Home » Amazon » AWS Certified Cloud Practitioner » Which Amazon RDS feature can be used to achieve high availability?
Which Amazon RDS feature can be used to achieve high availability?
A. Multiple Availability Zones
B. Amazon Reserved Instances
C. Provisioned IOPS storage
D. Enhanced monitoring
Correct Answer: A
Explanation/Reference:
Amazon RDS provides high availability and failover support for DB instances using Multi-AZ deployments. Amazon RDS uses several different technologies to provide failover support. Multi-AZ deployments for Oracle, PostgreSQL, MySQL, and MariaDB DB instances use Amazon’s failover technology. SQL Server DB instances use SQL Server Database Mirroring (DBM).
Reference: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html
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