SAA-C0320% of the exam
Design Cost-Optimized Architectures
Cost-optimised storage, compute, database and network solutions — the cheapest design that still meets the requirement, not the cheapest design.
What this domain is worth
Amazon Web Services publishes this domain at 20% of SAA-C03. On a 50-question scored exam that is roughly 10 questions. It is the fourth heaviest of the 4 domains, which is why our mock exams allocate questions by weight rather than evenly.
What it covers
Compute cost
2Purchase options, Spot, Savings Plans, right-sizing and serverless economics.
Practise Compute cost →Storage cost
2Lifecycle policies, storage classes, Intelligent-Tiering and retrieval charges.
Practise Storage cost →Data transfer cost
1Egress charges, NAT gateway costs, VPC endpoints and cross-AZ traffic.
Practise Data transfer cost →Cost governance
1Budgets, Cost Explorer, tagging strategy and chargeback across accounts.
Practise Cost governance →