Practice Quiz in Security in the Internet: IPSec, SSL/TLS, PGP, VPN, and Firewalls Part 2

Question 11. In PGP, to exchange e-mail messages, a user needs a ring of _______ keys.

Question 12. IPSec uses a set of SAs called the ________.

Question 13. An _________ is a network that allows authorized access from outside users.

Question 14. One security protocol for the e-mail system is _________.

Question 15. Typically, ______ can receive application data from any application layer protocol, but the protocol is normally HTTP.

Question 16. A ______ provides privacy for LANs that must communicate through the global Internet.

Question 17. In _____, there can be multiple paths from fully or partially trusted authorities.

Question 18. The Internet authorities have reserved addresses for _______.

Question 19. ________ provides privacy, integrity, and authentication in e-mail.

Question 20. _________ operates in the transport mode or the tunnel mode.