Which of the following statements correctly describes passwords?
A.
They are the least expensive and most secure.
B.
They are the most expensive and least secure.
C.
They are the least expensive and least secure.
D.
They are the most expensive and most secure.
Explanation:
Passwords provides the least amount of protection, but are thecheapest because they do not require extra readers, which are for smart and memorycards, they do not require devices, as in biometrics, and they do not require a lotof overhead in processing, as in cryptography. Passwords are the most common type ofauthentication method used today.