AWS DVA-C02 Guide: AWS Certified Developer - Associate
AWS DVA-C02 exam guide covering Lambda, APIs, event-driven apps, and deployment decisions.
This guide targets AWS Certified Developer - Associate (DVA-C02) , AWS’s current associate-level developer certification for people who build, test, deploy, and troubleshoot cloud applications on AWS. The exam rewards clean judgment about event-driven patterns, Lambda behavior, IAM boundaries, CI/CD workflows, observability, and the small operational details that make application code reliable in production.
Lambda: AWS serverless compute service for event-driven code execution without managing servers directly.
IAM role: AWS identity that applications or AWS services assume so they can call other AWS services without hard-coded long-term credentials.
Idempotent: Safe to run repeatedly without creating inconsistent duplicates or unintended side effects.
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At a glance
Exam fact
Current official value
Level
Associate
Duration
130 minutes
Format
65 multiple-choice or multiple-response questions
Passing score
720 scaled score
Validity
3 years
Typical next step
SOA-C03 , SAA-C03 , or a deeper specialty-aligned AWS path
AWS positions DVA-C02 for candidates with roughly 1+ year of hands-on experience building and maintaining AWS applications. The current exam guide breaks the scored content into four weighted domains, and this online guide now follows that structure directly:
What strong answers usually do
classify the stem into the right lane before choosing a service
separate application logic from platform integration details such as retries, dead-letter handling, and permissions
prefer managed event-driven building blocks unless the scenario clearly needs lower-level infrastructure control
treat observability and troubleshooting as part of the application design, not as post-deployment cleanup
choose the narrowest secure access pattern that still keeps the application maintainable
How to use this guide
Start with the study plan if you want a realistic weekly sequence.
Work the four weighted domain chapters in order, starting with Development with AWS Services and Security .
Use the cheat sheet after you already understand the chapter logic.
Use the cheat sheet when API, Lambda, event, IAM, deployment, and troubleshooting choices start to blur.
Keep the glossary open when messaging, IAM, KMS, and deployment terminology begins to blur together.
Use the resources page to stay anchored to the current AWS exam guide and primary service documentation.
Use the FAQ for exam-day rules, final-scope judgment, and last-week review decisions.
Coverage map against the current exam guide
Domain
Weight
What to study first
1. Development with AWS Services
32%
1.1 Application Patterns, APIs, Messaging & Integrations , 1.2 Lambda Config, Events, VPC Access & Errors
2. Security
26%
2.1 Federated Access, IAM Roles & App Authorization , 2.2 Encryption at Rest, In Transit & Key Management
3. Deployment
24%
3.1 Packaging, Dependencies, Repositories & Environment Config , 3.4 CI/CD, Deployment Strategies, Runtime Config & Rollbacks
4. Troubleshooting and Optimization
18%
4.1 Root Cause Analysis with Metrics, Logs & Traces , 4.3 Concurrency, Caching, Messaging Filters & Performance Tuning
If two answers both sound right
For DVA-C02, the stronger answer is usually the one that stays in the developer lane :
choose the option that fixes application behavior before one that redesigns the entire architecture
choose the option that uses an existing AWS managed integration before a larger custom platform build
choose the option that narrows permissions and secrets exposure instead of embedding credentials in code or config
choose the option that reduces blast radius during deployment and rollback instead of maximizing change speed alone
In this section
DVA-C02 Development with AWS Services Guide
Study DVA-C02 Development with AWS Services: key concepts, common traps, and exam decision cues.
DVA-C02 App Patterns, APIs, and Messaging Guide
Study DVA-C02 App Patterns, APIs, and Messaging: key concepts, common traps, and exam decision cues.
DVA-C02 Lambda Events, VPC Access, and Errors Guide
Study DVA-C02 Lambda Events, VPC Access, and Errors: key concepts, common traps, and exam decision cues.
DVA-C02 DynamoDB, Consistency, and Caching Guide
Study DVA-C02 DynamoDB, Consistency, and Caching: key concepts, common traps, and exam decision cues.
DVA-C02 Security Guide
Study DVA-C02 Security: key concepts, common traps, and exam decision cues.
DVA-C02 Federated Access and App Authorization Guide
Study DVA-C02 Federated Access and App Authorization: key concepts, common traps, and exam decision cues.
DVA-C02 Encryption at Rest, In Transit and Key Management Guide
Study DVA-C02 Encryption at Rest, In Transit and Key Management: key concepts, common traps, and exam decision cues.
DVA-C02 Secrets, Sensitive Data, Masking and Multi-Tenant Access Guide
Study DVA-C02 Secrets, Sensitive Data, Masking and Multi-Tenant Access: key concepts, common traps, and exam decision cues.
DVA-C02 Deployment Guide
Study DVA-C02 Deployment: key concepts, common traps, and exam decision cues.
DVA-C02 Packaging, Dependencies, and Environment Config Guide
Study DVA-C02 Packaging, Dependencies, and Environment Config: key concepts, common traps, and exam decision cues.
DVA-C02 Integration and Event-Driven Testing Guide
Study DVA-C02 Integration and Event-Driven Testing: key concepts, common traps, and exam decision cues.
DVA-C02 Automated Test Environments, IaC and Approved Versions Guide
Study DVA-C02 Automated Test Environments, IaC and Approved Versions: key concepts, common traps, and exam decision cues.
DVA-C02 CI/CD, Runtime Config, and Rollbacks Guide
Study DVA-C02 CI/CD, Runtime Config, and Rollbacks: key concepts, common traps, and exam decision cues.
DVA-C02 Troubleshooting and Optimization Guide
Study DVA-C02 Troubleshooting and Optimization: key concepts, common traps, and exam decision cues.
DVA-C02 Root Cause Analysis with Metrics, Logs and Traces Guide
Study DVA-C02 Root Cause Analysis with Metrics, Logs and Traces: key concepts, common traps, and exam decision cues.
DVA-C02 Logs, Metrics, Alerts, and Health Checks Guide
Study DVA-C02 Logs, Metrics, Alerts, and Health Checks: key concepts, common traps, and exam decision cues.
DVA-C02 Concurrency, Caching, and Performance Guide
Study DVA-C02 Concurrency, Caching, and Performance: key concepts, common traps, and exam decision cues.
AWS DVA-C02 Study Plan: Lambda, Eventing, and Troubleshooting in 30, 60, and 90 Days
AWS DVA-C02 30-, 60-, and 90-day study plan for Lambda, eventing, troubleshooting, review loops, and final-week priorities.
AWS DVA-C02 Cheat Sheet: Lambda, Eventing, and Troubleshooting
AWS DVA-C02 cheat sheet for Lambda, event-driven design, troubleshooting, traps, and final review.
AWS DVA-C02 Sample Questions with Explanations
AWS DVA-C02 sample questions with explanations, traps, topic labels, and IT Mastery route links.
AWS DVA-C02 FAQ: Exam Format, Topics, and Prep
AWS DVA-C02 FAQ for exam format, topics, prep strategy, practice, and common candidate traps.
AWS DVA-C02 Resources: Official Links and Study Tools
AWS DVA-C02 resources for official links, blueprint checks, study tools, and source review.
AWS DVA-C02 Glossary: Lambda, Eventing, and Troubleshooting Terms
AWS DVA-C02 glossary of Lambda, eventing, troubleshooting terms, traps, and decision cues.