Question

____________ cryptography operates on binary-bit series and strings.

(a) Modern

(b) Classic

(c) Traditional

(d) Primitive

This question was addressed to me in quiz.

The origin of the question is Types of Cryptography in chapter Cryptography in Security of Cyber Security

Answer 1

The correct answer is (a) Modern

Easiest explanation: Cryptography can be divided into two types. These are classic cryptography & modern cryptography. Modern cryptography operates on binary-bit series and strings.