What You'll Be Tested On

Evaluating existing architectures with the AWS Well-Architected Framework
Improving cost efficiency with rightsizing, purchasing models, storage lifecycle, and usage visibility
Enhancing observability with centralized logging, metrics, traces, alarms, auditing, and compliance checks
Improving security posture with least privilege, encryption, network controls, threat detection, and automated remediation
Increasing reliability and performance through scaling, caching, database tuning, and managed service adoption

Key AWS Services in This Domain

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Existing-solution questions usually ask for the least disruptive improvement that satisfies the new requirement.

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Cost optimization is not just cheaper instances. Include storage lifecycle, data transfer, architecture fit, and purchasing models.

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Use CloudWatch for metrics/logs, CloudTrail for API auditing, Config for configuration history/compliance, and X-Ray for tracing.

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Prefer automated remediation when a compliance or operational issue will recur.

Test your knowledge of Continuous Improvement for Existing Solutions with practice questions from our SAP-C02 question bank.