VPN (Virtual Private Network) in Computer Networks - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does VPN stand for?

VPN stands for Virtual Private Network. It creates a secure connection over the internet.

beginner

How does a VPN protect your online activity?

A VPN encrypts your internet data, making it unreadable to others and hides your IP address to protect your privacy.

beginner

What is one common use of a VPN in everyday life?

People use VPNs to safely access public Wi-Fi, watch region-locked content, or keep their browsing private from hackers and trackers.

intermediate

What does it mean when a VPN 'hides your IP address'?

It means the VPN replaces your real internet address with one from the VPN server, so websites and others can't see where you really are.

intermediate

Name two types of VPNs commonly used.

Two common types are Remote Access VPN, which connects individual users to a network, and Site-to-Site VPN, which connects entire networks securely.

What is the main purpose of a VPN?

A To delete your browsing history

B To speed up your internet connection

C To block all websites

D To create a secure and private connection over the internet

A VPN creates a secure and private connection by encrypting your data and hiding your IP address.

Which of these is NOT a benefit of using a VPN?

A Protecting your data on public Wi-Fi

B Accessing region-locked content

C Automatically fixing computer hardware issues

D Hiding your IP address

VPNs do not fix hardware issues; they protect your data and privacy online.

What does VPN encryption do?

A Makes your data unreadable to others

B Deletes your files

C Speeds up your computer

D Changes your password automatically

Encryption scrambles your data so others cannot read it while it travels over the internet.

Which type of VPN connects entire networks together?

A Remote Access VPN

B Site-to-Site VPN

C Personal VPN

D Mobile VPN

Site-to-Site VPN connects whole networks securely, often used by companies with multiple offices.

When using a VPN, what happens to your IP address?

A It is hidden and replaced by the VPN server's IP

B It changes to your email address

C It is deleted permanently

D It becomes visible to everyone

The VPN hides your real IP address and shows the VPN server's IP to websites and others.

Explain in your own words what a VPN is and why someone might use it.

Think about how a VPN protects your data and identity online.

Describe the difference between a Remote Access VPN and a Site-to-Site VPN.

Consider who or what is being connected in each type.