Users need to exchange a shared secret to begin communicating securely. Which of the following
is another name for this symmetric key?

A.
Session Key

B.
Public Key

C.
Private Key

D.
Digital Signature

Explanation:
Symmetric algorithms require both ends of an encrypted message to have the same key and
processing algorithms. Symmetric algorithms generate a secret key that must be protected. A
symmetric key, sometimes referred to as a secret key or private key, is a key that isn’t disclosed to
people who aren’t authorized to use the encryption system.