https://www.youtube.com/playlist?list=PLbssOJyyvHuXJyAmhI1SQZT-1icaH9FGl for the video's from Dell Support.

Official training courses:

NetWorker Fundamentals MR-1WP-NWFUN
NetWorker Cloud Enablement MR-1WP-NWCLD
NetWorker Implementation and Management MR-1CP-NWIM
NetWorker Implementation and Management - OILT MR-1LP-NWIM
NetWorker Implementation and Management On-Demand Lab - North America MR-1ON-NWIM9ODL-NA

Wrg to best practices, you'd have to do a lot of reading between the lines. There are various lists with things for settings and maximum values and system requirements to take into account and the ports used by the various components, however wrg to naming conventions, those you would have to think about yourself as Dell doesn't go beyond examples to call something "test" or "backup".

The NW manuals "NW security configuration guide" and "Performance Optimization Planning Guide" are also good resources to be aware of and sift through. If you are at it, read through the whole documentation portfolio and don't forget the manuals for the NW modules.

The required port overviews from NW vmware integration and security configuration guides:

NW ports:

 

NW VMware integration: