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Network Security Questions

MCQ
11.
In an asymmetric-key cipher, the sender uses the__________ key.
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MCQ
12.
In an asymmetric-key cipher, the receiver uses the ______ key
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MCQ
13.
A ________ cipher replaces one character with another character.
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MCQ
14.
_________ ciphers can be categorized into two broad categories: monoalphabetic and polyalphabetic.
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MCQ
15.
The _______ cipher is the simplest monoalphabetic cipher. It uses modular arithmetic with a modulus of 26.
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MCQ
16.
The Caesar cipher is a _______cipher that has a key of 3.
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MCQ
17.
The ________ cipher reorders the plaintext characters to create a ciphertext.
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MCQ
18.
A(n) ______ is a keyless substitution cipher with N inputs and M outputs that uses a formula to define the relationship between the input stream and the output stream
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MCQ
19.
A(n) _______is a keyless transposition cipher with N inputs and M outputs that uses a table to define the relationship between the input stream and the output stream
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MCQ
20.
. A modern cipher is usually a complex _____cipher made of a combination of different simple ciphers.
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