Level 5 — Basic — VPN Knowledge Test

1

Why did the internet need to move from IPv4 to IPv6?

IPv4 ran out of unique addresses to assign to devices IPv4 was too slow and IPv6 makes websites load faster IPv4 was invented by a rival company and needed replacing IPv4 could only connect to devices on Tuesdays

2

What does DNS do when you type a website address into your browser?

It translates the website name into the IP address your computer needs It encrypts all your data before sending it to the website It checks if the website owner paid their electricity bill It downloads a copy of the website to your phone for offline use

3

Why does your home router give one public IP address to many devices?

NAT shares one public IP among many devices by tracking internal connections Each device secretly has its own hidden public IP address Public IPs are too expensive, so routers duplicate them infinitely The router combines all device signals into a single mega-device

4

How do DoH and DoT protect your DNS queries differently than regular DNS?

They encrypt DNS queries so your ISP and others cannot see what sites you visit They make websites load three times faster than regular DNS They automatically block all ads before they reach your browser They translate DNS into ancient Greek for maximum security

5

What does a VPN kill switch do if your VPN connection suddenly drops?

It blocks all internet traffic to prevent unencrypted data leaks It automatically restarts your computer to protect you It deletes your browser history to hide your embarrassment It turns off all your smart home devices as a punishment

6

Which of these is a realistic attack risk on public Wi-Fi in 2026?

An attacker intercepting unencrypted data sent between your device and websites The Wi-Fi router teleporting your passwords to a rival coffee shop Hackers stealing your thoughts through the router's antenna The Wi-Fi password automatically changing into offensive language

7

What does 'no-logs' mean for a VPN service?

The VPN claims it does not save records of your browsing activity or IP The VPN deletes your files if you use it for more than 10 minutes The VPN stores logs in a magical forest where no one can find them The VPN only works on devices that have no logs of any kind

8

What is the main security difference between HTTP and HTTPS?

HTTPS encrypts data in transit, while HTTP sends it in plain text HTTPS is older and more secure than the newer HTTP protocol HTTP is for emails and HTTPS is only for video streaming HTTPS requires you to wear a special hat while browsing

9

Why is reusing the same password across multiple websites dangerous?

If one site is breached, hackers can use that password to access your other accounts Reused passwords make your email run slower and slower over time Each website secretly shares your password with five other websites The internet's password registry automatically flags you as suspicious

10

What additional security does two-factor authentication (2FA) provide beyond a password?

A second verification step (like a code on your phone) that only you can access It makes your account completely invisible to all hackers forever It automatically changes your password every time you blink It prevents your device from ever being hacked in the future