Which three access control methods are examples of "what you have"? (Choose three.)

The correct answer is B. Smart card. The correct answers are B (Smart card), C (Badge with photo), and D (Badge with bar code) - all are physical objects you carry, which defines the "what you have" authentication factor. A smart card contains an embedded chip or magnetic stripe; a photo badge and barcode badge…

Data Center Physical Security

Question

Which three access control methods are examples of "what you have"? (Choose three.)

Options

AFingerprint
BSmart card
CBadge with photo
DBadge with bar code
EPersonal identification number

How the community answered

(62 responses)

A
2% (1)
B
77% (48)
C
6% (4)
D
13% (8)
E
2% (1)

Explanation

The correct answers are B (Smart card), C (Badge with photo), and D (Badge with bar code) - all are physical objects you carry, which defines the "what you have" authentication factor. A smart card contains an embedded chip or magnetic stripe; a photo badge and barcode badge are likewise physical tokens that grant access when presented.

A (Fingerprint) is wrong because it belongs to "what you are" - biometric authentication based on a physical characteristic of your body, not something you carry.

E (PIN) is wrong because it belongs to "what you know" - a memorized secret, not a physical object.

Memory tip: Think of "what you have" as anything you could hand to someone else or lose your wallet with. Smart cards and badges fit perfectly; your fingerprint can't be handed over, and your PIN lives only in your mind.

Topics

#Authentication factors#Access control#Physical tokens#Multi-factor authentication

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