A differential backup is always based on the last complete backup. Differential backup: All data (files or bits) that have been changed since the last complete backup or have been added are copied to the backup medium.Complete backup: The selected files (file-level backup) or the entire drive (image-based backup) are completely copied to the backup medium.A partial backup is either implemented as a differential backup or an incremental backup.

The latter only synchronizes new and changed files or bits. In the case of a server or workstation, all files and programs including the operating system and configuration can be saved.īoth types of backups can be implemented as a complete backup or a partial backup. Image-based backup software creates an exact bit copy of all chosen data. An image contains a direct core image of the chosen data medium (hard drive, flash drive, optical medium, etc.). Imaging software : An alternative to file-level backup is data security with the help of images at the bit level.Users are given the option to select which files or folders of their system are backed up and which aren’t. With this backup strategy, the single file is the smallest unit to be recovered. File-level backup software: With a file-level backup, a security backup copy is made at the file level.Backups are then either file-level backups or image-based backup procedures.

Instead, tools are used that automate data security. And these are no longer created manually. More and more companies protect their daily business using electronic information technology (IT) – in the event of an accident, security backups prevent the loss of any data. Data security is a central component of IT project rescue ( disaster recovery).

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