With Nero BackItUp, you can create a bootable CD or DVD including Nero BackItUp ImageTool. The FTP servers that you entered in the Nero BackItUp options are applied.
To create a bootable CD/DVD, proceed as follows:  
1.
Insert a writable CD/DVD in the burner.
2.
Click the Tools > Create Nero BackItUp ImageTool Disc menu.
3.
The Create bootable disc screen is opened.
4.
Select the appropriate burner in the Optical Disc drop-down menu.
5.
Select the type of the inserted disc (CD or DVD) in the Disc type drop-down menu.
6.
Click the  Nero BackItUp backup now24 389988107 Creating Bootable Nero BackItUp ImageTool button.
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The creation process begins; you can track the process via the messages in the task bar. After the creation process is completed, the disc is ejected. You have created a bootable disc that can be used to start Nero BackItUp ImageTool.
See also
Nero BackItUp ImageTool
Bootable CD
Booting refers to loading the operating system when a computer is started. This is normally done from the hard drive. However, if you do not want to boot or cannot boot your computer from your hard drive for whatever reason, you can load an operating environment from the drive with a boot CD.

Creating Bootable Nero BackItUp ImageTool