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Amazon DVA-C02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Deployment24%- Automate deployment testing
  • 1. AWS CodePipeline
  • 2. AWS CodeBuild
  • 3. AWS CodeDeploy
  • 4. AWS CodeCommit
- Deploy code by using AWS CI/CD services
  • 1. AWS CodePipeline
  • 2. Canary deployments
  • 3. GitHub integration
  • 4. AWS CodeBuild
  • 5. Rolling deployments
  • 6. AWS CodeDeploy
  • 7. Blue/green deployments
  • 8. AWS CodeCommit
- Prepare application artifacts to be deployed to AWS
  • 1. AWS CDK
  • 2. Docker containers
  • 3. AWS SAM
  • 4. AWS CloudFormation
  • 5. Lambda deployment packages
- Test applications in development environments
  • 1. Local testing of Lambda functions
  • 2. AWS SAM local
  • 3. Mocking AWS services
Topic 2: Development with AWS Services32%- Use data stores in application development
  • 1. Amazon RDS
  • 2. Amazon DynamoDB
  • 3. Amazon ElastiCache
  • 4. Amazon S3
  • 5. Amazon EFS
- Develop code for AWS serverless applications
  • 1. AWS AppSync
  • 2. Amazon EventBridge
  • 3. Amazon API Gateway
  • 4. AWS Step Functions
- Develop code for applications hosted on AWS
  • 1. Amazon SQS
  • 2. AWS CloudFormation
  • 3. Amazon DynamoDB
  • 4. Amazon SNS
  • 5. AWS Lambda
  • 6. AWS CLI
  • 7. Amazon API Gateway
  • 8. AWS SDKs
  • 9. Amazon S3
  • 10. Amazon Cognito
Topic 3: Security26%- Manage sensitive data in application code
  • 1. AWS Systems Manager Parameter Store
  • 2. Environment variables
  • 3. Encryption of data at rest and in transit
  • 4. AWS Secrets Manager
- Implement authentication and/or authorization for applications and AWS services
  • 1. Bearer tokens (JWT, OAuth, AWS STS)
  • 2. Role-based access control (RBAC)
  • 3. User pools and identity pools in Amazon Cognito
  • 4. Resource-based policies, service policies, and principal policies
  • 5. Identity federation (SAML, OpenID Connect, Amazon Cognito)
- Implement encryption by using AWS services
  • 1. AWS Certificate Manager
  • 2. AWS CloudHSM
  • 3. AWS Secrets Manager
  • 4. Amazon S3 encryption
  • 5. AWS KMS
Topic 4: Troubleshooting and Optimization18%- Instrument code for observability
  • 1. Amazon CloudWatch alarms
  • 2. Structured logging
  • 3. AWS X-Ray
  • 4. Amazon CloudWatch metrics
  • 5. Custom metrics
- Optimize applications by using AWS services and features
  • 1. Data storage optimization
  • 2. Caching strategies (ElastiCache, CloudFront)
  • 3. Concurrency and throttling
  • 4. Cost optimization
  • 5. Memory and compute optimization
- Assist in a root cause analysis
  • 1. Application logging
  • 2. Amazon CloudWatch Logs
  • 3. AWS CloudTrail
  • 4. AWS X-Ray
  • 5. Error handling and retries

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Amazon AWS Certified Developer - Associate Sample Questions (Q196-Q201):

NEW QUESTION # 196
A company has an Amazon S3 bucket that contains sensitive dat
a. The data must be encrypted in transit and at rest. The company encrypts the data in the S3 bucket by using an AWS Key Management Service (AWS KMS) key. A developer needs to grant several other AWS accounts the permission to use the S3 GetObject operation to retrieve the data from the S3 bucket.
How can the developer enforce that all requests to retrieve the data provide encryption in transit?

Answer: D

Explanation:
Amazon S3 supports resource-based policies, which are JSON documents that specify the permissions for accessing S3 resources. A resource-based policy can be used to enforce encryption in transit by denying access to requests that do not use HTTPS. The condition key aws:SecureTransport can be used to check if the request was sent using SSL. If the value of this key is false, the request is denied; otherwise, the request is allowed. Reference: How do I use an S3 bucket policy to require requests to use Secure Socket Layer (SSL)?


NEW QUESTION # 197
A developer is creating a mobile app that calls a backend service by using an Amazon API Gateway REST API. For integration testing during the development phase, the developer wants to simulate different backend responses without invoking the backend service.
Which solution will meet these requirements with the LEAST operational overhead?

Answer: A


NEW QUESTION # 198
A developer is setting up a deployment pipeline. The pipeline includes an AWS CodeBuild build stage that requires access to a database to run integration tests. The developer is using a buildspec.yml file to configure the database connection. Company policy requires automatic rotation of all database credentials.
Which solution will handle the database credentials MOST securely?

Answer: B


NEW QUESTION # 199
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 anAWS 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

Explanation:
* S3Bucket and S3Key: These properties in a CloudFormation AWS::Lambda::Function resource specify the location of the function's code in S3.
* Least Development Effort: This solution minimizes code changes, relying on CloudFormation to reference the existing S3 deployment package.


NEW QUESTION # 200
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: D

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 # 201
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