They in form of credit card-size memory cards or smart cards, or those resembling small calculators,
are used to supply static and dynamic passwords are called?

A.
Token Ring

B.
Tokens

C.
Token passing networks

D.
Coupons

Explanation:
Tokens are usually used to provide authentication through “What we have”, is most commonly
implemented to provide two-factor authentication. For example, SecurID requires two pieces of
information, a password and a token. The token is usually generated by the SecurID token – a small
electronic device that users keep with them that display a new number every 60 seconds. Combining
this number with the users password allows the SecurID server to determine whatever or not the
user should be granted access.