AWS - Architecture Best Practices
To maximize reliability for a critical web application on AWS, which architectural approach is most effective?
To maximize reliability for a critical web application on AWS, which architectural approach is most effective?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify key reliability strategies
High reliability requires fault tolerance, failover, and data protection.Step 2: Evaluate options
Deploy across multiple AZs with automated failover and regular backups uses multiple AZs for fault tolerance, automated failover for quick recovery, and backups for data safety.Step 3: Eliminate less reliable options
Single AZ or no backups increase risk; spot instances are unreliable; client caching doesn't ensure availability.Final Answer:
Deploy across multiple AZs with automated failover and regular backups -> Option BQuick Check:
Multi-AZ and backups are core to reliability [OK]
Quick Trick: Multi-AZ deployment with failover and backups ensures reliability [OK]
Common Mistakes:
- Choosing single AZ deployment for critical apps
- Ignoring backups and failover mechanisms
- Relying on spot instances for critical workloads
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