COMPUTER NETWORKING

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following modes of operations can be followed for both stream ciphers as well as block ciphers?
A
CBC (Cipher Block Chaining)
B
ECB (Electronic Code Book)
C
CFB (Cipher text Feed Back)
D
All of the above
Explanation: 

Detailed explanation-1: -5) Which of the following modes of operations can be followed for both stream ciphers as well as block ciphers? Explanation: CFB is primarily a mode to derive some characteristics of a stream cipher from a block cipher on the cryptography in cryptoanalysis.

Detailed explanation-2: -Introduction to Block Cipher modes Where ECB and CBC mode works on block ciphers, and CFB and OFB mode works on block ciphers acting as stream ciphers.

Detailed explanation-3: -Block cipher and stream cipher are members of the family of symmetric key ciphers, essentially encryption techniques used for directly transforming the plaintext into ciphertext.

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