Is Cloudflare really free?

Related questions

1. What is a black hole route?
2. Is Cloudflare Cdn free?
3. How does Ibgp prevent routing loops?
4. How does BGP route reflector work?
5. What is reflector and load balancing?
6. What is VRF and how it works?
7. What is Vtep?
8. What kind of router is called Black Hole Router?
9. What is BGP idle state?
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Tags

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2. #cloudflare
3. #bandwidth
4. #secure
5. #fewer
6. #speeds
7. #month
8. #website
9. #security
10. #cheapest
11. #average
12. #loads
13. #using
14. #according
15. #protects
16. #threats
17. #requests