"Session 2.3. Backup" session describes a functionality that is only supported in the EAP 4.x plugin. Some customers are complaining because they were expecting the same behaviour in both plug-ins. It's important to describe that the functionality is not supported in EAP 5.x in a Note or specify that it's just for EAP 4.x. To see the full documentation, access: http://docs.redhat.com/docs/en-US/JBoss_Operations_Network/2.4/html/Basic_Admin_Guide/sect-Basic_Admin_Guide-Importing_and_Organizing_Resources-Backup.html
The docs now explicitly say this is for EAP 4.x only: http://docs.redhat.com/docs/en-US/JBoss_Operations_Network/2.4/html/Basic_Admin_Guide/sect-Basic_Admin_Guide-Importing_and_Organizing_Resources-Backup.html
Closing as the documentation has been updated long time ago.