Lesson 4: Applied Design, Validation, and Best Practices

Topics Covered

• Security, encryption, and governance
• Performance and cost optimization
• Pipeline troubleshooting and operational readiness
• Scenario-based review and architecture trade-offs
• Validation checklist and improvement plan

Practical Activity

Review a complete solution, justify design decisions, and produce a prioritized improvement plan.

• Document assumptions, selected services or concepts, and expected outcomes.
• Record validation evidence, risks, and any required corrective action.

Lesson Outcome

Learners can explain and apply the lesson topics within a realistic Data Engineering on AWS scenario.