Day 3 - Final Review 3: Security, Monitoring, CI/CD

📅 Date: August 11, 2026 (Tuesday)
🎯 Topic: Final Review of Security/Monitoring/CI/CD
⏱️ Study Time: Approximately 120 minutes

---

🎯 Learning Objectives

• Complete final review of core exam topics for Security, Monitoring, and CI/CD
• Solve frequently appearing security and operational questions

---

📖 Final Core Summary

Security Core Memory Anchors

KMS Direct Encryption: Max 4KB
Envelope Encryption: GenerateDataKey, for data >4KB
CMK: $1/month, key policy required
Secrets Manager: Auto rotation, $0.40/secret, 65KB
Parameter Store: Standard free, SecureString = KMS encrypted
Cognito User Pool: JWT, API Gateway Authorizer
Cognito Identity Pool: JWT → IAM temporary credentials → AWS resources
WAF: Layer 7, SQL/X