Question 31 : What is the meaning of cipher in cryptography?
1. an algorithm that performs encryption
2. an algorithm that generates a secret code
3. an algorithm that performs encryption or decryption
4. a secret code
5.
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Question 32 : In which of the following cipher the plain text and the ciphered text does not have same number of letters?
1. keyword cipher
2. vigenere cipher
3. transposition cipher
4. additive cipher
5.
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Question 33 : Which of the following is a type of transposition cipher?
1. Rail Fence cipher
2. Hill cipher
3. Rotor cipher
4. One time pad
5.
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Question 34 : Which of the following is not a type of poly alphabetic cipher?
1. Auto key cipher
2. Hill cipher
3. Playfair cipher
4. Additive cipher
5.
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Question 35 : Which of the following is not a type of mono alphabetic cipher?
1. additive cipher
2. multiplicative cipher
3. afffine cipher
4. hill cipher
5.
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Question 36 : Which of the following is a type of substitution cipher?
1. Mono alphabetic cipher
2. transposition cipher
3. transportation cipher
4. transforming cipher
5.
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Question 37 : Which of the following ciphers are created by shuffling the letters of a word?
1. substitution cipher
2. transposition cipher
3. vigenere cipher
4. hill cipher
5.
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Question 38 : Which of the following is a type of traditional cipher?
1. transportation cipher
2. transposition cipher
3. transforming cipher
4. vigenere cipher
5.
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Question 39 : What is the meaning of cipher in cryptography?
1. an algorithm that performs encryption
2. an algorithm that generates a secret code
3. an algorithm that performs encryption or decryption
4. a secret code
5.
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Question 40 : In Morse Code, each dot or dash within a character is followed by a period of signal absence. What is the name of that signal?
1. Slash
2. Space
3. Ampersand
4. Asterisk
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