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- 1. Multiple Choice
A cipher is _________________________.
a person who makes up secret codes
an algorithm that is used to scramble text so that it can be passed in secret
a lock that can be used to lock a message in a lock box
any puzzle, such as a crossword or Sudoku puzzle
- 2. Multiple Choice
Encrypt the word alphabet using a Caesar cipher with a shift of 3
DVSDULQV
DOOFOHDU
DOSKDEHW
DORQHBHV
- 3. Multiple Choice
A Caesar cipher is an example of a ______________________.
transposition cipher
bimodal cipher
substitution cipher
substantial cipher
- 4. Multiple Choice
The following word was encrypted using a Caesar cipher with a shift of 2: ecguct. What word is it?
julius
caesar
romans
cipher
- 5. Multiple Choice
Who was the first know user of the Caesar Cipher?
Caesar Romanus
Julius Caesar
Alan Turing
There isn't one
- 6. Multiple Choice
In Cryptography, original message, before being transformed, is called
Simple Text
Plain Text
Cipher Text
Filled Text
- 7. Multiple Choice
An encryption algorithm transforms plain text into:
Cipher text
Simple Text
Empty Text
Plain Text
- 8. Multiple Choice
A(n) ______ algorithm transforms cipher text to plain text.
Encryption
Decryption
- 9. Multiple Choice
The _______ is a number or a set of numbers on which the cipher operates.
secret
cipher
key
none of the mentioned
- 10. Multiple Choice
The process of converting a ciphertext into plaintext.
encryption
decryption
plaintext
cryptography
- 11. Multiple ChoiceIn what year was Julius Caesar born?100 BCE50 BCEAD 50AD 100
- 12. Multiple Choice
Encrypt the word Lagoon using a Caesar cipher with a shift of -3
hwckkj
odjrrq
jyemml
ixdllk
- 13. Multiple Choice
The following word was encrypted using a Caesar cipher with a shift of -4: Wsaokia. What word is it?
Ability
Awesome
Jazzman
Puzzled
- Answer choicesTagsAnswer choicesTags