You want to design a fault-tolerant application that remains available even if an entire AWS Region fails. What is the best approach?

hard📝 Application Q8 of 15

AWS - Cloud Computing Fundamentals

ADeploy the application in multiple AZs within a single Region

BUse only one AZ with backup snapshots

CDeploy the application across multiple AWS Regions

DDeploy in a single Region and rely on AWS backups

Step-by-Step Solution

Solution:

Step 1: Understand fault tolerance across Regions
To survive a full Region failure, deployment must span multiple Regions.
Step 2: Compare options
Deploy the application across multiple AWS Regions correctly suggests multi-Region deployment; others only protect against AZ or local failures.
Final Answer:
Deploy the application across multiple AWS Regions -> Option C
Quick Check:
Region failure tolerance = Multi-Region deployment [OK]

Quick Trick: Multi-Region deployment protects against Region failure [OK]

Common Mistakes:

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