Global infrastructure · Question 11 of 12
An application consists of two EC2 instances in the same Availability Zone and an RDS database without Multi-AZ. Which changes remove the weak points if an Availability Zone fails?
2 answers are correct. Hard Created with AI
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Answer
- B Enabling Multi-AZ for the RDS database
- D Spreading the instances across two Availability Zones via an Auto Scaling group
Explanation
Currently the failure of one Availability Zone takes everything down. Distributed instances behind a load balancer and a Multi-AZ database with automatic failover keep the application running. Larger instances or nightly exports change nothing about that.