Which of the following is a true statement about the Caesar algorithm?

A.
The algorithm is an alphabet and the key is the number of shifts

B.
The algorithm is the number of shifts in an algorithm and the key is the algorithm

C.
It uses a secret word for polyalphabetic encryption

D.
It is another name for the scytale method

Explanation:
In the Caesar algorithm the alphabet serves as the algorithm and the
key is the number of locations that are shifted during the encryption and decryption
process. It is not a polyalphabetic algorithm.