Cryptography Basics
Quiz
•
Computers
•
6th - 8th Grade
•
Practice Problem
•
Hard
Mary Baez
Used 97+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a secret or disguised way of writing; a code.
cipher
decrypt
Vigenere
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the number of characters to shift the cipher alphabet
Morse Code
cipher
decrypt
key
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
to decode or decipher.
cipher
enigma machine
brute force
decrypt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
convert (information or data) into a cipher or code, especially to prevent unauthorized access.
Vigenere
Turing
decipher
encrypt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
convert (a text written in code, or a coded signal) into normal , plaintext language.
encrypt
decipher
frequency analysis
brute force
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on. The method is named after Julius Caesar, who used it in his private correspondence.[1]
Vigenere
Caesar Cipher
CRIBS
cryptography
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In cryptanalysis ,the study of the frequency of letters or groups of letters in a ciphertext. .s based on the fact that, in any given stretch of written language, certain letters and combinations of letters occur with varying frequencies.
brute force
CRIBS
frequency analysis
Morse Code
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