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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