What you know, like a password
What you have, like an ATM card
What you look like
All of the above
✅ The correct answer is D.
What you know, like a password, What you have, like an ATM card and What you look like all are ways to prove access rights.
What you know, like a password, What you have, like an ATM card and What you look like all are ways to prove access rights.