In ________ encryption all authorized persons involved, have to exchange the key used to encrypt the data before they can decrypt it.
A. Symmetric Key
B. Public Key
C. Either A and B
D. None of these
Answer:A
In ________ encryption all authorized persons involved, have to exchange the key used to encrypt the data before they can decrypt it.
A. Symmetric Key B. Public Key C. Either A and B D. None of these