SAA-C03

SNS+SQS vs Kinesis for Fanout | SAA-C03

18 December 2025·994 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix SNS SQS Kinesis Decoupling Event-Driven Architecture

When faced with extreme message volume spikes (100K msg/sec) and dozens of independent consumers, choosing between SNS+SQS fan-out, Kinesis streams, and autoscaling patterns determines both scalability and cost efficiency.

70TB NFS-to-S3 Migration Trade-offs | SAA-C03

16 December 2025·1093 words·6 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix AWS Snowball S3 File Gateway Data Migration Bandwidth Optimization

A 70TB NFS migration scenario that tests your understanding of AWS data transfer services, bandwidth constraints, and the critical trade-off between migration speed and network utilization. Learn why physical data transfer devices trump internet-based solutions at scale.

Shared State Storage Decision Trade-offs | SAA-C03

15 December 2025·843 words·4 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon EFS Application Load Balancer Multi-AZ Storage Architecture

When scaling a stateful web application across multiple Availability Zones, local EBS storage creates data silos. This drill explores the architectural decision between EBS replication, session affinity, and shared file systems like Amazon EFS.

Private S3 via VPC Endpoint Trade-offs | SAA-C03

14 December 2025·542 words·3 mins

Architecture Drills Cloud Provider AWS SAA-C03 FinOps VPC Endpoint Amazon S3 Security

A cloud application running on EC2 instances inside a VPC needs to privately access logs stored in Amazon S3 without internet connectivity. This drill explores how to securely enable S3 access by evaluating different AWS solution options.

S3 Log Analytics Trade-offs | SAA-C03

10 December 2025·1335 words·7 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon Athena S3 Serverless Analytics Amazon Redshift AWS Glue

A fintech startup needs to query JSON logs in S3 with minimal operational overhead and no infrastructure changes. This drill explores why serverless query engines beat traditional data warehouses for ad-hoc analytics workloads.

Global S3 Ingestion—Acceleration vs Replication | SAA-C03

9 December 2025·886 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix S3 Transfer Acceleration Data Ingestion Global Architecture

Analyze the decision logic behind choosing S3 Transfer Acceleration over multi-region replication strategies for global data ingestion workloads with high-speed connectivity.