A __________ cipher is one that encrypts a digital data stream one bit or one byte at a time.
A)product
B)block
C)key
D)stream

Question

Quizplus · Accepted Answer

A stream cipher encrypts data in a continuous stream, one bit or byte at a time. This is in contrast to a block cipher, which divides data into fixed-size blocks and encrypts each block separately. Therefore, the best choice is D, which describes a stream cipher.

A __________ Cipher Is One That Encrypts a Digital Data