a. Mention the drawback of Mono alphabetic cipher. b. Which Cipher is used to resolve the issue with Mono alphabetic Cipher? c. Answer the above questions with the help of an example in which you need...

a. Mention the drawback of Mono alphabetic cipher.

b. Which Cipher is used to resolve the issue with Mono alphabetic Cipher?

c. Answer the above questions with the help of an example in which you need to suppose a cipher text and plain text by yourself to elaborate the problem and solution.

NOTE: Part C required only