Which
of the following encryption methods comes under symmetric encryption algorithm? Each correct
answer represents a complete solution. Choose three.

A.
DES

B.
Blowfish

C.
RC5

D.
Diffie-Hellman

Explanation:
DES, blowfish, RC5, RC4, and Rijndael are symmetric encryption algorithms. Symmetric
encryption is a type of encryption that uses a single key
to encrypt and decrypt data. Symmetric encryption algorithms are faster than public key encryption.
Therefore, it is commonly used when a
message sender needs to encrypt a large amount of data. Data Encryption Standard (DES) uses
symmetric encryption key algorithm to
encrypt data.