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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