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Phase 15 · Interview Preparation

Architecture & Design

High Availability & DR Questions

Part of the Cloud Computing Roadmap.

Summary

'How would you design for 99.99% uptime?' or 'walk me through your disaster recovery plan for X' — testing Phase 11's HA patterns and Phase 13's DR strategy knowledge together.

How to Learn This

  • 1Review Phase 11's HA patterns and Phase 13's DR strategies before this type of interview.
  • 2Prepare to discuss RTO/RPO trade-offs for a specific hypothetical scenario.
  • 3Practice explaining why multi-AZ differs from multi-region, and when each is justified.

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