Browsers, Search Engines, and VPNs — What They Actually Do — Quiz

1.

According to Englehardt & Narayanan's 2016 Princeton study, what proportion of the top 1 million websites contained Google tracking infrastructure?

2.

Which of the following is NOT prevented by using a VPN?

3.

What is the most credible form of evidence for a VPN provider's no-log claim?

4.

What distinguishes Tor from a VPN in terms of anonymity?

5.

What is browser telemetry, and which browser allows users to fully disable it in settings?

6.

Explain what 'shifting trust' means when someone starts using a VPN, and identify what remains unknown even after verifying a provider's audit.

7.

A person switches from Google Search to DuckDuckGo and starts using a VPN. Name two tracking mechanisms that remain fully operational despite these changes.

8.

What business model concern is associated with free VPN services, and how does it differ from the business model of a paid, audited provider like Mullvad?