aws-solutions-architect-professionallisted

# AWS Certified Solutions Architect – Professional (SAP-C02) — Skills Reference ## Overview Operational playbook for designing complex AWS architectures. Each section states the rule an architect applies when reviewing or designing: decision criteria for picking services, anti-patterns to catch in design reviews. **Verify against the live account** — limits, pricing, and feature availability change frequently. > **Load this skill when…** evaluating or designing complex AWS architectures across multiple accounts or regions; choosing connectivity patterns (TGW, VPC Peering, Direct Connect, PrivateLink); planning migration strategy (7 Rs, tooling, wave planning); or making cost/resilience/performance trade-offs at enterprise scale. > **Not this skill:** pipeline/IaC delivery → see `aws-devops-engineer-professional`; deep security control design → see `aws-security-specialty`. > **Study resources, whitepapers, practice exams, and credential logistics:** [references/study-resources.md](references/study-resources.md). > **Verify steps assume nothing about your tooling** — use your project's MCP/automation, the AWS CLI (`aws`) or CloudShell, or the AWS Console, in that order of preference. --- ## Uncertainty & Escalation - **Always re-verify live — volatile facts:** Transit Gateway per-attachment and per-GB pricing `[volatile — verify live]`, Direct Connect port speeds and availability by location `[volatile — verify live]`, Lambda default concurrent executions per account p