Choose from among the following cipher systems, from best to the worst, with respect to ease of decryption using frequency analysis.
A) random polyalphabetic , plaintext , playfair
B) random polyalphabetic , playfair , vignere
C) random polyalphabetic , vignere , playfair , plaintext
D) random polyalphabetic , plaintext , beaufort , playfair
Correct Answer:
Verified
Q2: On Encrypting "thepepsiisintherefrigerator" using Vignere Cipher System
Q3: . Rail Fence Technique is an example
Q4: Public key encryption is advantageous over Symmetric
Q5: The sub key length at each round
Q6: Which one is the strong attack mechanism?
A)chosen
Q7: Interception is an attack on
A)availability
B)confidentiality
C)integrity
D)authenticity
Q8: Chosen cipher text attack is based on
A)cryptanalysis
B)cryptography
C)encryption
D)decryption
Q9: The process of writing the text as
Q10: Biometric authentication works on the basis of
A)human
Q11: Which layer filters the proxy firewall?
A)application
B)network
C)transport
D)none of
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