100+ Cryptography & Network Security MCQ Questions & Answers - 1

Question: 1

The study of encryption method is known as

(A) biometric

(B) cryptography

(C) demography

(D) none of these

Question: 2

Hacking refers to

(A) data deletion without permission

(B) data updation without permission

(C) data access without permission

(D) all of these

Question: 3

Mechanism to protect private network from outside attack is

(A) formatting

(B) digital signature

(C) antivirus

(D) firewall

Question: 4

A digital signature needs a(n) _____ system.

(A) symmetric key

(B) asymmetric key

(C) either a or b

(D) neither a or b

Question: 5

Message _____ means that the data must arrive at the receiver exactly as sent.

(A) authentication

(B) confidentiality

(C) integrity

(D) none of these