SSCP · Question #1207
Your ATM card is a form of two-factor authentication for what reason?
The correct answer is B. It combines something you have with something you know. An ATM card combined with a Personal Identification Number (PIN) serves as two-factor authentication because it requires both a physical item you possess and knowledge you hold.
Question
Your ATM card is a form of two-factor authentication for what reason?
Options
- AIt combines something you are with something you know
- BIt combines something you have with something you know
- CIt combines something you control with something you know
- DIt combines something you are with something you have
How the community answered
(35 responses)- A6% (2)
- B91% (32)
- D3% (1)
Why each option
An ATM card combined with a Personal Identification Number (PIN) serves as two-factor authentication because it requires both a physical item you possess and knowledge you hold.
'Something you are' refers to biometrics (e.g., fingerprint, facial scan), which is not typically associated with a standard ATM card and PIN.
Two-factor authentication (2FA) enhances security by requiring two distinct factors for verification. An ATM card is 'something you have' (possession factor), and the Personal Identification Number (PIN) is 'something you know' (knowledge factor), thus fulfilling the criteria for 2FA.
'Something you control' is not a standard, distinct authentication factor category, although 'something you have' implies control.
This combination would be biometrics and possession, neither of which fully describes the ATM card and PIN scenario.
Concept tested: Two-factor authentication (2FA) factors
Source: https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks
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