Microsoft Knowledge Base Article 330511 contains the following summary:

A training course titled "Understanding and Troubleshooting DNS in Windows 2000" is available for download from the Microsoft Download Center.

This course provides in-depth discussion of Domain Name Service (DNS) as implemeted in Windows 2000, with emphasis on best practices for installing, maintaining, and troubleshooting the DNS Client service and DNS Server service in Windows 2000 networking and Active Directory directory service environments. Detailed discussion of DNS name resolution methods and namespace planning are included. Screen-capture demonstrations illustrate key administrative, configuration, and troubleshooting tasks.