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AWS Certified Solutions Architect study material · question 161 of 500

In a pilot light strategy, which components stay running in the recovery Region?

  1. Application servers, while databases are restored on demand
  2. Everything, at full production capacity
  3. Nothing, until failover is declared
  4. Databases and object storage, while application servers stay switched off
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Answer: D. Databases and object storage, while application servers stay switched off

Pilot light keeps the data replication and core storage always on and leaves compute switched off, which is what holds the standing cost down.

Source: Disaster recovery options in the cloud (Amazon Web Services) — Pilot light

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