Quiz on Encryption Concepts

What is encryption?

• A method to store data

• A process to make data unreadable to unauthorized users

• A way to delete data

• A method to increase internet speed

Why is encryption important?

• It speeds up computers

• It helps people understand data better

• It protects sensitive information from being accessed by unauthorized users

• It converts data into a different language

In a Caesar cipher with a shift of 3, what does 'HELLO' become?

• KHOOR

• IFMMP

• GDKKN

• JGNNQ

What is the main weakness of the Caesar cipher?

• It requires too much storage

• It is easy to break using frequency analysis

• It takes too long to encrypt

• It cannot be used for numbers

Which of the following is NOT an example of encryption in daily life?

• Online banking

• Social media passwords

• Watching a public TV channel

• Sending messages on WhatsApp

In a Caesar cipher with a shift of 5, what does 'B' become?

• G

• F

• A

• C

What does "decryption" mean?

• The process of making data unreadable

• The process of converting encrypted data back into its original form

• The process of deleting data

• The process of converting data into an image

If the key in a Caesar cipher is 2, what does 'Z' become?

• B

• Y

• A

• X

In a Caesar cipher with a shift of 4, what does 'CODE' become?

• GSHI

• ERFG

• ASBC

• EWHI

If a message is encrypted with a Caesar cipher shift of 7, what does 'DATA' become?

• GYXY

• KHAH

• KATA

• HHAH