MCQ 1 An electronic document that establishes your credentials when you are performing transactions.

(A) Digital code (B) Email (C) OTP (D) Digital Certificate

MCQ 2 In an _____________ cipher, the same key is used by both the sender and the receiver.

(A) Symmetric Key (B) Asymmetric Key (C) Neither A nor B (D) Either A or B

MCQ 3 What is the full form of SMTP?

(A) Simple mail transfer protocol (B) Secure mail transfer protocol (C) Simple mail transport protocol (D) None of these

MCQ 4 Full form of POP is _____________.

(A) Post office protocol (B) Private office protocol (C) Protected office protocol (D) Public office protocol

MCQ 5 In an ____________ ciphert text , a pair of keys is used.

(A) Symmetric Key (B) Asymmetric Key (C) Neither A nor B (D) Either A or B

MCQ 6 A __________ is actually at IETF version of ________________.

(A) SSL, TLS (B) TLS, TTS (C) SSL, SLT (D) TLS, SSL

MCQ 7 Plain text are also called _____________.

(A) cipher-text (B) raw text (C) clear-text (D) encrypted text

MCQ 8 What is the port number of http.

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

MCQ 9 The ________________ has piece of the keyword that has the same length as that of the plaintext.

(A) Block Cipher (B) One-time pad (C) Hash functions (D) Playfair Cipher

MCQ 10 In _____________ a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits.

(A) Hash functions (B) One-time pad (C) Block Cipher (D) Playfair Cipher

MCQ 11 A set of all probable decryption keys are collectively termed as ____________.

(A) key-stack (B) key pack (C) key bunch (D) key space

MCQ 12 Cryptography offers a set of required security services. Which of the following is not among that 4 required security services?

(A) Encryption (B) Message Authentication codes (C) Hash functions (D) Steganography

MCQ 13 IP address 123.23.156.4 belongs to ____________ format.

(A) A class (B) B class (C) C class (D) D class

MCQ 14 An HTTP connection uses port ________________ whereas HTTPS uses port ________________ and invokes SSL.

(A) 40; 80 (B) 60; 620 (C) 80; 443 (D) 620; 80

MCQ 15 ____________ protocol attack is done in the data-link layer.

(A) POP (B) HTTP (C) TCP/IP (D) DNS

MCQ 16 Connection authentication is offered for ensuring that the remote host has the likely Internet Protocol (IP) ___________  and  _____________.

(A) address, name (B) address, location (C) network, name (D) network, location

MCQ 17 Which of the following is not an example or type of phishing?

(A) Spear phishing (B) Whaling (C) Deceptive phishing (D) Monkey in the Middle

MCQ 18 The method of reverting the encrypted text which is known as cipher text to its original form i.e. plain text is known as ________________.

(A) cryptanalysis (B) decryption (C) reverse engineering (D) encryption

MCQ 19 Data integrity gets compromised when ____________ and ____________ are taken control off.

(A) Access control, file deletion (B) Network, system (C) Access control, file permission (D) Network, file permission

MCQ 20 In Playfair cipher, at first, a key table is produced. That key table is a 5 by 5 grid of alphabets which operates as the key to encrypt the plaintext.

(A) Shift Cipher (B) Playfair Cipher (C) Rolling Cipher (D) Block Cipher

MCQ 21 Cookies were originally designed for _______________.

(A) Client-side programming (B) Server-side programming (C) Both Client-side & Server-side programming (D) Web programming

MCQ 22 Full form of PEM.

(A) Privacy Enhanced Mail (B) Public Enhanced Mail (C) Protected Enhanced Mail (D) None of the above

MCQ 23 A set of all probable decryption keys are collectively termed as key space.

(A) True (B) False (C) Can't say (D) None of the above

MCQ 24 In _______________ the plain-text is processed 1-bit at a time & a series of actions is carried out on it for generating one bit of cipher-text.

(A) Block Cipher (B) Stream cipher (C) One-time pad (D) Playfair Cipher

MCQ 25 The Data Encryption Standard (DES) was designed by

(A) Microsost (B) Apple (C) IBM (D) Oracle