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AWS Certified Solutions Architect - Professional · AWS
Select one answer.
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EC2 with AWS Elastic Disaster Recovery → meets App RPO ~seconds (≤2 min target) and RTO ≤ 30 min by spinning up in DR Region. RDS cross‑Region read replica → DB RPO ≤ 5 min, promote on failover to meet RTO ≤ 30 min. ALB in second Region + AWS Global Accelerator → health‑based regional failover with optimal latency post‑failover (anycast entry + optimized paths). DNS pointed to Global Accelerator → stable endpoint; no big app changes.
Why not C?
just A
DRS Maintains state of EC2 machines while snapshot doesnt