WorksheetsTech+ 2.3.1 Encryption Basics
Total questions: 11
Worksheet time: 6mins
Who used the Caesar cipher historically?
Julius Caesar
Alexander the Great
Napoleon Bonaparte
Genghis Khan
How does the Caesar cipher work?
By deleting letters
By shifting letters in the alphabet
By adding numbers
By reversing words
In the Caesar cipher example, what does the letter 'A' become with a shift of 3?
D
B
C
E
What is the plaintext word in the example provided?
FRPSWLD
COMPTIA
ENCRYPT
CIPHER
What must the reader know to decrypt a message encrypted with the Caesar cipher?
The number of spaces shifted
The original message
The author's name
The date of encryption.
What is the key to decoding an encrypted message?
The algorithm
The key
The plaintext
The ciphertext.
What is the character shift distance initially set to in the interactive tool?
0 characters
5 characters
10 characters
15 characters
What is the main challenge with modern encryption as mentioned in the text?
It is too simple
It is too slow
It is too complex for even the fastest computers to break
It is too expensive
What role do computers play in modern encryption?
They make encryption keys
They break encryption codes
They send encrypted messages
They receive encrypted messages.
What does the process of encrypting data involve according to the text?
Making data readable
Changing data to prevent unauthorized access
Deleting data
Copying data
Encode the message using a Caesar cipher with shift 9.
Is cereal a soup
(a)
