Quiz 4 - PROFE5 313 - Final

What is cryptography?

• Turning messages into secret codes
• Drawing pictures
• Sending emails
• Watching videos

Answer explanation

Encryption hides data to protect it.

Why is cryptography important?

• It protects data like passwords and bank info
• It deletes messages
• It improves typing speed
• It opens websites

Answer explanation

It protects sensitive information online.

A cipher is:

• A drawing tool
• A type of secret code
• A browser feature
• A game

Answer explanation

Ciphers encode information using a method.

What does the Caesar Cipher do?

• Replaces letters with emojis
• Shifts letters by a set number
• Mixes numbers
• Adds hashtags

Answer explanation

It shifts each letter by a fixed number.

In a substitution cipher:

• Letters are replaced with symbols
• Words are deleted
• Sentences are repeated
• Files are renamed

Answer explanation

Each letter has a substitute character or symbol.

What does a transposition cipher do?

• Scrambles the letter order
• Duplicates text
• Changes font size
• Converts files to images

Answer explanation

It rearranges the position of letters.

What is encryption?

• Hiding data with codes
• Posting photos
• Watching TV
• Copying notes

Answer explanation

Encryption protects data through coding.

What is decryption?

• Making secret data readable again
• Sharing links
• Resetting devices
• Editing photos

Answer explanation

Decryption restores data to readable form.

SSL/TLS is used for:

• Securing websites
• Downloading movies
• Watching live streams
• Uploading photos

Answer explanation

SSL/TLS encrypts web data.

What does HTTPS stand for?

• Hypertext Transfer Protocol Secure
• Hyper Tool for Privacy
• High Text Transfer Script
• Help Tools for Privacy

Answer explanation

It is a secure version of HTTP.