AWS Certified DevOps Engineer - Professional (DOP-C02) Domain 3

Resilient Cloud Solutions

Official Exam Guide: Domain 3: Resilient Cloud Solutions

Skill Builder: AWS Certified DevOps Engineer - Professional Exam Prep

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Domain Overview

Domain 3 (15%) focuses on implementing highly available solutions, scalable solutions, and automated recovery processes to meet RTO and RPO requirements.

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Task 3.1: Implement highly available solutions

Essential Documentation:

• Application Load Balancer Guide
• Amazon Route 53 Developer Guide
• Amazon RDS Multi-AZ
• Aurora Replication
• DynamoDB Global Tables
• S3 Replication

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Task 3.2: Implement scalable solutions

Essential Documentation:

• Amazon EC2 Auto Scaling
• Amazon ECS Developer Guide
• Amazon EKS User Guide
• AWS Lambda Developer Guide
• Amazon API Gateway Developer Guide
• Amazon ElastiCache for Redis

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Task 3.3: Implement automated recovery processes

Essential Documentation:

• AWS Backup Developer Guide
• AWS Elastic Disaster Recovery
• Reliability Pillar - Well-Architected

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AWS Service FAQs

• Elastic Load Balancing FAQs
• AWS Auto Scaling FAQs
• AWS Backup FAQs

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Study Tips

1. Master high availability - Multi-AZ deployments, load balancing across AZs, Route 53 health checks and failover routing.

2. Learn auto scaling - EC2 Auto Scaling groups, target tracking policies, step scaling, scheduled scaling, ECS/EKS auto scaling.

3. Understand DR strategies - Backup/restore (cheapest, slowest), pilot light, warm standby, multi-site (fastest, most expensive).

4. Practice RTO/RPO - Match DR strategy to RTO/RPO requirements, test failover procedures, automate recovery.

5. Study container orchestration - ECS capacity providers, EKS cluster autoscaler, Fargate auto scaling.

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Note: This is Domain 3 of 6, representing 15% of exam content.