The **AWS Solutions Architect Associate (SAA-C03)** certification is the gold standard for validating Cloud architecture skills. It remains the most sought-after certification by recruiters. It validates your ability to design robust, scalable, and cost-effective distributed solutions on AWS.
Answer : Multi-AZ Deployment.
Availability Zones are physically separate data centers. Deploying across multiple zones ensures the application stays available if one zone fails.
Answer : Amazon SQS (Simple Queue Service).
SQS stores messages between services, ensuring data is not lost even if the consuming service is temporarily unavailable.
Answer : S3 Standard-IA (Infrequent Access).
S3 Standard-IA provides lower storage costs but charges for retrieval, while maintaining millisecond latency.
Answer : Auto Scaling.
Auto Scaling monitors applications and automatically adjusts capacity to maintain steady performance at the lowest possible cost.
Answer : AWS WAF (Web Application Firewall).
WAF allows creating security rules to filter HTTP/S traffic and protect against common web vulnerabilities.