In a(n) ________ cipher, the same key is used by both the sender and receiver.
A) symmetric-key
B) asymmetric-key
C) either (a) or (b)
D) neither (a) nor (b)
Answer: A
In a(n) ________ cipher, the same key is used by both the sender and receiver.
A) symmetric-key
B) asymmetric-key
C) either (a) or (b)
D) neither (a) nor (b)