Sony Storage Guide A4 Why to Backup
Types of backup
There are several levels and types of backup:
■ Full backup – usually done daily, weekly, or monthly. Includes both system and data files
■ Incremental backup – backs up only files that have changed since the last full or incremental backup
■ Differential backup – backs up every file that has changed since the last full backup
■ Archiving – when data is stored with the possibility of using it quickly and in random order
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