WorksheetsEncryption
Total questions: 10
Worksheet time: 6mins
What is the Caesar cipher?
An encryption method that replaces each letter in a message with one ahead or behind in the alphabet
A complex encryption method using two keys (public and private)
A way of password protecting a file invented by Julias Caesar
The process of taking a plaintext password and hashing it before storing in a database
Encrypt the word 'cipher' using the Caesar cipher with a key 3.
FLSKHU
FLSJIV
GLSKGU
FLTFDW
Encrypt the word 'Quiz' using the Caesar cipher with a key of 3.
TZLC
TXKC
Txlc
TYMC
Encrypt the world 'School' using the Caesar cipher with a key of 3.
wfjrrm
vfkrro
vfjrro
wgkssp
What is encryption?
Encoding a message so that it cannot be read without the key
Abbreviating data for quicker entry into a computer system
Password protecting a file
Scrambling text up randomly so it can't be read
A word has been encrypted with a Caesar cipher to Cbu. The key used was 1.
What was the original word?
abc
Bav
Bat
One
What is the algorithm of ceasar's cipher?
Each letter is replaced with a particular symbol
Each letter is replaced with a letter a certain number of steps down the alphabet
Each letter is replaced with a particular number from 0 to 26, and numbers are replaced with letters.
Each letter is replaced with a completely random number
Using a Caesar cipher, I have converted the word Happy to KDSSB. What key have I used? (Type it as a digit)
(a)
Encryption is a way of __________________
Hacking Passwords
Encoding Information
Securing Viruses
Deleting Application
Taking a secret message and reproducing the original plain text is known as?
Caesar Cipher
Encryption
Cipher Text
Decryption
