Well-Architected Framework

12 min · Module 3

Six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, Sustainability. Use them to review designs — not as a product checklist to memorize blindly.

Example / notes

# Reliability example questions
# Multi-AZ? Backups/RPO-RTO? Throttling/backoff? Change management?
# Cost: right-size, reserved/savings plans, storage classes, turn off idle

Practice in Lab: /lab/

← VPC, subnets, and gateways

Modules in this track

2. Accounts, IAM & shared responsibility
- Shared responsibility model
- IAM users, roles, and policies
3. VPC & Well-Architected basics
- VPC, subnets, and gateways
- Well-Architected Framework