AWS Certified Developer - Associate Braindumps pdf - DVA-C02 study guide

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Amazon DVA-C02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Development with AWS Services32%- Integrate AWS services into applications
  • 1. Implement messaging and event-driven workflows
  • 2. Use AWS Lambda, API Gateway, Amazon EventBridge
- Write code for applications hosted on AWS
  • 1. Develop serverless applications
  • 2. Use AWS SDKs and APIs
  • 3. Implement architectural patterns
- Interact with AWS data services
  • 1. Work with Amazon DynamoDB, Amazon S3
  • 2. Implement caching and data storage strategies
Topic 2: Deployment24%- Implement CI/CD pipelines
  • 1. Automate deployment and testing workflows
  • 2. Use AWS CodePipeline, CodeBuild, CodeDeploy
- Deploy applications on AWS
  • 1. Deploy to AWS Lambda, Amazon EC2, Elastic Beanstalk
  • 2. Perform safe updates and rollbacks
- Prepare application artifacts for deployment
  • 1. Package code and dependencies
  • 2. Use infrastructure as code (AWS CloudFormation, AWS SAM)
Topic 3: Troubleshooting and Optimization18%- Troubleshoot application issues
  • 1. Use Amazon CloudWatch, AWS X-Ray for monitoring
  • 2. Analyze logs, metrics, and traces
- Optimize application performance
  • 1. Improve latency and throughput
  • 2. Optimize resource usage and costs
- Debug and resolve errors
  • 1. Resolve integration and configuration problems
  • 2. Identify and fix code defects
Topic 4: Security26%- Apply security best practices
  • 1. Follow AWS Well-Architected Framework security principles
  • 2. Validate application security configurations
- Implement authentication and authorization
  • 1. Use Amazon Cognito for identity management
  • 2. Manage IAM roles, policies, and permissions
- Secure application data
  • 1. Implement encryption at rest and in transit
  • 2. Manage secrets and credentials securely

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Amazon AWS Certified Developer - Associate Sample Questions (Q613-Q618):

NEW QUESTION # 613
A developer is creating a simple proof-of-concept demo by using AWS CloudFormation and AWS Lambda functions. The demo will use a CloudFormation template to deploy an existing Lambda function. The Lambda function uses deployment packages and dependencies stored in Amazon S3. The developer defined an AWS::Lambda::Function resource in a CloudFormation template.
The developer needs to add the S3 bucket to the CloudFormation template.
What should the developer do to meet these requirements with the LEAST development effort?

Answer: C


NEW QUESTION # 614
A web application that runs on a fleet of Amazon EC2 instances sends logs to a log group in Amazon CloudWatch Logs. The logs are in the following format: [ip, id, user, timestamp, request, status_code, size].
A developer needs to create a metric filter that will identify all log events that have a status_code value that indicates a server-side error.
Which solution will meet this requirement?

Answer: A

Explanation:
Server-side errors correspond to HTTP status codes starting with 5 (e.g., 500, 502). Creating a metric filter on the log group using the pattern [ip, id, user, timestamp, request, status_code=5*, size] will capture all such error events across all log streams.


NEW QUESTION # 615
A company is planning to use AWS CodeDeploy to deploy an application to Amazon Elastic Container Service (Amazon ECS) During the deployment of a new version of the application, the company initially must expose only 10% of live traffic to the new version of the deployed application. Then, after 15 minutes elapse, the company must route all the remaining live traffic to the new version of the deployed application.
Which CodeDeploy predefined configuration will meet these requirements?

Answer: D

Explanation:
* CodeDeploy Predefined Configurations: CodeDeploy offers built-in deployment configurations for common scenarios.
* Canary Deployment: Canary deployments gradually shift traffic to a new version, ideal for controlled rollouts like this requirement.
* CodeDeployDefault.ECSCanary10Percent15Minutes: This configuration matches the company's requirements, shifting 10% of traffic initially and then completing the rollout after 15 minutes.


NEW QUESTION # 616
An AWS Lambda function generates a 3 MB JSON file and then uploads it to an Amazon S3 bucket daily. The file contains sensitive information, so the developer must ensure that it is encrypted before uploading to the bucket.
Which of the following modifications should the developer make to ensure that the data is encrypted before uploading it to the bucket?

Answer: B


NEW QUESTION # 617
A developer is deploying an application on Amazon EC2 instances that run in Account A. In certain cases, this application needs to read data from a private Amazon S3 bucket in Account B.
The developer must provide the application access to the S3 bucket without exposing the S3 bucket to anyone else. Which combination of actions should the developer take to meet these requirements? (Choose two.)

Answer: A,C

Explanation:
Create an IAM role in Account B that grants read access to the private S3 bucket so permissions are owned and controlled by the bucket's account. Then use the bucket policy in Account B to allow the specific IAM principal (the role) to read objects from the bucket, enabling cross-account access without making the bucket public or broadly accessible.


NEW QUESTION # 618
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