AWS - Architecture Best Practices
If a disaster occurs, which disaster recovery strategy will have the shortest recovery time objective (RTO)?
If a disaster occurs, which disaster recovery strategy will have the shortest recovery time objective (RTO)?
medium📝 Conceptual Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand recovery time objectives
Warm standby runs systems ready to scale, so it recovers faster than pilot light or backup.Step 2: Compare strategies
Backup and restore and cold site take longer; pilot light is faster but slower than warm standby.Final Answer:
Warm standby -> Option CQuick Check:
Shortest RTO = Warm standby A [OK]
Quick Trick: Warm standby recovers fastest among these options [OK]
Common Mistakes:
- Choosing backup as fastest recovery
- Confusing pilot light with warm standby speed
- Assuming cold site is fast recovery
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