The key lengths for DES and 3DES, respectively, are:

The key lengths for DES and 3DES, respectively, are:

A.
128 bits and 384 bits

B.
1024 bits and 3072 bits

C.
64 bits and 192 bits

D.
128 bytes and 384 bytes

E.
128 bits and 256 bits

F.
56 bits and 168 bits