Explanation:

- Persistent cookies: These cookies remain on your device for a set period and help remember preferences and login details. They do track users but are mainly intended for functionality and customization.

- Third-party cookies: These are set by domains other than the one you are visiting. They often track users across different sites to gather data for advertising purposes and can expose your privacy.

Correct Answer

- Zombie cookies: These are re-created cookies even after deletion. They are considered invasive but are less common.

- Session cookies: These are temporary and deleted after you close your browser. They do not pose a significant threat to privacy as they don’t track users.