AWS - EC2 Fundamentals
You want to save costs by stopping an EC2 instance but keep its data intact. Which storage type must the instance use to ensure data persists after stopping?
You want to save costs by stopping an EC2 instance but keep its data intact. Which storage type must the instance use to ensure data persists after stopping?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand storage types and persistence
EBS volumes persist data independently of instance state; instance store does not.Step 2: Identify storage that keeps data after stop
EBS-backed instances keep data after stopping; instance store loses data.Final Answer:
EBS-backed storage -> Option BQuick Check:
EBS = persistent storage after stop [OK]
Quick Trick: Use EBS to keep data when stopping instances [OK]
Common Mistakes:
- Choosing instance store which is ephemeral
- Confusing S3 with instance storage
- Thinking ephemeral storage persists
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