Which of the following is the definition of authentication?

(a) provides a stronger cryptographic result with a shorter key.
(b) the process of confirming the identity of a user. also, ensuring that a sender and recipient are who they say they are.
(c) the certificate authority’s list of invalid certificates.
(d) a protocol or an algorithm allowing two users to exchange a secret key over unsecure communications.

B

Explanation:

It is important because authentication process help the companies to protect our data, furthermore it prevents someone from stealing our identity and commiting a felony.

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.