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Question 1
A message “COMPUTER NETWORK” encrypted (ignore quotes) using columnar transposition cipher with a key “LAYER”. The encrypted message is :
Question 2
How many distinct stages are there in DES algorithm which is parameterized by a 56-bit key?
Question 3
Using and in the RSA algorithm, what is the value of cipher text for a plain text if p=3, q=11, d=7, e=3, M=5, C=??
Question 4
The bit rate of a signal is 3000 bps. If each signal unit carries 6 bits, the baud rate of the signal is _________.
Question 5
Which of the following is/are restriction(s) in classless addressing?
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