (edge) access control

    Distributed or edge access control systems store access rules locally at the door controller, allowing continued operation even when network connectivity to the central server is lost.

  2. What is 'credential harvesting' in the context of physical access control attacks?

    Answer: Capturing credential data from cards using a concealed reader

    Credential harvesting involves using a covert RFID/NFC reader to skim and copy card data from unsuspecting cardholders, enabling later cloning of the credential.

  3. According to ASIS standards, what is the recommended maximum 'fail-safe' vs 'fail-secure' configuration for fire exit doors?

    Answer: Fail-safe for egress doors, fail-secure for high-security entry doors

    Egress doors must be fail-safe to comply with life-safety codes (unlocking during fire/power loss), while high-security entry doors may be fail-secure to maintain asset protection.

  4. What is the purpose of an 'anti-passback' feature in an access control system?

    Answer: To prevent credential sharing by requiring card-in and card-out sequences

    Anti-passback prevents a credential from being used to enter an area again until it has been properly used to exit, stopping users from passing their cards back to others.

  5. Which door-locking hardware is classified as an 'electrified mortise lock' in access control installations?

    Answer: A full-function lock with an integral motorized latch bolt

    An electrified mortise lock is a full-function mortise lock with a built-in motorized latch or deadbolt, offering high security and full egress capability in a single unit.

  6. In Wiegand access control protocol, which data format is most commonly used in North American installations?

    Answer: 26-bit Wiegand

    The 26-bit Wiegand format is the de facto standard in North American access control installations, though its limited address space has prompted migration to longer formats.

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Sources & references

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  1. asisonline.org — Test delivery, eligibility, passing score, retake policy, score release, test dates, score validity, fees, retake fee, exam information · verified Oct 2026