Computer Networks - Computer Networks Section 1

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66. In Caesar Cipher, what is the plaintext corresponding to the ciphertext "QXPEHU"?

Answer
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Array

Option : C
Explanation :

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67. Number of elements in the key space of the Substitution Cipher is

Answer
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Array

Option : A
Explanation :

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68. Number of possible keywords of length m in a Vigenere Cipher is ____

Answer
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Array

Option : C
Explanation :

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69. In Permutation Cipher, when the permutation

is applied to "shesellsseas", we obtain

Answer
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Array

Option : A
Explanation :

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70. In Vigenere Cipher when plaintext is "THISCRYPTOSYSTEMISNOTSECURE" and key k = (2, 8, 15, 7, 4 ,17) the corresponding ciphertext is

Answer
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Array

Option : C
Explanation :

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Computer Networks Section 1

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