Cryptography and Network Security Question Bank with Answers - 1

Question: 1

DES means

(A) Data Encoding Scheme

(B) Digital Encryption Standard

(C) Data Encryption Standard

(D) None of these

Question: 2

Which of the following is not a security mechanism?

(A) Access control

(B) Digital signature

(C) Encryption

(D) All of these

Question: 3

Mechanism to protect private network from outside attack is

(A) Antivirus

(B) Digital signature

(C) Formatting

(D) Firewall

Question: 4

Firewalls operate by ______

(A) Screening packets to/from the network and provide controllable filtering of network traffic

(B) Isolating intranet from extranet

(C) The pre-purchase phase

(D) None of these

Question: 5

Which IPSec specification document issued an overview of security architecture?

(A) RFC 2401

(B) RFC 2402

(C) RFC 2403

(D) RFC 3401