Implement scalability and elasticity.
3 practice questions under this official exam objective (SOA-C03) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
How to Automatically Modify EC2 Spot Requests When Capacity Is Unavailable?
This scenario tests how to detect EC2 Spot request capacity failures and automatically modify the request to add another instance family. The correct
How Should EC2 Auto Scaling Maintain 50% CPU Headroom and Daily Peaks?
This question tests how to combine EC2 Auto Scaling target tracking with scheduled scaling for a workload that needs 50% CPU headroom and predictable
Scale a Stateless Web App and Make PostgreSQL Highly Available?
This scenario tests decoupling a stateless web tier with an Auto Scaling group and Application Load Balancer while moving PostgreSQL to an Amazon RDS