# Data Archiving vs Backup One-sentence definition: Archiving preserves data for long-term retention/records; backups enable operational recovery. ## Key Facts - Archive: searchability, retention policy, legal/regulatory use. - Backup: near-term recovery, optimized for restore time. - Storage classes differ (cold vs hot); cost and access patterns vary. - Indexing/metadata key for archive; immutability for records. - Ensure both are covered in policy and tooling. - **Verify:** check official (ISC)² CBK and current exam outline. ## Exam Relevance - Choose archive vs backup solution for requirements. **Mnemonic:** “Archive = Keep; Backup = Bounce back.” ## Mini Scenario Q: Need to preserve emails for 7 years—what to use? A: Archiving with retention/hold features. ## Revision Checklist - Define purposes of each. - Name one tech feature unique to archiving. - Note immutability needs. ## Related [[Record Management and Data Retention]] · [[Backups for Data Protection (Domain 2 view)]] · [[eDiscovery and Data Retention]] · [[Data Minimization and Purpose Limitation]] · [[Data Residency and Sovereignty]] · [[Domain 2 - Index]]