Operating System Protection Questions and Answers

Multiple Choice Questions and Answers

Question 1 : The main goal of protection is to

(a) Prevent accidental and intentional behavior
(b) Implementing multiprogramming
(c) Protect deadlocks
(d) None of the above

Answer : (a)

Question 2 : The process of conversion of plaintext to ciphertext is known as

(a) Encryption
(b) Decryption
(c) Hash function
(d) None of the above

Answer : ()

Question 3 : The art of devising ciphers is called as

(a) Message digest
(b) Hash functions
(c) Cryptography
(d) None of the above

Answer : (c)

Question 4 : DES stands for

(a) Digital Equipment Standard
(b) Data Encryption Standard
(c) Domain Encryption Security
(d) None of the above

Answer : (b)

Question 5 : Hash functions are used to produce the message digests which are then encrypted with a private key to get

(a) Cipher text
(b) Digital Signature
(c) Public Key
(d) None of the above

Answer : (b)

Operating System Questions and Answers