A company wants to provide data scientists with near real-time read-only access to the company’s production Amazon RDS for PostgreSQL database. The database is currently configured as a Single-AZ database. The data scientists use complex queries that will not affect the production database. The company needs a solution that is highly available. Which solution will meet these requirements MOST cost-effectively?

Topic #: - All AWS Certified Solutions Architect - Associate SAA-C03 Questions

A. Scale the existing production database in a maintenance window to provide enough power for the data scientists.
B. Change the setup from a Single-AZ to a Multi-AZ instance deployment with a larger secondary standby instance. Provide the data scientists access to the secondary instance.
C. Change the setup from a Single-AZ to a Multi-AZ instance deployment. Provide two additional read replicas for the data scientists.
D. Change the setup from a Single-AZ to a Multi-AZ cluster deployment with two readable standby instances. Provide read endpoints to the data scientists.

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