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AWS Certified Solutions Architect study material · question 192 of 500

A Multi-AZ DB instance deployment is in place and the team wants the standby to serve read traffic. What must change?

  1. Move to a Multi-AZ DB cluster deployment, whose standbys can answer reads
  2. Enable cross-zone load balancing on the database
  3. Promote the standby to a read replica
  4. Nothing, because the standby already serves reads
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Answer: A. Move to a Multi-AZ DB cluster deployment, whose standbys can answer reads

A Multi-AZ DB instance keeps one standby for failover only; a Multi-AZ DB cluster has two standbys that also serve read queries.

Source: Configuring and managing a Multi-AZ deployment for Amazon R… (Amazon Web Services) — Multi-AZ deployments

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