# Monoalphabetic Cipher Multiple choice Questions and Answers (MCQs)

## Click on any option to know the CORRECT ANSWERS

 Question 1
What is the meaning of cipher in cryptography?
 A an algorithm that performs encryption B an algorithm that generates a secret code C an algorithm that performs encryption or decryption D a secret code

Question 1 Explanation:
Cipher is an algorithm for performing encryption or decryption. In cryptography, a set of defined steps are followed to generate ciphers.

 Question 2
Which of the following is a type of traditional cipher?
 A transportation cipher B transposition cipher C transforming cipher D vigenere cipher

Question 2 Explanation:
There are two types of a traditional cipher. First is transposition cipher and the second is substitution cipher.

 Question 3
Which of the following ciphers are created by shuffling the letters of a word?
 A substitution cipher B transposition cipher C vigenere cipher D hill cipher

Question 3 Explanation:
There are two types of traditional ciphers - Transposition and substitution cipher. In transposition cipher the letters of the given data are shuffled in a particular order, fixed by a given rule.

 Question 4
Which of the following is a type of substitution cipher?
 A Mono alphabetic cipher B transposition cipher C transportation cipher D transforming cipher

Question 4 Explanation:
In substitution cipher the plain text is replaced by cipher text according to a fixed rule. There are two types of substitution cipher - Mono alphabetic and Poly alphabetic cipher.

 Question 5
Which of the following is not a type of mono alphabetic cipher?
 A additive cipher B multiplicative cipher C afffine cipher D hill cipher