Discrete Mathematics Ciphers Online Exam Quiz

Discrete Mathematics Ciphers GK Quiz. Question and Answers related to Discrete Mathematics Ciphers. MCQ (Multiple Choice Questions with answers about Discrete Mathematics Ciphers

Suppose in order to get a message across enemy lines, we need to choose an initial secret key say, 100110. What will be the decrypted cipher when the original message is 010010011.

Options

A : 110100

B : 1001011

C : 0011010

D : 011011

View Answer

What is the block size of blowfish block cipher?

Options

A : 64 bits

B : 128 bits

C : 1043 bits

D : 10 bits

View Answer

How many bits are there for random bits and error detection bits in the case of DES block ciphers?

Options

A : 72, 1024

B : 56, 8

C : 104, 45

D : 32, 198

View Answer

_______ is an example of asymmetric ciphers.

Options

A : Block cipher

B : RSA encryption

C : AES encryption

D : Advanced cryptology

View Answer

Electronic Code Book process is used in ________

Options

A : caesar cipher

B : antisymmetric cipher

C : block cipher

D : stream cipher

View Answer

What are the steps in the Feistel function?

Options

A : expansion, mixing, substitution, permutation

B : extract, transform, load

C : extract, load, transform

D : expansion, divide, mixing, permutation

View Answer

In which cipher each letter of the plaintext is substituted by any other letter to form the cipher message?

Options

A : Shift cipher

B : DES encryption

C : Block cipher

D : AES encryption

View Answer

______ uses the concept of pseudo-random sequence.

Options

A : Stream cipher

B : DES encryption

C : Caesar cipher

D : Block cipher

View Answer

What type of algorithm does AES encryption use?

Options

A : Stream cipher

B : Symmetric block cipher

C : Asymmetric caesar cipher

D : DES encryption

View Answer

There is no secret key in case of ____________

Options

A : Symmetric ciphers

B : Asymmetric ciphers

C : RSA encryption

D : Alpha-numeric cryptography

View Answer

Chemical Engineering Basics - Part 1 more Online Exam Quiz

Discrete Mathematics Bipartite Graphs

Discrete Mathematics Boolean Algebra

Discrete Mathematics Boolean Functions

Discrete Mathematics Burnside Theorem

Discrete Mathematics Campus Interviews

Discrete Mathematics Circular Permutations

Discrete Mathematics Closure Associativity

Discrete Mathematics Closure Relations

Discrete Mathematics Combinations

Discrete Mathematics Cosets