SAP-C02

SCP Guardrails vs Delegation Decision | SAP-C02

17 January 2026·1321 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix AWS Organizations SCP IAM Governance

When developers can’t perform basic operations despite having IAM permissions, understanding the SCP hierarchy model becomes critical. This drill analyzes the fundamental principle of AWS Organizations permission boundaries.

BYOIP Outbound IPs—NAT vs Accelerator | SAP-C02

17 January 2026·1727 words·9 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix BYOIP NAT Gateway Global Accelerator VPC Third-Party Integration

A high-level summary: When migrating a web application to AWS that depends on a third-party API with strict IP whitelisting (single CIDR block), the correct solution is to use BYOIP (Bring Your Own IP) with NAT Gateway, not ALB or Global Accelerator. This drill deconstructs why outbound traffic routing—not inbound traffic acceleration—is the critical constraint.

FinOps Cost Allocation Decisions for Shared VPCs | SAP-C02

17 January 2026·1765 words·9 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Cost Explorer Cost Allocation Tags AWS Billing Multi-Team Governance

A manufacturing IoT platform needs granular cost attribution across three engineering teams sharing a single VPC. This drill explores the strategic differences between user-defined tags, AWS-generated tags, Cost Categories, and Cost Explorer for achieving enterprise-grade FinOps visibility and accountability.

Lambda Cost Reporting Trade-offs | SAP-C02

16 January 2026·1357 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix AWS Compute Optimizer Lambda CloudWatch API Gateway EventBridge Cost Optimization

This SAP-C02 scenario examines how to generate recurring Lambda cost optimization reports with minimal development effort. The key decision: leverage managed AWS Compute Optimizer APIs versus building custom CloudWatch metric extraction logic.

Central IP Allowlists Across Accounts—Trade-offs | SAP-C02

15 January 2026·1288 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix AWS RAM VPC Prefix Lists AWS Organizations Transit Gateway Multi-Account

A financial services firm needs to centrally manage global office IP ranges across 50+ AWS accounts. This drill dissects why VPC Prefix Lists with AWS RAM outperform S3-based automation and AWS Config remediation in scalability, cost, and operational simplicity.

CloudFront Multi-Region Failover Trade-offs | SAP-C02

14 January 2026·1212 words·6 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix CloudFront Multi-Region High Availability Origin Failover

When designing multi-region failover for a CloudFront distribution with dynamic content, should you replicate CloudFront, use origin groups, or deploy Global Accelerator? This drill dissects the FinOps and architectural implications.

S3 Encryption Decision—KMS vs SSE Trade-offs | SAP-C02

14 January 2026·817 words·4 mins

Architecture Drills Cloud Provider (AWS) SAP-C02 FinOps Decision Matrix Amazon S3 KMS Encryption

This drill explores updating an existing S3 bucket from SSE-S3 to customer-managed encryption keys, balancing security requirements with cost and operational complexity.

End-to-End TLS—Cert Ops vs Cost | SAP-C02

13 January 2026·1364 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Application Load Balancer TLS/SSL AWS Certificate Manager Security End-to-End Encryption

Achieving true end-to-end encryption requires certificates on both the load balancer AND backend instances. This drill explores why ACM alone isn’t enough and how to balance security requirements with operational complexity.

Lambda Static Egress IP via NAT Gateway | SAP-C02

12 January 2026·1748 words·9 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Lambda NAT Gateway VPC Networking Serverless

Explore how to architect serverless applications requiring static egress IPs through NAT Gateway versus Internet Gateway alternatives, with FinOps impact analysis for professional-level decision-making.

Webhook Migration Trade-offs | SAP-C02

11 January 2026·1537 words·8 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Lambda API Gateway Serverless Migration

A professional-level analysis of migrating on-premises Git webhook integrations to serverless AWS architectures, comparing Lambda Function URLs, API Gateway, App Runner, and ECS Fargate through FinOps and decision trade-off lenses.