Data Structures Algorithms-II MCQs

Page No. 119

What will be the plain text corresponding to ciphered text “MAO” if atbash cipher is used for encryption?


aNZL

✓


bIND

✖


cAUS

✖


d ENG

✖


View Answer NZL

What will be the ciphered text corresponding to plain text “SECRET” if atbash cipher is used for encryption?


aVHIXVG

✖


bHVXIVG

✓


cHXVIVG

✖


dVIHXIV

✖


View Answer HVXIVG

Atbash cipher cannot be cracked until the exact type of encryption of ciphered text is known.


aTrue

✖


bFalse

✓


cA & B

✖


d None of the above

✖


View Answer False

Atbash cipher is an example of?


aMono alphabetic substitution cipher

✓


bTransposition cipher

✖


cPoly alphabetic substitution cipher

✖


dGeometric substitution cipher

✖



Atbash cipher is less secure than affine cipher.


aTrue

✓


bFalse

✖


cA & B

✖


d None of the above

✖


View Answer True

Which of the following is a mono alphabetic substitution cipher?


avigenere cipher

✖


bone time pad cipher

✖


cplay fair cipher

✖


datbash cipher

✓


View Answer atbash cipher

Which of the following cipher is a special case of affine cipher?


aVigenere cipher

✖


bAutokey cipher

✖


cAtbash cipher

✓


dHill cipher

✖


View Answer Atbash cipher

Atbash cipher was originally used for encrypting _____________


aenglish alphabet

✖


bgreek alphabet

✖


chebrew alphabet

✓


dhindi alphabet

✖


View Answer hebrew alphabet

Which of the following cipher does not require a key for encrypting plain text?


aatbash cipher

✓


baffine cipher

✖


cplayfair cipher

✖


dvigenere cipher

✖


View Answer atbash cipher

What will be the plain text corresponding to cipher text “SCEFJV” if gronsfeld cipher is used with key “1234”?


a RABBIT

✓


bRussia

✖


cRANGER

✖


dFriend

✖


View Answer RABBIT

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