Which of the following is a mono alphabetic substitution cipher?

A

vigenere cipher

B

one time pad cipher

C

play fair cipher

D

atbash cipher

Which of the following is a mono alphabetic substitution cipher? Correct Answer atbash cipher

Atbash cipher is the only mono alphabetic substitution cipher out of the given options. All the remaining options fall under the category of poly alphabetic cipher.

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Related MCQ's

Poly alphabetic cipher harder to decipher than mono alphabetic cipher.

A

true

B

false

Caesar cipher was a mono alphabetic cipher.

A

True

B

False

Which of the following is not a type of mono alphabetic cipher?

A

additive cipher

B

multiplicative cipher

C

afffine cipher

D

hill cipher

____________ is a mono-alphabetic encryption code wherein each & every letter of plain-text is replaced by another letter in creating the cipher-text.

A

Polyalphabetic Cipher

B

Caesar Cipher

C

Playfair Cipher

D

Monoalphabetic Cipher

Which of the following is not a poly alphabetic substitution cipher?

A

vigenere cipher

B

one time pad cipher

C

play fair cipher

D

pigpen cipher

The trithemius cipher is a mono alphabetical cipher.

A

True

B

False

When labour is plotted on X-axis and capital is plotted on Y-axis and an isoquant is prepared, then which of the following statement(s) is/arefalse?
1. Marginal rate of technical substitution of labour for capital is equal to the slope of the iso-quant.
2. Marginal rate of technical substitution of labour for capital is equal to change in the units of capital divided by the change in the units of labour.
3. Marginal rate of technical substitution of labour for capital is the ratio of marginal productivity of capital to marginal productivity of labour.

A

Both 1 and 2

B

Only 3

C

Only 1

D

Only 2

Which of the following is not a type of poly alphabetic cipher?

A

Auto key cipher

B

Hill cipher

C

Playfair cipher

D

Additive cipher

Which of the following correctly defines poly alphabetic cipher?

A

a substitution based cipher which uses multiple substitution at different positions

B

a substitution based cipher which uses fixed substitution over entire message

C

a transposition based cipher which uses multiple substitution at different positions

D

a transposition based cipher which uses fixed substitution over entire message

The mono protonation of adenine (X) in acidic solution mainly occurs at

A

position 1

B

position 2

C

position 3

D

position 4 or 5