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6 A requires that the cipher alphabet changes thro

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6. A ________________ requires that the cipher alphabet
changes throughout the encryption process. a.
monoalphabetic substitution cipher b. polyalphabetic
substitution cipher c. quantum cipher d. alphanumeric shift
cipher Reason: _
7. NP problems have solution times that are
__________________. a. based on guessing and are not
predictable b. always quadratic and are predictable c.
linear d. based on the number of prime factors Reason: _
8. Binary numbers obscure the _________ of information.
a. word distribution b. meaning c. typing d. identity
Reason: _
9. As the trustworthiness of a system increases, our
__________ decreases. a. demand for keys b. confidence
c. risk exposure d. need for security Reason: _
Solution
6) b.polyalphabetic substitution cipher
Reason :- because in polyalphabetic substitution cipher the
cipher alphabet changes all through the ecncryption.
and in monoalphabetic substitution cipher, a substitute of
one character in plain text is made with a corresponding in
the ciber text.
A quantum cipher does not exists because quantum
cryptography uses the physics of light and the alpha

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6. A ________________ requires that the cipher alphabet changes throughout the encryption process. a. monoalphabetic substitution cipher b. polyalphabetic substitution cipher c. quantum cipher d. alphanumeric shift cipher Reason: _ 7. NP problems have solution times that are __________________. a. based on guessing and are not predictable b. always quadratic and are predictable c. linear d. based on the number of prime factors Reason: _ 8. Binary numbers obscure the _________ of information. a. word distribution b. meaning c. typing d. identity Reason: _ 9. As the trustworthiness of a system i ...
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