Click on the Trash button to view the list of drop-down options and then click on Network Configurations to access list of all deleted network configurations.
To restore deleted network configuration, click on restore button; pop-up is displayed asking confirmation on restore action, if the network configuration is to be restored, then click on Ok button. corresponding network configuration gets restored. If there is no need to restore network configuration, then click on Cancel button. Corresponding network configuration does not get restored.