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Which is the standard AWS pattern for high availability at reasonable cost?

  1. A Multiple instances spread across availability zones behind a load balancer
  2. B A single large instance
  3. C Multi-region active-active
  4. D Daily snapshots only
Answer

Multiple instances spread across availability zones behind a load balancer

Zones are physically separate with independent power and networking, and inter-zone latency is low enough for synchronous designs.

All AWS MCQs

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