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AWS DVA-C01 Exam Certification Details:

Number of Questions65
Exam NameAWS Developer Associate (AWS-CDA)
Duration130 minutes
Passing Score720 / 1000
Exam Price$150 USD
Sample QuestionsAWS DVA-C01 Sample Questions
Recommended Training / BooksDeveloping on AWS

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AWS-CDA Exam Syllabus Topics:

SectionObjectives

Deployment - 22%

Deploy written code in AWS using existing CI/CD pipelines, processes, and patterns.- Commit code to a repository and invoke build, test and/or deployment actions
- Use labels and branches for version and release management
- Use AWS CodePipeline to orchestrate workflows against different environments
- Apply AWS CodeCommit, AWS CodeBuild, AWS CodePipeline, AWS CodeStar, and AWS CodeDeploy for CI/CD purposes
- Perform a roll back plan based on application deployment policy
Deploy applications using AWS Elastic Beanstalk.- Utilize existing supported environments to define a new application stack
- Package the application
- Introduce a new application version into the Elastic Beanstalk environment
- Utilize a deployment policy to deploy an application version (i.e., all at once, rolling, rolling with batch, immutable)
- Validate application health using Elastic Beanstalk dashboard
- Use Amazon CloudWatch Logs to instrument application logging
Prepare the application deployment package to be deployed to AWS.- Manage the dependencies of the code module (like environment variables, config files and static image files) within the package
- Outline the package/container directory structure and organize files appropriately
- Translate application resource requirements to AWS infrastructure parameters (e.g., memory, cores)
Deploy serverless applications.- Given a use case, implement and launch an AWS Serverless Application Model (AWS SAM) template
- Manage environments in individual AWS services (e.g., Differentiate between Development, Test, and Production in Amazon API Gateway)

Security - 26%

Make authenticated calls to AWS services.- Communicate required policy based on least privileges required by application.
- Assume an IAM role to access a service
- Use the software development kit (SDK) credential provider on-premises or in the cloud to access AWS services (local credentials vs. instance roles)
Implement encryption using AWS services.- Encrypt data at rest (client side; server side; envelope encryption) using AWS services
- Encrypt data in transit
Implement application authentication and authorization.- Add user sign-up and sign-in functionality for applications with Amazon Cognito identity or user pools
- Use Amazon Cognito-provided credentials to write code that access AWS services.
- Use Amazon Cognito sync to synchronize user profiles and data- Use developer-authenticated identities to interact between end user devices, backend
authentication, and Amazon Cognito

Amazon AWS Certified Developer Associate Exam Sample Questions (Q163-Q168):

NEW QUESTION # 163
A company wants to implement a continuous integration for its workloads on AWS. The company wants to trigger unit test in its pipeline for commits-on its code repository, and wants to be notified of failure events in the pipeline.
How can these requirements be met?

  • A. Store the source code in AWS CodeCommit. Create a CodePipeline to automate unit testing. Use Amazon SNS to trigger notifications of failure events.
  • B. Store the source code in AWS CodeCommit. Create a CodePipeline to automate unit testing. Use Amazon CloudWatch to trigger notification of failure events.
  • C. Store the source code in GitHub. Create a CodePipeline to automate unit testing. Use Amazon SES to trigger notifications of failure events.
  • D. Store the source code on GitHub. Create a CodePipeline to automate unit testing. Use Amazon CloudWatch to trigger notifications of failure events.

Answer: A


NEW QUESTION # 164
An AWS Lambda function must read data from an Amazon RDS MySQL database in a VPC and also reach a public endpoint over the internet to get additional data.
Which steps must be taken to allow the function to access both the RDS resource and the public endpoint? (Select TWO.)

  • A. Modify the default network access control list to allow outbound traffic.
  • B. Add an environmental variable to the Lambda function to allow outbound internet access.
  • C. Modify the default configuration of the Lambda function to associate it with a VPC public subnet.
  • D. Add a NAT Gateway to the VPC.
  • E. Modify the default configuration for the Lambda function to associate it with an Amazon VPC private subnet.

Answer: D,E

Explanation:
Reference:
https://docs.aws.amazon.com/lambda/latest/dg/vpc.html


NEW QUESTION # 165
A meteorological system monitors 600 temperature gauges, obtaining temperature samples every minute and saving each sample to a DynamoDB table. Each sample involves writing 1K of data and the writes are evenly distributed over time.
How much write throughput is required for the target table?

  • A. 600 write capacity units
  • B. 10 write capacity units
  • C. 60 write capacity units
  • D. 3600 write capacity units
  • E. 1 write capacity unit

Answer: B


NEW QUESTION # 166
A startup s photo-sharing site is deployed in a VPC. An ELB distributes web traffic across two subnets. ELB session stickiness is configured to use the AWS-generated session cookie, with a session TTL of 5 minutes. The webserver Auto Scaling Group is configured as: min-size=4, max-size=4.
The startups preparing for a public launch, by running load-testing software installed on a single EC2 instance running in us-west-2
a. After 60 minutes of load-testing, the webserver logs show:
Which recommendations can help ensure load-testing HTTP requests are evenly distributed across the four webservers? Choose 2 answers

  • A. Re-configure the load-testing software to re-resolve DNS for each web request.
  • B. Configure ELB and Auto Scaling to distribute across us-west-2a and us-west-2c.
  • C. Use a 3rd-party load-testing service which offers globally-distributed test clients.
  • D. Launch and run the load-tester EC2 instance from us-east-1 instead.
  • E. Configure ELB session stickiness to use the app-specific session cookie.

Answer: C,E


NEW QUESTION # 167
A developer is creating a serverless orchestrator that performs a series of steps to processes incoming loT dat a. The orchestrator transforms the data, performs a series of calculations, and stores the results in Amazon DynamoDB. The entire process is completed in less than a minute.
The orchestrator must process tens of thousands of transactions each second. The orchestrator must not miss a transaction and must process each transaction at least once.
Which solution will meet these requirements MOST cost-effectively?

  • A. Use AWS Step Functions to process the data as Asynchronous Express Workflows.
  • B. Use Amazon Simple Notification Service (Amazon SNS) to process the data through an HTTP or HTTPS endpoint.
  • C. Use AWS Step Functions to process the data as Synchronous Express Workflows.
  • D. Use AWS Step Functions to process the data as Standard Workflows.

Answer: A


NEW QUESTION # 168
......

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