SK0-004 · Question #628
When using multifactor authentication, which of the following describes something you have?
The correct answer is A. An ID card. In multifactor authentication, 'something you have' refers to a physical object a user possesses, such as an ID card or hardware token.
Question
When using multifactor authentication, which of the following describes something you have?
Options
- AAn ID card
- BA PIN
- CA fingerprint
- DAn access list
How the community answered
(32 responses)- A91% (29)
- B3% (1)
- D6% (2)
Why each option
In multifactor authentication, 'something you have' refers to a physical object a user possesses, such as an ID card or hardware token.
An ID card is a physical object that must be in the user's possession to authenticate, making it a classic example of the 'something you have' factor. This factor is distinct because possession of the physical item is required - it cannot be used remotely without the object itself. Smart cards, hardware tokens, and key fobs fall into this same category.
A PIN is memorized knowledge, placing it in the 'something you know' category alongside passwords and passphrases.
A fingerprint is a biological characteristic, placing it in the 'something you are' category of biometric authentication.
An access list is an authorization construct that defines permissions and is not an authentication factor at all.
Concept tested: Multifactor authentication factor categories
Source: https://pages.nist.gov/800-63-3/sp800-63b.html
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