Study DVA-C02 Deployment: key concepts, common traps, and exam decision cues.
Deployment on DVA-C02 is not just “push code to AWS.” AWS wants developers to understand how artifacts are packaged, how environments differ, how tests run before promotion, and how to reduce blast radius when releases fail.
I verified the current DVA-C02 Domain 3 task statements on May 11, 2026. AWS currently expresses this domain as four task statements:
AWS currently weights Deployment at 24% of scored content.
AWS is not asking you to design the whole platform delivery organization. It is asking whether you understand the developer-visible release path:
| Lesson | AWS task fit | Why it matters |
|---|---|---|
| 3.1 Packaging, Dependencies, Repositories & Environment Config | Task 3.1 | This is the artifact lane: dependency bundles, repositories, image or package identity, and environment-specific config outside the codebase. |
| 3.2 Development Endpoints, Integration Tests & Event-Driven Testing | Task 3.2 | This is the validation lane: safe endpoints, realistic payloads, isolated dependencies, and non-production behavior checks. |
| 3.3 Automated Test Environments, IaC & Approved Versions | Task 3.3 | This is the repeatability lane: source-controlled IaC, approved versions, parameterized stacks, and controlled test fixtures. |
| 3.4 CI/CD, Deployment Strategies, Runtime Config & Rollbacks | Task 3.4 | This is the promotion lane: pipeline flow, staged release strategies, runtime config, alarm-aware rollout, and fast rollback. |
| If the question is really about… | Go first to… |
|---|---|
| package contents, environment variables, config files, image tags, or repo flow | 3.1 Packaging, Dependencies, Repositories & Environment Config |
| mock APIs, stages, test events, or validating event-driven behavior | 3.2 Development Endpoints, Integration Tests & Event-Driven Testing |
| CloudFormation or SAM changes, approved versions, branches, or isolated test environments | 3.3 Automated Test Environments, IaC & Approved Versions |
| canary, blue/green, rollback, staged release, runtime config, or pipeline triggers | 3.4 CI/CD, Deployment Strategies, Runtime Config & Rollbacks |
| Symptom | What is usually going wrong | Fix first |
|---|---|---|
| deployment answers all sound operationally plausible | you are not separating package prep, test design, and rollout strategy | classify the question into 3.1, 3.2, 3.3, or 3.4 before picking a service |
| you keep choosing “rebuild everything” answers | you are ignoring approved versions and targeted promotion paths | rework 3.3 and 3.4 with rollback safety in mind |
| environment questions feel vague | you are not distinguishing code artifact, runtime config, and environment-specific infrastructure | rework 3.1 and track what changes where |
| release-strategy distractors keep winning | you are not evaluating blast radius and rollback speed first | prefer staged traffic shifting, version isolation, and fast reversal paths |
Make sure you can justify:
Then move to 4. Troubleshooting and Optimization, where AWS expects you to prove you can observe, diagnose, and tune the same systems you just shipped.