Data Structures Algorithms-II MCQs

Page No. 120

What will be the ciphered text corresponding to “ALGORITHM” if gronsfeld cipher is used for encryption with key “4321”?


aBNJSSKWLN


bEOIPVLVIQ


cBNJSRITHM


dEOIPRITHM


View Answer EOIPVLVIQ

Which of the following is not a transposition cipher?


arail fence cipher


bgronsfeld cipher


chill cipher


droute cipher


View Answer gronsfeld cipher

Gronsfeld cipher is a substitution cipher.


aTrue


bFalse


cA & B


d None of the above


View Answer True

What will be the plain text corresponding to cipher text “EETPEG” if gronsfeld cipher is used with key “4321”?


aABACUS


bABROAD


cABRUPT


dABUSED


View Answer ABROAD

Gronsfeld cipher is harder to crack than caesar cipher.


a True


b False


cA & B


d None of the above


View Answer True

Gronsfeld cipher is a variation of ____________


aautokey cipher


bvigenere cipher


chill cipher


droute cipher


View Answer vigenere cipher

Which of the following cipher does not require the use of tabula recta?


arunning key cipher


bvigenere cipher


cgronsfeld cipher


dtrithemius cipher


View Answer gronsfeld cipher

Which of the following cipher uses a numeric key?


agronsfeld cipher


bvigenere cipher


ctrithemius cipher


drunning key cipher


View Answer gronsfeld cipher

Gronsfeld cipher is similar to?


a additive cipher


bmultiplicative cipher


ccaesar cipher


daffine cipher


View Answer caesar cipher

Which of the following is true about encryption in gronsfeld cipher?


aIt replaces letters with numbers


bIt shifts the letters of plain text on the basis of key value


cIt makes substitutions by using tabula recta


dIt makes substitutions on the basis of a mathematical formula



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