AWS - Architecture Best Practices
Which AWS feature helps maintain application availability during a single data center failure?
Which AWS feature helps maintain application availability during a single data center failure?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Availability Zones
Availability Zones are isolated locations within a region that help prevent single points of failure.Step 2: Deploy across multiple AZs
Deploying resources in multiple AZs ensures that if one AZ fails, others can continue serving traffic.Final Answer:
Deploying resources across multiple Availability Zones -> Option AQuick Check:
High availability = Multi-AZ deployment [OK]
Quick Trick: Spread resources across AZs to avoid single point failure [OK]
Common Mistakes:
- Using a single instance risks downtime
- Storing data in one bucket doesn't ensure availability
- Running all services in one region ignores AZ isolation
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