You can back up the network environments by using the following zman commands:
network-environment-export-to-file (neetf): Exports a network environment’s information to an XML-formatted file.
network-environment-create (nec): Creates a network environment from the information contained in the specified XML file.
For more information about these commands and their usage, see Network Environment Commands
in the ZENworks 11 SP4 Command Line Utilities Reference.