This deep dive covers Deep Dive: Backup Types within Utility Software for GCSE Computer Science. Revise Utility Software in Systems Software for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 4 of 6 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 4 of 6
Practice
15 questions
Recall
10 flashcards
Deep Dive: Backup Types
Full Backup: Copies everything. Takes longest but simplest to restore.
Incremental Backup: Only copies files changed since last backup. Fast but needs all incremental backups to restore.
Differential Backup: Copies files changed since last full backup. Balance of speed and restore simplicity.
3-2-1 Rule: 3 copies, 2 different media types, 1 offsite (cloud)