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What is the main purpose of encryption?

• To speed up the internet

• To turn files into images

• To protect data by scrambling it into a code

• To delete old messages

What is plaintext?

• A type of password

• The readable message before encryption

• The encrypted version of a message

• A coding language

Which device is encryption most useful for?

• A broken printer

• A disconnected mouse

• A phone connected to public Wi-Fi

• A computer without a screen

Why is using encryption important on public networks?

• It makes downloads faster

• It saves battery

• Hackers can more easily intercept data

• It lets anyone access your data

What does ciphertext mean?

• An email draft

• A file that has been compressed

• A message that has been turned into unreadable code

• The same as plaintext

What does a key do in encryption?

• Locks your phone

• Opens websites faster

• Encrypts or decrypts a message

• Stores your files

Which of these best describes symmetric encryption?

• Uses emojis to hide data

• Uses the same key to encrypt and decrypt

• Uses images as passwords

• Uses two different keys

Which of these is a correct fact about asymmetric encryption?

• It is slower but more secure for some uses

• It uses the same key twice

• It was used in ancient Rome

• It is only used in video games

What is one problem with using a Caesar Cipher today?

• It needs an internet connection

• It is too expensive

• It can be easily broken

• It only works in Latin

How does the Caesar Cipher work?

• By deleting every second word

• By reversing the sentence

• By shifting each letter forward in the alphabet

• By turning letters into numbers randomly