The AWS Certified Developer – Associate (DVA-C02) certification is one of the most valuable credentials for professionals looking to validate their expertise in developing and maintaining applications on the Amazon Web Services (AWS) platform. This certification is designed for individuals who have hands-on experience in AWS, and it tests their knowledge of key concepts such as deploying, securing, and debugging cloud-based applications.
In this article, we will dive deep into the structure of the AWS DVA-C02 exam, its content areas, and provide actionable tips to help you pass the certification and further your career in cloud development.
1. What Is the AWS DVA-C02 Certification?
The AWS Certified Developer – Associate (DVA-C02) certification is designed for developers and IT professionals who work closely with AWS services to design, develop, deploy, and troubleshoot applications. This certification focuses on core AWS services and best practices for application development.Key Exam Details:
- Number of questions: 65 questions (multiple-choice and multiple-response)
- Duration: 130 minutes
- Passing score: Varies, but typically around 720 out of 1000
- Cost: $150 USD
- Prerequisites: There are no formal prerequisites, but AWS recommends at least one year of hands-on experience with AWS services before attempting the exam.
2. Key Domains of the DVA-C02 Exam
The DVA-C02 exam covers a wide range of topics relevant to AWS development. The official exam guide breaks down the content into five main domains:a. Development with AWS Services (30%)
This domain focuses on understanding AWS services that are critical for application development and how they integrate with each other. Topics include:- Choosing the right AWS services for application development
- Knowledge of AWS SDKs for interacting with AWS services
- Writing code that interacts with AWS services such as S3, DynamoDB, SQS, SNS, and AWS Lambda
- Implementing encryption and security in data transmission
b. Security (26%)
Given the importance of security in cloud applications, this domain ensures you understand how to properly secure applications and AWS services. It covers:- Applying the AWS Identity and Access Management (IAM) policies and roles
- Encrypting data at rest and in transit
- Securing access to AWS services using AWS Secrets Manager, AWS Key Management Service (KMS), and other encryption techniques
- Understanding application-level security such as VPC security, API Gateway security, and web application firewalls (WAFs)
c. Deployment (20%)
In this domain, the exam tests your ability to deploy, monitor, and maintain AWS applications. Topics include:- Deployment automation using AWS CodeDeploy, AWS Elastic Beanstalk, and AWS CloudFormation
- Using AWS CI/CD tools (CodePipeline, CodeBuild, etc.) for continuous integration and delivery
- Deploying serverless applications using AWS Lambda and API Gateway
- Best practices for canary and blue/green deployment strategies
d. Troubleshooting and Optimization (20%)
Here, the focus is on identifying and resolving issues that can arise in AWS-based applications. You’ll need to understand how to:- Debug and troubleshoot application failures and performance issues
- Utilize AWS monitoring tools such as Amazon CloudWatch and AWS X-Ray
- Optimize performance and cost-effectiveness for applications running in AWS
e. Refactoring and Migrating (14%)
This domain emphasizes moving on-premise applications to the cloud and refactoring them to take full advantage of AWS services. The key concepts covered include:- Migrating monolithic applications to microservices-based architecture using containers or serverless technologies
- Refactoring applications to improve performance, scalability, and maintainability
- Knowledge of tools like AWS Database Migration Service (DMS) and AWS Server Migration Service (SMS)