Password program

From: Brian Zee (brianz_at_erols.com)
Date: 05/30/03 

Date: Fri, 30 May 2003 12:37:05 -0700

I would like to write a program to allow users to reset
their passwords by answering questions from a
questionaire. Can anyone give me any pointers on what
technology is used for this? For example, using LDAP to
access AD etc. Any examples would be helpful as well.
Thanks in advance.