ExpertHard1 markMultiple Choice
AWS SAA-C03 · Question 26 · Domain 2.2: Highly Available Architectures
A company is designing a disaster recovery (DR) strategy for their critical application. They require a Recovery Time Objective (RTO) of less than 15 minutes. They want to minimize costs but are willing to pay for necessary resources. Which TWO DR strategies would meet the RTO requirement? (Select TWO.)
A company is designing a disaster recovery (DR) strategy for their critical application. They require a Recovery Time Objective (RTO) of less than 15 minutes. They want to minimize costs but are willing to pay for necessary resources. Which TWO DR strategies would meet the RTO requirement? (Select TWO.)
Answer options:
A.
Backup and Restore
B.
Pilot Light
C.
Warm Standby
D.
Multi-Site Active/Active
E.
Cross-Region Snapshot Copy
How to approach this question
Evaluate DR strategies based on RTO. <15 mins requires infrastructure to be already running.
Full Answer
Warm Standby, Multi-Site Active/Active
Warm Standby ensures a scaled-down version of the application is always running, allowing rapid scaling and failover (RTO in minutes). Multi-Site Active/Active has zero downtime (RTO near zero). Pilot Light and Backup/Restore take too long.
Common mistakes
Selecting Pilot Light, which usually takes tens of minutes to hours to scale up compute resources.
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