Data Structures Algorithms-II MCQs

Page No. 127

Which of the following ciphers are created by shuffling the letters of a word?


aplayfair cipher


broute cipher


cvigenere cipher


dhill cipher


View Answer route cipher

Encryption in Route cipher is done ___________


aby arranging the letters in a zig zag fashion in a table


bby randomly arranging letters


cby following an imaginary pattern drawn on a grid


dby swapping adjacent letters



Route cipher is an example of ____________


amono-alphabetic cipher


bpoly-alphabetic cipher


ctransposition cipher


dadditive cipher


View Answer transposition cipher

What is route cipher?


aa transposition cipher that performs encryption by following an imaginary pattern on a grid


ba substitution cipher that performs encryption by following an imaginary pattern on a grid


ca transposition cipher that performs encryption by following a zig zag pattern on a grid


d a substitution cipher that performs encryption by following a zig zag pattern on a grid



What will be the plain text corresponding to cipher text “RVUVMF” if trithemius cipher is used?


aRABBIT


bRussia


cRANGER


d FRIEND


View Answer Russia

What will be the ciphered text corresponding to “ALGORITHM” if trithemius cipher is used for encryption?


aBNJSWOAPV


bBMHPSJUIN


cAMIRVNZOU


dMBPHJSNIU


View Answer AMIRVNZOU

What will be the ciphered text corresponding to “SANFOUNDRY” if trithemius cipher is used for encryption?


aSBPISZTKZH


bTCQJTAULAI


cTBOGPVOESZ


dSPBISZKTZH


View Answer SBPISZTKZH

Which of the following cipher is easiest to crack?


avigenere cipher


brunning key cipher


ctrithemius cipher


dall are equally secure


View Answer trithemius cipher

Trithemius cipher is harder to crack than caesar cipher.


aTrue


bFalse


cA & B


d None of the above


View Answer True

What will be the plain text corresponding to cipher text “ACCFYX” if trithemius cipher is used?


a ABACUS


bABROAD


cABRUPT


dABUSED


View Answer ABACUS

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