MCQ 1 Internet works on _______

(A) packet switching (B) circuit switching (C) both packet switching and circuit switching (D) data switching

MCQ 2 A substitution cipher substitutes one symbol with ______________.

(A) Keys (B) Others (C) Multi Parties (D) Single Party

MCQ 3 A straight permutation cipher or a straight P-box has the same number of inputs as.

(A) Bits (B) Cipher text (C) Outputs (D) Frames

MCQ 4 An electronic document that establishes your credentials when you are performing transactions.

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

MCQ 5 The internet aothorities have recrived the address for ________________.

(A) interanets (B) internets (C) extranets (D) None of the Above

MCQ 6 The design issue of Datalink Layer in OSI Reference Model is

(A) Representation of bits (B) Representation of bits (C) Synchronization of bits (D) Connection control

MCQ 7 __________________ is the process of identifying an individual, usually based on a username and password.

(A) Authentication (B) Either authentication or authorization (C) Authorization (D) Neither authentication nor authorization

MCQ 8 _________________ is the concept that tells us about the replacement of every alphabet by another alphabet and the entire series gets ‘shifted’ by some fixed quantity.

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

MCQ 9 In Cryptography, the original message, before being transformed, is called ____________________.

(A) Simple Text (B) Plain Text (C) Cipher text (D) Empty Text

MCQ 10 In which of the following encryption key is used to encrypt and decrypt the data ?

(A) Asymmetric key (B) Public key (C) Private key (D) Symmetric key

MCQ 11 The Cryptography can provide

(A) entity authentication (B) confidentiality (C) nonrepudiation of messages (D) All of the above

MCQ 12 The Cryptography can provide

(A) entity authentication (B) confidentiality (C) nonrepudiation of messages (D) All of the above

MCQ 13 The procedure to add bits to the last block is termed as _________________.

(A) decryption (B) tuning (C) padding (D) hashing

MCQ 14 Which of the following is not a secured mail transferring methodology?

(A) FTP (B) Mail by PGP (C) POP3 (D) S/MIME

MCQ 15 Which of these is not a proper method of maintaining confidentiality?

(A) Biometric verification (B) ID and password based verification (C) switching off the phone (D) 2-factor authentication

MCQ 16 Plain text are also called _____________.

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

MCQ 17 A cryptosystem is also termed as ______________.

(A) secure system (B) cipher system (C) cipher-text (D) secure algorithm

MCQ 18 Algorithm-Based Phishing was developed in the year ______________.

(A) 1988 (B) 1989 (C) 1990 (D) 1991

MCQ 19 Failed sessions allow brute-force attacks on access credentials. This type of attacks are done in which layer of the OSI model?

(A) Physical layer (B) Data-link Layer (C) Session layer (D) Session layer

MCQ 20 Application layer sends & receives data for particular applications using Hyper Text Transfer Protocol (HTTP), and Simple Mail Transfer Protocol (SMTP).

(A) 1 (B) 0 (C) Can't Say (D) None of the above

MCQ 21 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 22 ____________________ is a mathematical algorithm that produces a unique plain text for a given cipher text along with a decryption key.

(A) Decryption Algorithm (B) Encryption Algorithm (C) Tuning Algorithm (D) Hashing Algorithm

MCQ 23 Conventional cryptography is also known as _____________ or symmetric-key encryption.

(A) secret-key (B) public key (C) protected key (D) primary key

MCQ 24 ___________________ is the process of giving individuals access to system objects based on their identity.

(A) Authentication (B) Authorization (C) Neither congestion control nor quality of service (D) Either authentication or authorization

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

(A) Intel (B) IBM (C) HP (D) Sony