What is backup ???????
Backup refers to the copying of physical or virtual files or databases to a secondary site for preservation in case of equipment failure or other catastrophe
usually it used cloud storage as a off-site backup .
What is the category of Backup ????????
- full
- differential
- incremental
- selective
- continuous data protection
- cloud
Three-Generation Backup policy
grandparents-------> parents--------> chlid
Backup Methods
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