A way to improve on the simple monoalphabetic technique is to use different monoalphabetic substitutions as one proceeds through the plaintext
Message.the general name for this approach is ___________ .
A) rail fence cipher
B) cryptanalysis
C) polyalphabetic substitution cipher
D) polyanalysis cipher

Question

Quizplus · Accepted Answer

The polyalphabetic substitution cipher uses multiple substitution alphabets to encrypt the plaintext, making it more secure than a simple monoalphabetic cipher.

A Way to Improve on the Simple Monoalphabetic Technique Is