Top 250+ Solved Information Cyber Security (ICS) MCQ Questions Answer
Q. What is the 4th step in DES Algorithm?
a. key transformation
b. s-box substitution
c. p-box permutation
d. expansion permutation
Q. In AES in which Round Subkeys are Generated from Original key for each round?
a. key expansion
b. initial round
c. finale round
d. none of these
Q. AES stands for?
a. authorized encryption standard
b. advance encryption standard
c. advance encryption strategy
d. none of these
Q. Which of them is type of Cipher?
a. stream cipher
b. block cipher
c. both of them
d. none of these
Q. The message which is not understandable is called as?
a. cipher text
b. plain text
c. hidden text
d. both a & c
Q. The__is a polygraphic substitution cipher based on linear algebra.
a. hill cipher
b. playfair cipher
c. affine cipher
d. none of these
Q. __is the practice of concealing a message within another message,image or file.
a. steganography
b. cryptography
c. cipher
d. receiver
Q. In asymmetric key cryptography, the private key is kept by __________
a. sender
b. receiver
c. sender and receiver
d. none of these
Q. In cryptography the original message before being transform is called
a. simple text
b. plain text
c. empty text
d. filled text
Q. In Asymmetric-Key Cryptography, the two keys, e and d, have a special relationship to
a. other
b. data
c. keys
d. each other