MCQ 1 One security protocol for the email system is ________________.

(A) IPSec (B) SSL (C) PGP (D) None of the Above

MCQ 2 Who provide us internet?

(A) TCP (B) ISP (C) FTP (D) FTP

MCQ 3 Which is not the requirement of internet.

(A) Operating System (B) Web browser (C) DOS (D) Modem

MCQ 4 In which method we can connect to internet protocol.

(A) Dial up (B) SLIP (C) PPP (D) All of the above

MCQ 5 Which is not the browser?

(A) Internet Explorer (B) Opera (C) Mozila (D) Google

MCQ 6 The port number of SMTP (Simple mail transfer protocol) is.

(A) 21 (B) 23 (C) 25 (D) 80

MCQ 7 DES (Data Encryption Standard) follows.

(A) Feistel Cipher Structure (B) Caesars Cipher (C) Hash Algorithm (D) SP Networks

MCQ 8 In the SSL Protocol, each upper layer message if fragmented into a maximum of _______________ bytes.

(A) 2¹⁶ (B) 2³² (C) 2¹⁴ (D) 2¹²

MCQ 9 An ____________ algorithm transforms plain text to cipher text

(A) description (B) encryption (C) Both A and B (D) None of the above

MCQ 10 Which can be divided into monoalphabetic and polyalphabetic.

(A) Transportion technique (B) Substitution Technique (C) Both A and B (D) Either A or B

MCQ 11 If the sender and receiver use different keys, the system is referred to as conventional cipher system.

(A) True (B) False (C) Cant say (D) None of the above

MCQ 12 Which class for IP is used in smaller organizations.

(A) Class A (B) Class B (C) Class C (D) Class D

MCQ 13 The ______________ is the message after transformation.

(A) cipher text (B) plain text (C) secure text (D) None of the above

MCQ 14 An example of a layer that is absent in broadcast networks is _____________.

(A) Physical layer (B) Presentation layer (C) Application layer (D) Network layer

MCQ 15 Which is not the server side programming language.

(A) JSP (B) ASP (C) Javascript (D) PHP

MCQ 16 _______________ can retrive application data from application layer protocol, but the protocol is normally HTTP.

(A) TLS (B) SSL (C) Either A or B (D) Both A and B

MCQ 17 _____________ is widely used today for protecting data in transit in a variety of applications such as data transfer on the Internet.

(A) Architectural security (B) Internet Security (C) Data mining (D) Encryption

MCQ 18 An encryption technique with 2 keys is ______________.

(A) Monoalphabetic Cipher (B) Cryptography (C) Private key cryptography (D) Public key cryptography

MCQ 19 The maximum payload of a TCP segment is :

(A) 65535 (B) 65515 (C) 65475 (D) 65495

MCQ 20 Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to 'ensure correct re-composition from end to end of the network?'

(A) Physical (B) Data-link (C) Transport (D) Application

MCQ 21 Which of the protocol is not used in the network layer of the TCP/IP model?

(A) ICMP (B) IP (C) IGMP (D) HTTP

MCQ 22 A message COMPUTERNETWORK encrypted using columnar transposition cipher with a key LAYER. The encrypted message is

(A) CTTOEWMROPNRUEK (B) MROUEKCTTPNROEW (C) OEWPNRCTTUEKMRO (D) UEKPNRMROOEWCTT

MCQ 23 TCP/IP is extensively used model for the World Wide Web for providing network communications which are composed of 4 layers that work together.

(A) 1 (B) 0 (C) 2 (D) 4

MCQ 24 S/MIME is abbreviated as __________________.

(A) Secure/Multimedia Internet Mailing Extensions (B) Secure/Multipurpose Internet Mailing Extensions (C) Secure/Multimedia Internet Mail Extensions (D) Secure/Multipurpose Internet Mail Extensions

MCQ 25 In Asymmetric-Key Cryptography, the two keys, e and d, have a special relationship to.

(A) Others (B) Each other (C) Keys (D) Data