220-1002 · Question #278
Which of the following are examples of possession authentication? (Choose three.)
The correct answer is A. Key fob B. RFID badge F. Smartphone. Authentication factors fall into three categories: something you know (knowledge), something you have (possession), and something you are (inherence/biometric). A key fob (A), RFID badge (B), and smartphone (F) are all physical objects you carry-they are possession factors. A…
Question
Which of the following are examples of possession authentication? (Choose three.)
Options
- AKey fob
- BRFID badge
- CPassphrase
- DPIN
- EPasswords
- FSmartphone
- GFingerprint reader
How the community answered
(23 responses)- A91% (21)
- C4% (1)
- D4% (1)
Explanation
Authentication factors fall into three categories: something you know (knowledge), something you have (possession), and something you are (inherence/biometric). A key fob (A), RFID badge (B), and smartphone (F) are all physical objects you carry-they are possession factors. A passphrase (C), PIN (D), and password (E) are all knowledge factors because they are memorized secrets. A fingerprint reader (G) is an inherence/biometric factor because it verifies something physically unique about you. On exams, 'possession' always maps to physical tokens or devices.
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