1) Write down the services that are provided by PGP services.
2) Explain X.509 Standard in detail.
3) Write IPSEC ESP Format.
4) Write down the security options that PGP permits when sending the email message.
5) How IPSec does offer authentication and confidentiality services?
6) What is the function of Ticket Granting Server in inter realm operations of Kerberos?
7) Why the leading two octets of message digest are stored in PGP message along with encrypted message digest?
8) Write down the scenario where Kerberos scheme is preferred.
9) Write down the technical deficiencies that are present in the Kerberos version 4 protocols?
10) What do you mean by S/MIME? Explain in detail with diagram.