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Disaster Recovery Strategies

AWS Cloud Practitioner to Architect: 0 to Hero

Disaster Recovery (DR)

4 Main Strategies:

  1. Backup & Restore: Cheap, but slow recovery.
  2. Pilot Light: Small version of app always running.
  3. Warm Standby: Scaled-down version of full environment.
  4. Multi-Site (Hot Standby): Fully functional copy in another region (Zero downtime).