What You'll Be Tested On
- Selecting optimal compute solutions (EC2, Lambda, ECS, Fargate)
- Storage performance: EBS IOPS, S3 Transfer Acceleration, CloudFront caching
- Database performance: read replicas, DAX, ElastiCache
- Network optimization: CloudFront, Global Accelerator, placement groups
- Data ingestion and transformation (Kinesis, Glue)
- Caching strategies and content delivery
Key AWS Services in This Domain
Exam Tips for Domain 3
CloudFront is used to cache and deliver content closer to users globally.
ElastiCache Redis is preferred when persistence and advanced data structures are needed.
gp3 volumes decouple IOPS from volume size — know the baseline and max IOPS.
Use S3 Transfer Acceleration for uploads from geographically distant clients.
Practice Domain 3 Questions
Test your knowledge of Design High-Performing Architectures with practice questions from our SAA-C03 question bank.
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