AWS - Cloud Computing Fundamentals
You have an application deployed in us-east-1a and us-east-1b AZs. If us-east-1a experiences a power outage, what happens to your application?
You have an application deployed in us-east-1a and us-east-1b AZs. If us-east-1a experiences a power outage, what happens to your application?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand AZ isolation and redundancy
AZs are isolated; failure in one does not affect others if app is deployed in multiple AZs.Step 2: Analyze options
The application remains available via us-east-1b AZ correctly states the app stays available via the unaffected AZ.Final Answer:
The application remains available via us-east-1b AZ -> Option DQuick Check:
Multi-AZ deployment = Availability during AZ failure [OK]
Quick Trick: Multi-AZ keeps app running if one AZ fails [OK]
Common Mistakes:
- Assuming entire app fails
- Thinking AWS auto-moves app cross-region
- Believing data is lost permanently
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