Which two statements about the RC4 algorithm are true? (Choose two.)
A.
The RC4 algorithm is an asymmetric key algorithm.
B.
In the RC4 algorithm, the 40-bit key represents four characters of ASCII code.
C.
The RC4 algorithm is faster in computation than DES.
D.
The RC4 algorithm uses variable-length keys.
E.
The RC4 algorithm cannot be used with wireless encryption protocols.