Discussion
ITU-T recommendation X.509 is part of the X.500 series of recommendations that define a directory service. The directory is, in effect, a server or distributed set of servers that maintains a database of information about users. The information includes a mapping from user name to network address, as well as other attributes and information about the users. For this discussion, please provide thorough responses to the following:
1) Describe the X.509 certificate and standard.
2) What is the purpose of the X.509 standard?
3) How is an X.509 certificate revoked?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.