Managing Data

Backup Techniques

Backup techniques in the WACE syllabus falls under four main types, full, differential, incremental and daily.

Full Backup

A backup that makes a copy of the entire contents of a system onto an external source. 

Advantages:

  • Consolidated, central location for all backups

Disadvantages

  • Backup process uses the largest volume of storage space

  • Requires the longest time to complete the backup

Differential

A backup that makes a copy of all new or modified files since the last full backup. 

Advantages:

  • Uses less space than a full backup

  • Faster to complete a differential backup than a full backup

Disadvantages

  • Backup files are scattered amongst multiple locations

Incremental

A backup that makes a copy of all new or modified files since the last full backup or incremental backup.

Advantages:

  • Uses less space than a full backup

  • Faster to complete a incremental backup than a full backup

Disadvantages

  • Backup files are scattered amongst multiple locations

Daily

A backup that makes a copy of all new or modified files on the day of the backup. Daily backups are performed each day.

Advantages:

  • Uses least amount of space

  • Shortest backup time

  • Regular backing up of files

Disadvantages

  • Backup files are scattered amongst multiple locations

2020 WA Young Achiever Awards
Semi-Finalist | Youth Group Category

Award-nominated in conjunction with Curtin Consulting Group

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