Data Structures Algorithms-II MCQs

Page No. 128

Trithemius cipher is harder to crack than vigenere cipher.


atrue


bfalse


cA & B


d None of the above


View Answer false

Trithemius cipher is a special case of _______________


aautokey cipher


bvigenere cipher


chill cipher


d route cipher


View Answer vigenere cipher

Which of the following cipher require the use of tabula recta?


a hill cipher


b route cipher


c rail fence cipher


dtrithemius cipher


View Answer trithemius cipher

Which of the following is a difference between trithemius cipher and vigenere cipher?


a they use different tables for encryption


bvigenere cipher is poly alphabetic whereas running key cipher is mono alphabetic


cvigenere cipher uses a key whereas no key is required for using trithemius cipher


dvigenere cipher is substitution cipher whereas trithemius cipher is transposition cipher



Which of the following is a modified version of Caesar cipher?


avigenere cipher


bautokey cipher


crunning key cipher


d trithemius cipher


View Answer trithemius cipher

Encryption in trithemius cipher is done using _______________


atrithemius table


bvigenere cycle


ctabula recta


d any table provided by the person performing the encryption


View Answer tabula recta

Trithemius cipher is an example of _______________


amono-alphabetic cipher


bpoly-alphabetic cipher


ctransposition cipher


dadditive cipher



What will be the output of the following C++ code?


a33344244


b44332434


c33432444


d11444323


View Answer 33432444

What will be the encrypted text corresponding to plain text “SAN” using standard polybius square cipher?


a431133


b341133


c441133


d114433


View Answer 431133

What will be the plain text corresponding to ciphered text “134325” if standard polybius square cipher is used for encryption?


aSRH


bCSK


cRCB


dKKR


View Answer CSK

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