ISC Exam Questions

A cipher that scrambles letters into different positions is referred to as what?

A cipher that scrambles letters into different positions is referred to as what?

A.
Substitution

B.
Stream

C.
Running key

D.
Transposition

Explanation:
Transposition ciphers use permutation to hide their messages. This is
different than substitution, which substitutes each character or bit for another.
Transposition and substitution are used in many algorithms today.