What does Amazon RDS Multi-AZ deployment provide?
a) Enhanced availability and automatic failover for database instances
b) Support for multiple database engines
c) The ability to run queries on large datasets
d) A serverless database solution
Answer:
a) Enhanced availability and automatic failover for database instances
Explanation:
Amazon RDS Multi-AZ (Availability Zone) deployment provides enhanced availability and durability for RDS instances by automatically replicating data across multiple availability zones. In the event of an infrastructure failure or AZ outage, RDS automatically fails over to a standby instance in another AZ, minimizing downtime.
This feature is critical for production databases that require high availability and disaster recovery capabilities. Multi-AZ deployments ensure that applications can continue running without manual intervention during failure events.
With RDS Multi-AZ, users can achieve improved fault tolerance for critical database workloads.