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CertExams/SAA-C03/AWS_Scope/18_FinalSummary

19. Final Study Summary

Domain Key Services Primary Exam Objective (Sub-Domain Focus)
Secure Architectures IAM, KMS, WAF, Secrets Manager, Shield, Cognito, PrivateLink Implement the Principle of Least Privilege, Encryption at Rest/Transit, and Defense in Depth at the Edge and VPC boundaries.
Resilient Architectures Route 53, ELB, Auto Scaling, Multi-AZ RDS, S3, SQS, DR Strategies Design Multi-AZ/Multi-Region systems that handle failure gracefully, minimize RPO/RTO, and decouple components via queuing.
High-Performing Architectures EC2 (Instance Types), Lambda, Aurora, ElastiCache, CloudFront Select the right compute/storage paradigm for the workload and use caching to optimize latency and throughput.
Cost-Optimized Architectures S3 Storage Classes, Savings Plans, Spot Instances, Compute Optimizer Select the most cost-effective resources, automate right-sizing, and implement commitment-based discounts for steady-state workloads.
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