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WorksheetsEncryption
Total questions: 10
Worksheet time: 5mins
What is the Caesar cipher?
A simple encryption method that involves replacing each letter in a message with one ahead or behind in the alphabet
A complex encryption method using two keys
A way of password protecting a file
What protocol is used to encrypt sensitive data like credit card information on the internet?
HTTPS
TCP/IP
POP3
Encrypt the word 'cipher' using caesar cipher with a key 3
FLSKHU
FLSJIV
GLSKGU
FLTFDW
What is personal information?
Your name, address, phone number
Your dogs name
Your favorite brand of clothes
Your favourite chocolate bar
What is confidential information?
Name, age, address,
How much pocket money you get
Family contact detials
your dogs name
Who first used the Caesar Cipher?
Caesar Romanus
Alan Turing
Julius Caesar
None of these
An algorithm transforms plain text into cipher text
(a)
Encrypt the word 'Quiz' using a 5 key cipher.
TZLC
TXKC
Txlc
TYMC
Encrypt the world 'School' with a key of 3
wfjrrm
vfkrro
vfjrro
wgkssp
What is Data Encryption?
Encoding a message so that it cannot be understood by anyone other than the receiver
Abbreviating data for quicker entry into a computer system
Password protecting a file
