AWS Certified Developer - Associate
DVA-C02
Money Back Guarantee
98% Success Rate
Real Questions
1
Development with AWS Services 32%
1.1
Develop code for applications hosted on AWS
6 subtopics1.1.1Architectural Patterns
1.1.2Application Design Principles
1.1.3Fault-Tolerant Design
1.1.4API Development
1.1.5Messaging and Streaming
1.1.6Testing and Quality Assurance
Learning Objectives
- Create fault-tolerant and resilient applications in a programmatic way
- Create, extend, and maintain APIs
- Write and run unit tests in AWS environments
- Write code to use messaging services
- Write code that interacts with AWS services by using APIs, SDKs, and AWS CLI
- Handle data streaming using AWS services
1.2
Develop code for AWS Lambda
6 subtopics1.2.1Lambda Function Configuration
1.2.2Event Source Mapping
1.2.3Lambda Lifecycle and Error Handling
1.2.4VPC Integration
1.2.5Performance Optimization
1.2.6Testing Lambda Functions
Learning Objectives
- Configure Lambda functions by defining environment variables and parameters
- Handle the event lifecycle and errors by using code
- Write and run test code for Lambda functions
- Integrate Lambda functions with AWS services
- Tune Lambda functions for optimal performance
1.3
Use data stores in application development
6 subtopics1.3.1DynamoDB Operations
1.3.2Database Consistency Models
1.3.3S3 Storage Patterns
1.3.4Caching Strategies
1.3.5Relational Databases
1.3.6Data Lifecycle Management
Learning Objectives
- Serialize and deserialize data to provide persistence to a data store
- Use, manage, and maintain a data store
- Manage data lifecycles across different storage tiers
- Use data caching services to improve application performance
Domain Hands-on Skills
Writing code that uses AWS SDK to interact with AWS servicesImplementing fault-tolerant design patterns in codeConfiguring and deploying Lambda functionsWorking with DynamoDB tables, queries, and indexesImplementing caching with ElastiCache or DAXManaging S3 objects and lifecycle policies
Common Mistakes to Avoid
- Not implementing idempotency in Lambda functions
- Using Scan instead of Query for DynamoDB
- Choosing wrong partition key leading to hot partitions
- Not reusing connections in Lambda functions
- Ignoring cold start optimization for Lambda
2
Security 26%
3
Deployment 24%
4