
Cryptography and Security Quiz

Quiz
•
English
•
12th Grade
•
Hard
Erica Basso
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of cryptography?
To enhance computer speed
To make information secret
To make information public
To create software programs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'cipher' refer to in cryptography?
A type of computer virus
An algorithm for converting plain text into ciphertext
A hardware encryption device
A method of data storage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Caesar cipher?
A type of asymmetric encryption
A substitution cipher used by Julius Caesar
A modern encryption method
A key exchange algorithm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a drawback of substitution ciphers?
They are only used in software
They require a large key size
They preserve letter frequencies
They are too complex to use
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a permutation cipher?
A cipher that uses multiple keys
A cipher that encrypts images
A cipher that rearranges the order of characters
A cipher that uses random letters
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the purpose of the German Enigma machine?
To decode messages
To create music
To store data
To encrypt wartime communications
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant feature of the Enigma machine?
It had configurable rotors
It could encrypt letters as themselves
It used a single rotor
It was a software-based system
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