HTTP and HTTPS in Computer Networks - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does HTTP stand for?

HTTP stands for HyperText Transfer Protocol. It is the basic protocol used to transfer web pages on the internet.

beginner

What is the main difference between HTTP and HTTPS?

HTTPS is HTTP with encryption. It uses SSL/TLS to secure data between your browser and the website, protecting it from eavesdropping.

beginner

Why is HTTPS important for websites?

HTTPS protects sensitive information like passwords and credit card numbers by encrypting the data, making it hard for attackers to steal or change it.

intermediate

What does SSL/TLS do in HTTPS?

SSL (Secure Sockets Layer) and TLS (Transport Layer Security) create a secure, encrypted connection between your device and the website, ensuring data privacy and integrity.

beginner

How can you tell if a website is using HTTPS?

You can see HTTPS in the website address (URL) starting with "https://" and often a padlock icon in the browser's address bar.

What does HTTPS add to HTTP?

A Encryption for secure communication

B Faster loading speed

C More images on the page

D Better colors on the website

HTTPS adds encryption to HTTP to secure data transfer between your browser and the website.

Which symbol usually shows that a website uses HTTPS?

A A warning triangle

B A padlock icon

C A star icon

D A heart icon

A padlock icon in the browser's address bar indicates the website uses HTTPS and has a secure connection.

What kind of information does HTTPS help protect?

A Page layout

B Website colors

C Passwords and credit card numbers

D Font styles

HTTPS encrypts sensitive information like passwords and credit card numbers to keep them safe.

Which protocol is used to secure HTTPS connections?

A HTTP/2

B FTP

C SMTP

D SSL/TLS

SSL (Secure Sockets Layer) and TLS (Transport Layer Security) protocols secure HTTPS connections.

What does HTTP stand for?

A HyperText Transfer Protocol

B Hyperlink Text Transfer Process

C HyperText Transmission Program

D Hyperlink Transfer Protocol

HTTP stands for HyperText Transfer Protocol, the main protocol for web communication.

Explain in simple terms what HTTPS is and why it is important for internet users.

Think about how your personal info stays safe when you shop online.

Describe how you can recognize if a website is secure using HTTPS when browsing the internet.

Look at the address bar in your web browser.