Monoalphabetic Cipher Multiple choice Questions and Answers (MCQs)

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Monoalphabetic Cipher Multiple choice Questions and Answers (MCQs)

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not a type of mono alphabetic cipher?
A
additive cipher
B
multiplicative cipher
C
afffine cipher
D
hill cipher
Question 5 Explanation: 
In mono alphabetic cipher each symbol of plain text is replaced by a particular respective symbol in the cipher text. There are three types of mono alphabetic ciphers- additive, multiplicative and affine.

There are 5 questions to complete.

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