Write short notes on Full backup vs incremental backup

A Management Information System ICT Revision Questions and Answers

Answer
Full Backup vs Incremental Backup
Full Backup: A Full Backup captures all files on the disk or within the folder selected for backup. With a full backup system, every backup generation contains every file in the backup set. However, the amount of time and space such a backup takes prevents it from being a realistic proposition for backing up a large amount of data.

Incremental Backup: An Incremental Backup captures files that were created or changed since the last backup, regardless of backup type. This is the most economical method, as only the files that changed since the last backup are backed up. This saves a lot of backup time and space. Normally, incremental backup are very difficult to restore. One will have to start with recovering the last full backup, and then recovering from every incremental backup taken since.



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