Which authentication practice is being used when an organization requires a photo on a government-issued identification card to validate an in-person credit card purchase?
I agree. Requiring a photo on a government-issued ID card is a form of possession factor authentication because it verifies something the person possesses (in this case, an official ID) to validate their identity. Possession factor authentication is based on an item the individual physically holds, which can help confirm their identity during transactions.
B is definitely not the right answer. It's MFA - Something you are (in-person) and something you have (govt ID card). Knowledge-based is something you know, like a password.
Why is this knowledge based? Knowledge based is something you know. An ID card with your photo on it should surely be something you have, therefor possession based?
Knowledge-based credential authentication is correct, because it use for validate, it is not for registering new account
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