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What is the correct answer?

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Which of the following is not a principle of data security?

A. Data Confidentiality

B. Data Integrity

C. Authentication

D. None of the above

Correct Answer :

D. None of the above


All the first three options are the principles of data security. None of the mentioned characteristics fall apart form these principles. Therefore, the correct answer is none of the above.

Related Questions

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The process of decryption of an AES ciphertext is similar to the encryption process in the ______.

A. Reverse order

B. Next order

C. Both A and B

D. All of the mentioned above

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4

Block ciphers accumulate symbols in a message of a ______.

A. Fixed size

B. Variable

C. Integration

D. All of the mentioned above

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In the AES-128 algorithm there are mainly __________ similar rounds and _________ round is different from other round.

A. 5 similar rounds having 2 pair ; every alternate

B. 9 ; the last

C. 8 ; the first and last

D. 10 ; no

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Conventional cryptography also known as ... encryption.

A. asymmetric-key

B. logical-key

C. symmetric-key

D. None of these

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_____ and encryption is two separate cryptographic processes.

A. Hashing

B. Decryption

C. Processing

D. None of the mentioned above

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Basically, in SHA-512, the message is divided into blocks of size ___ bits for the hash computation.

A. 1024

B. 512

C. 256

D. 1248

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The Hash Function takes an input of arbitrary length and converts it into a fixed length output.Which of the following names can we use for denoting the output of the hash function?

A. Hash value

B. Hash Code

C. Message Digest

D. All of the above

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4

Which two principles of quantum mechanics on which quantum cryptography are dependent?

A. Heisenberg Uncertainty Principle and Photon Polarization Principle.

B. Fundamental Principle and Bohr's Model Principle

C. Momentum Principle and Photons Principle

D. Planck's Principle and Fundamental Principle

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4

Which of the following ciphers uses asymmetric key cryptography?

A. Rail Fence Cipher

B. Data Encryption Standard (DES)

C. Diffie Hellman Cipher

D. None of the above

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4

Amongst which of the following is/ are showing the goodness of electronic code book,

A. Parallel encryption of blocks of bits is possible

B. It is a faster way of encryption.

C. Simple way of the block cipher.

D. All of the mentioned above

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4

How many sub-keys in the total are used by the IDEA for encrypting the plain text into ciphertext?

A. 64 sub- keys

B. 48 sub- keys

C. 52 sub- keys

D. Only one key and no subkeys

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4

What is the full-form of RSA in the RSA encryption technique?

A. Round Security Algorithm

B. Rivest, Shamir, Adleman

C. Robert, Shamir, Addie

D. None of the above

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4

Which one of the following algorithms is not used in asymmetric-key cryptography?

A. DSA algorithm

B. Electronic code book algorithm

C. Diffie-Hellman algorithm

D. RSA algorithm

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4

Cipher in cryptography is

A. Encrypted message

B. Algorithm for performing encryption and decryption

C. Both algorithm for performing encryption and decryption and encrypted message

D. Decrypted message

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4

Which of the following is the main disadvantage of the ECB (Electronic Code Book)?orWhich of the following is the major drawback of ECB?

A. It requires large block size

B. Padding is done to make the plain text divisible into blocks of fixed size

C. It is prone to cryptanalysis since there is a direct relationship between plain text and cipher text.

D. None of the above

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4

Cipher Feedback Mode is given as feedback to the ____ of encryption with some new specifications.

A. Next block

B. Previous block

C. Middle block

D. All of the mentioned above

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4

Post-Quantum Cryptography is a classical cryptographic scheme that is conjectured to be secure against ____.

A. Quantum adversaries

B. Quantum integration

C. Quantum hash

D. None of the mentioned above

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4

Among the following given options, chose the strongest encryption technique?

A. DES ( Data Encryption Standard)

B. Double DES

C. Triple DES

D. AES (Advance Encryption Standard)

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4

Which of the following cannot be chosen as a key in the Caesar cipher?

A. An integer

B. An alphabet (A-Z or a-z)

C. A string

D. None of the above

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4

The number of rounds in the AES algorithm depends upon the key size being used.Which among the following shows a correct relation between the size of the key used and the number of rounds performed in the AES algorithm?

A. 128 key size: 10 rounds

B. 192 key size: 12 rounds

C. 256 key size: 14 rounds

D. All of the above

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4

A hash function is a _____ that converts a numerical input value into another compressed numerical value.

A. Abstract view

B. Mathematical function

C. Both A and B

D. None of the mentioned above

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4

Which of the following options is not correct according to the definition of the Hash Function?

A. Hash Functions are mathematical functions

B. They compress the input values

C. The hash functions work on arbitrary length input but produces fixed length output.

D. None of the above

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4

Which of the following options is not correct according to the definition of the Cipher Block Chaining (CBC)?

A. CBC is a mode of operation for stream ciphers.

B. Initialization vector (IV) is used in CBC in the initial phase.

C. It has better resistive nature towards cryptanalysis than ECB

D. None of the above

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4

____ is the message or data that can be readable by the sender.

A. Edited

B. Main Text

C. Plain text

D. All of the mentioned above

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4

Which of the following is a mode of operation for the Block ciphers in cryptography?

A. Electronic Code Book (ECB)

B. Cipher Block Chaining (CBC)

C. Counter (CTR) mode

D. All of the above

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4

When do we compare the AES with DES, which of the following functions from DES does not have an equivalent AES function in cryptography?

A. f function

B. permutation p

C. swapping of halves

D. xor of subkey with function f

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RSA algorithm is ____ cryptography algorithm.

A. Systematic

B. Symmetric

C. Asymmetric

D. None of the mentioned above

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4

The Data Encryption Standard (DES) is an example of a ...

A. Conventional cryptosystem

B. Asymmetric cryptosystem

C. Caesar's cryptosystem

D. All of these

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4

Amongst which of the following is/ are true with reference to step-by-step breakdown of the process of quantum cryptography,

A. The sender sends a photon through a polarizer with randomly assigned polarizations and bit assignment

B. Photon uses a beam splitter that can be horizontal, vertical, or diagonal to decode or read the polarization of each photon

C. Receiver tells the sender the random assignments of a beam splitter for each photon in the same sequence it was sent

D. All of the mentioned above

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Digital Signatures authenticates the sender by appending the original message with the ____ digest.

A. Decrypted message

B. Encrypted message

C. Systematic approach

D. None of the mentioned above