Decision Matrix

S3 Tiering Decisions for Lowest Cost | SAA-C03

25 December 2025·586 words·3 mins

Architecture Drills Cloud Provider (AWS) SAA-C03 FinOps Decision Matrix Amazon S3

This drill explores how to optimize cost while ensuring compliance and accessibility by selecting the appropriate S3 storage tiers and lifecycle transitions for varying access patterns.

Cross-Account Route 53 PHZ Trade-offs | SAP-C02

25 December 2025·1203 words·6 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Route 53 Cross-Account DNS VPC

A multi-account DNS resolution failure reveals the critical difference between VPC association and authorization grants. This drill explores why correct sequencing of Route 53 cross-account operations matters more than DNS record configuration.

S3 Storage Class Trade-off Logic | SAA-C03

25 December 2025·480 words·3 mins

Architecture Drills Cloud Provider AWS AWS SAA FinOps Decision Matrix Amazon S3

This drill explores choosing the best Amazon S3 storage class to balance availability, access patterns, and cost for a media startup’s digital asset storage.

ASG Lifecycle Hooks Log Retention Trade-offs | SAP-C02

25 December 2025·1425 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Auto Scaling Lifecycle Hooks Systems Manager EventBridge Lambda Observability

A real-world scenario analyzing how to prevent log data loss during EC2 instance termination in Auto Scaling groups. Explores lifecycle hooks, Systems Manager automation, and the critical difference between ABANDON and CONTINUE signals.

Flash Sale Serverless Scaling Trade-offs | SAA-C03

25 December 2025·1099 words·6 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix CloudFront Lambda DynamoDB S3 Serverless Auto Scaling

Analyze the trade-offs between serverless, container-based, and traditional EC2 architectures for handling millions of hourly requests in a daily flash sale scenario, focusing on latency, scalability, and operational simplicity.

EC2 to S3 Access—Role vs Keys | SAA-C03

24 December 2025·904 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix IAM EC2 S3 Security Best Practices

A foundational AWS scenario exploring how to securely grant EC2 instances access to S3 storage. We analyze the trade-offs between IAM roles, hardcoded credentials, and unnecessary networking components.

Hybrid Patch Management Governance Trade-offs | SAP-C02

24 December 2025·1031 words·5 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix AWS Systems Manager Hybrid Cloud Patch Management Compliance Reporting

A hybrid enterprise needs unified patch reporting across on-premises and AWS EC2 instances. This drill analyzes why Systems Manager beats OpsWorks, EventBridge+Inspector, and X-Ray for compliance automation.

EC2 to S3 Access—Role vs Keys | SAA-C03

24 December 2025·799 words·4 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix IAM EC2 S3 VPC Security Best Practices

A foundational SAA-C03 scenario examining why IAM Roles trump static credentials for EC2-to-S3 authentication, with focus on security posture and operational efficiency.

Secure Multi-Source Reporting Trade-offs | SAA-C03

24 December 2025·723 words·4 mins

Architecture Drills Cloud Provider (AWS) SAA FinOps Decision Matrix Amazon QuickSight AWS Glue Amazon Athena

A mid-sized analytics firm needs a secure reporting solution that consolidates data from S3 and a managed PostgreSQL database, while enforcing fine-grained access controls. We analyze multiple AWS service options to find the best trade-off.

Cross-Account VPC Sharing Trade-offs | SAP-C02

24 December 2025·1534 words·8 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix AWS RAM VPC Sharing AWS Organizations Network Architecture Multi-Account Strategy

A professional-level analysis of cross-account VPC sharing strategies, comparing Transit Gateway, VPC Peering, and AWS Resource Access Manager approaches for centralized network governance in multi-account AWS Organizations.