Autokey Cipher Online Exam Quiz

Autokey Cipher GK Quiz. Question and Answers related to Autokey Cipher. MCQ (Multiple Choice Questions with answers about Autokey Cipher

Autokey cipher is also known as?

Options

A : vigenere cipher

B : autoclave cipher

C : auto key cipher

D : auto cipher

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Autokey cipher is closely related to ___

Options

A : Vigenere cipher

B : Hill cipher

C : Play fair cipher

D : Rotor cipher

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Autokey cipher is harder to crack than keyword cipher.

Options

A : TRUE

B : FALSE

C : -

D : -

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Given grammar G:^ S->aS|A|C^ A->a^ B->aa^ C->aCb^ Find the set of variables thet can produce strings only with the set of terminals.

Options

A : {C}

B : {A,B}

C : {A,B,S}

D : None of the mentioned

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Given Grammar: S->A, A->aA, A->e, B->bA^ Which among the following productions are Useless productions?

Options

A : S->A

B : A->aA

C : A->e

D : B->bA

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Given:^ S->?->xAy->?->w^ if __, then A is useful, else useless symbol.

Options

A : A is a non terminal

B : A is a terminal

C : w ? L

D : w ? L

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Given:^ S->aSb^ S->e^ S-> A^ A->aA^ B->C^ C->D^ The ratio of number of useless variables to number of useless production is:

Options

A : 1

B : 4-Mar

C : 3-Feb

D : 0

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In which of the following cipher the plain text and the ciphered text does not have same number of letters?

Options

A : affine cipher

B : autokey cipher

C : columnar cipher

D : additive cipher

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Suppose A->xBz and B->y, then the simplified grammar would be:

Options

A : A->xyz

B : A->xBz|xyz

C : A->xBz|B|y

D : none of the mentioned

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Vigenere cipher is harder to crack than autokey cipher.

Options

A : TRUE

B : FALSE

C : -

D : -

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