Question

Which of the following is are two types of traditional cipher?

(a) transposition cipher and replacement cipher

(b) transposition cipher and substitution cipher

(c) transforming cipher and substitution cipher

(d) transforming cipher and replacement cipher

I got this question during an internship interview.

This intriguing question originated from Cryptography topic in division Cryptography of Data Structures & Algorithms II

Answer 1

Correct answer is (b) transposition cipher and substitution cipher

For explanation: There are two types of a traditional cipher. First is transposition cipher and the second is substitution cipher.