- DVA-C02 has 65 questions (50 scored, 15 unscored) in 130 minutes, passing score 720/1000.
- Development with AWS Services is the largest domain at 32%, centered on Lambda, DynamoDB, and API Gateway.
- The $150 USD exam fee is fixed with no separate member pricing tier.
- No formal prerequisites exist, but AWS recommends roughly one year of hands-on AWS development experience.
What the DVA-C02 Certification Actually Covers
The AWS Certified Developer - Associate (DVA-C02) is Amazon Web Services, Inc.'s credential for engineers who design, build, deploy, and troubleshoot applications on AWS. Unlike broader cloud-literacy certifications, DVA-C02 assumes you already write code against AWS APIs and SDKs day-to-day. It tests whether you can make sound implementation decisions - choosing the right DynamoDB access pattern, wiring Lambda triggers correctly, or debugging a failed CodeDeploy rollout - rather than just recognizing service names.
If you're still deciding whether this credential fits your goals, the complete ROI analysis of the DVA-C02 certification walks through the trade-offs in detail. For a plain-language primer on the credential itself, see What Is DVA-C02 Certification?
Registration, Format, and Scoring Mechanics
DVA-C02 is delivered exclusively through Pearson VUE, either at a physical test center or via online proctoring. The exam costs $150 USD, and AWS does not publish a separate discounted rate for members or partners - everyone pays the same fee unless they're redeeming a benefit voucher from a prior certification. For a full pricing breakdown including retake costs and optional prep expenses, see the DVA-C02 certification cost and pricing breakdown.
Structurally, the exam consists of 65 total questions: 50 are scored and 15 are unscored pretest items that AWS uses to evaluate future exam content. You get 130 minutes to complete all 65, and questions appear as either multiple choice (one correct answer) or multiple response (select two or more correct answers from a longer list). Because unscored questions are not flagged, you must treat every question - even ones that feel unusually obscure - as if it counts.
| Exam Attribute | Detail |
|---|---|
| Total Questions | 65 (50 scored, 15 unscored pretest) |
| Time Allotted | 130 minutes |
| Passing Score | 720 on a 100-1000 scaled range |
| Question Formats | Multiple choice, multiple response |
| Delivery | Pearson VUE test center or online proctoring |
| Fee | $150 USD (no member/non-member split) |
Scoring is compensatory, meaning you don't need to pass each domain individually - a strong showing in Development with AWS Services can offset a weaker section in Troubleshooting, as long as your overall scaled score clears 720. AWS does not publish pass rate statistics, so treat any specific pass-rate number you encounter elsewhere with skepticism; for a grounded look at what public data does and doesn't tell us, read the DVA-C02 pass rate analysis.
Unanswered questions are scored as incorrect, and there's no separate penalty for wrong guesses beyond that - so never leave a question blank. Non-native English speakers who need more time can request a 30-minute exam extension when sitting for the exam in a non-native language.
Key Takeaway
Because there's no guessing penalty beyond a missed point, always submit an answer for every question, even under time pressure near the 130-minute mark.
The Four Exam Domains Explained
DVA-C02 organizes its content into four official domains, each weighted differently in the scored portion of the exam. Understanding these weights should directly shape how you allocate study time. A full breakdown of all four areas together lives in the complete guide to all 4 DVA-C02 content areas.
Domain 1: Development with AWS Services (32%)
The largest domain by far, centered on writing and deploying code that interacts directly with AWS-managed services.
- Lambda function design, event sources, and concurrency behavior
- DynamoDB data modeling, partition key selection, and single-table patterns
- API Gateway request/response transformation and integration types
- Using AWS SDKs and the CLI to build and automate application logic
- Event-driven architecture patterns connecting SQS, SNS, and EventBridge
Given its 32% weight, this domain deserves the most dedicated study block on your calendar. The dedicated Domain 1 study guide for Development with AWS Services goes deep on each service's edge cases.
Domain 2: Security (26%)
Covers how applications authenticate, authorize, and protect data in transit and at rest within an AWS environment.
- IAM roles versus policies, and least-privilege permission design for application code
- Using AWS STS for temporary credentials in Lambda and EC2-hosted apps
- Encrypting data with KMS and managing secrets via Secrets Manager or Parameter Store
- Cognito user pools and identity pools for application-level authentication
This domain trips up many candidates who come from a pure-development background without security exposure - see the Domain 2 Security study guide if IAM policy JSON isn't second nature yet.
Domain 3: Deployment (24%)
Tests your ability to package, ship, and roll back application code using AWS-native CI/CD tooling.
- CodePipeline, CodeBuild, and CodeDeploy stage configuration
- Deployment strategies: in-place, blue/green, canary, and linear
- Elastic Beanstalk environment configuration and deployment policies
- SAM and CloudFormation for infrastructure-as-code application deployment
Details on rollback triggers, deployment health checks, and pipeline troubleshooting are covered in the Domain 3 Deployment study guide.
Domain 4: Troubleshooting and Optimization (18%)
The smallest domain by weight, but often the hardest for candidates without production debugging experience.
- Reading and correlating CloudWatch Logs, metrics, and X-Ray traces
- Diagnosing Lambda cold starts, timeout errors, and throttling
- Identifying performance bottlenecks in DynamoDB throughput and API Gateway latency
- Applying caching strategies with ElastiCache or API Gateway caching
The Domain 4 Troubleshooting and Optimization study guide includes scenario-style walkthroughs that mirror how these questions are actually written.
Who Hires DVA-C02 Holders
DVA-C02 signals hands-on, service-level AWS development competency rather than architecture or operations leadership. Employers typically look for this credential when filling roles such as:
- Backend or full-stack developers building serverless applications on Lambda and API Gateway
- Cloud application engineers responsible for CI/CD pipelines using CodePipeline and CodeDeploy
- Software engineers on teams migrating monolithic apps to event-driven, managed-service architectures
- Junior-to-mid-level cloud engineers who need to prove practical AWS SDK/CLI fluency beyond a resume line
Because the credential focuses on code-level AWS interaction rather than infrastructure governance, it pairs naturally with existing programming experience rather than replacing it. For a look at how this shows up in postings and compensation data, browse DVA-C02 jobs and the DVA-C02 salary guide and earnings analysis. If you're new to the acronym entirely, start with What Is DVA-C02? or DVA-C02 Meaning.
Concrete Technical Topics to Master
Generic "learn AWS" advice won't get you across the 720 line. DVA-C02 questions are scenario-driven - you're given a business constraint and asked to pick the implementation that satisfies it. Focus your hands-on practice on these specific mechanics:
- Lambda execution model: environment variables, layers, reserved vs. provisioned concurrency, and how VPC attachment affects cold starts
- DynamoDB capacity modes: on-demand vs. provisioned, and how Global Secondary Indexes change query flexibility and cost
- API Gateway integration types: Lambda proxy vs. non-proxy, and when to use HTTP APIs over REST APIs
- Step Functions: orchestrating multi-step workflows and handling retries/catch logic in state machines
- SDK-level error handling: exponential backoff, retry logic, and idempotency tokens when calling AWS APIs programmatically
- CI/CD artifact flow: how CodeBuild buildspec files feed into CodeDeploy AppSpec files during a deployment
- X-Ray instrumentation: adding trace segments and subsegments to pinpoint latency in distributed application calls
Recent exam guide updates also note that emerging AI-assisted development and AI security topics may appear, though these currently surface only as unscored pretest questions - worth a light read-through, not deep specialization.
Key Takeaway
Practice with the actual AWS SDK or CLI rather than only reading documentation - DVA-C02 scenario questions often hinge on subtle API behavior you'll only notice by running the code.
A Domain-Weighted Prep Timeline
Rather than a generic weekly template, allocate study weeks proportionally to each domain's exam weight. This keeps your time budget aligned with where points are actually won or lost.
Domain 1: Development with AWS Services
- Build a small Lambda + API Gateway + DynamoDB application end-to-end
- Practice IAM-scoped SDK calls from Lambda to DynamoDB and S3
Domain 2: Security
- Write and test IAM policies with explicit deny and condition keys
- Implement Cognito authentication in front of an API Gateway endpoint
Domain 3: Deployment
- Configure a CodePipeline with CodeBuild and a blue/green CodeDeploy stage
- Deploy the same app via SAM and via Elastic Beanstalk to compare workflows
Domain 4: Troubleshooting and Optimization
- Intentionally break a Lambda function and diagnose it via CloudWatch Logs and X-Ray
- Simulate DynamoDB throttling and tune capacity settings to resolve it
Full Review and Practice Exams
- Take timed 65-question practice sets under the 130-minute limit
- Revisit weak domains identified from practice test score breakdowns
For a more detailed week-by-week methodology, including how to sequence review sessions, see the DVA-C02 study guide for passing on your first attempt. And if you're unsure how this exam compares in difficulty to other associate-level AWS certifications, the DVA-C02 difficulty guide breaks down what makes it distinct. You can also sharpen your timing and question-style familiarity using scenario-based practice questions on the main practice test platform before booking your real Pearson VUE slot.
Validity, Renewal, and Ongoing Benefits
Once earned, the DVA-C02 certification remains valid for 3 years. To maintain it, you'll need to pass the then-current version of the Developer - Associate exam again, or pass the AWS Certified DevOps Engineer - Professional exam, which also renews the associate-level credential. There are no continuing education units or annual fees required in between.
Active AWS certification holders also receive standard exam benefits, including a 50% discount voucher toward future AWS certification exams - useful if you're planning to stack DVA-C02 with a Professional-level credential later. For structured training resources to prepare, see DVA-C02 training, and for terminology clarity throughout your prep, What Does DVA-C02 Mean? and What Does DVA-C02 Stand For? cover the naming conventions AWS uses across its certification tracks.
Frequently Asked Questions
The exam has 65 total questions - 50 scored and 15 unscored pretest items - to be completed within 130 minutes.
You need a scaled score of 720 on a range of 100 to 1000. AWS uses compensatory scoring, so strength in one domain can offset weakness in another as long as your total clears the threshold.
Development with AWS Services carries the highest weight at 32%, followed by Security at 26%, Deployment at 24%, and Troubleshooting and Optimization at 18%. Study time should roughly mirror this order.
No formal prerequisites exist. AWS recommends around one year of hands-on AWS application development experience along with proficiency in a high-level programming language and familiarity with the AWS SDK, CLI, and CI/CD tooling.
DVA-C02 is valid for 3 years. Renewal requires passing the current Developer - Associate exam again or passing the AWS Certified DevOps Engineer - Professional exam.