What does VPN do on iPhone?

Related questions

1. Does my iPhone have a VPN?
2. Are there any free VPNs for Mac?
3. Are there VPNs for iPhone?
4. Is there a free VPN for iPad?
5. Does an iPhone need a VPN?
6. Can iPad use VPN?
7. Does my iPad have VPN?

Tags

1. #secure
2. #access
3. #company
4. #tunnel
5. #encrypted
6. #network
7. #virtual
8. #behind
9. #private
10. #connection
11. #securely
12. #firewall
13. #enables
14. #using
15. #iphone
16. #internet