FREE PDF QUIZ 2025 VALID DVA-C02: VALID AWS CERTIFIED DEVELOPER - ASSOCIATE STUDY NOTES

Free PDF Quiz 2025 Valid DVA-C02: Valid AWS Certified Developer - Associate Study Notes

Free PDF Quiz 2025 Valid DVA-C02: Valid AWS Certified Developer - Associate Study Notes

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The DVA-C02 exam is an associate-level certification, which means that candidates should have a good understanding of AWS services and be able to demonstrate their knowledge of AWS best practices. DVA-C02 exam covers a wide range of topics, including AWS core services, security, and deployment. It also covers topics such as how to design and develop scalable AWS applications, how to troubleshoot issues, and how to optimize application performance.

Amazon DVA-C02 (AWS Certified Developer - Associate) certification exam is designed for individuals who want to demonstrate their expertise in developing and maintaining applications on the Amazon Web Services (AWS) platform. DVA-C02 exam is intended for developers with at least one year of experience in designing, developing, and deploying cloud-based solutions using AWS technologies.

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Amazon AWS Certified Developer - Associate Sample Questions (Q170-Q175):

NEW QUESTION # 170
A developer needs to deploy an application running on AWS Fargate using Amazon ECS. The application has environment variables that must be passed to a container for the application to initialize.
How should the environment variables be passed to the container?

  • A. Define an array that includes the environment variables under the environment parameter within the task definition.
  • B. Define an array that includes the environment variables under the entryPoint parameter within the task definition.
  • C. Define an array that includes the environment variables under the entryPoint parameter within the service definition.
  • D. Define an array that includes the environment variables under the environment parameter within the service definition.

Answer: A

Explanation:
https://docs.aws.amazon.com/AmazonECS/latest/userguide/task_definition_parameters.html#con tainer_definitions


NEW QUESTION # 171
A developer is building a web application that uses Amazon API Gateway to expose an AWS Lambda function to process requests from clients. During testing, the developer notices that the API Gateway times out even though the Lambda function finishes under the set time limit.
Which of the following API Gateway metrics in Amazon CloudWatch can help the developer troubleshoot the issue? (Choose two.)

  • A. CacheHitCount
  • B. Latency
  • C. IntegrationLatency
  • D. Count
  • E. CacheMissCount

Answer: B,C

Explanation:
Amazon API Gateway is a service that enables developers to create, publish, maintain, monitor, and secure APIs at any scale. Amazon CloudWatch is a service that monitors AWS resources and applications. API Gateway provides several CloudWatch metrics to help developers troubleshoot issues with their APIs. Two of the metrics that can help the developer troubleshoot the issue of API Gateway timing out are:
IntegrationLatency: This metric measures the time between when API Gateway relays a request to the backend and when it receives a response from the backend. A high value for this metric indicates that the backend is taking too long to respond and may cause API Gateway to time out.
Latency: This metric measures the time between when API Gateway receives a request from a client and when it returns a response to the client. A high value for this metric indicates that either the integration latency is high or API Gateway is taking too long to process the request or response.
Reference:
[What Is Amazon API Gateway? - Amazon API Gateway]
[Amazon API Gateway Metrics and Dimensions - Amazon CloudWatch]
[Troubleshooting API Errors - Amazon API Gateway]


NEW QUESTION # 172
A developer designed an application on an Amazon EC2 instance The application makes API requests to objects in an Amazon S3 bucket Which combination of steps will ensure that the application makes the API requests in the MOST secure manner? (Select TWO.)

  • A. Create an IAM role that has permissions to the S3 bucket
  • B. Add the IAM role to an instance profile. Attach the instance profile to the EC2 instance.
  • C. Create an IAM user that has permissions to the S3 bucket. Add the user to an 1AM group
  • D. Store the credentials of the IAM user in the environment variables on the EC2 instance
  • E. Create an 1AM role that has permissions to the S3 bucket Assign the role to an 1AM group

Answer: A,B

Explanation:
IAM Roles for EC2: IAM roles are the recommended way to provide AWS credentials to applications running on EC2 instances. Here's how this works:
You create an IAM role with the necessary permissions to access the target S3 bucket.
You create an instance profile and associate the IAM role with this profile.
When launching the EC2 instance, you attach this instance profile.
Temporary Security Credentials: When the application on the EC2 instance needs to access S3, it doesn't directly use access keys. Instead, the AWS SDK running on the instance retrieves temporary security credentials associated with the role. These are rotated automatically by AWS.
Reference:
IAM Roles for Amazon EC2: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2.html Temporary Security Credentials: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp.html


NEW QUESTION # 173
A company is releasing a new feature. Users can request early access to the new feature by using an application form. The company expects a surge of requests when the application form becomes available. Each request will be stored as an item in an Amazon DynamoDB table.
Each item will contain the user's username, the submission date, and a validation status of UNVALIDATED. VALID, or NOT VALID. Each item also will contain the user's rating of the process on a scale of 1 to 5.
Each user can submit one request. For the DynamoDB table, the developer must choose a partition key that will give the workload well-distributed records across partitions.
Which DynamoDB attribute will meet these requirements?

  • A. Username
  • B. Rating of the process on a scale of 1 to 5
  • C. Submission date
  • D. Validation status

Answer: B


NEW QUESTION # 174
A company is building a compute-intensive application that will run on a fleet of Amazon EC2 instances. The application uses attached Amazon Elastic Block Store (Amazon EBS) volumes for storing data. The Amazon EBS volumes will be created at time of initial deployment. The application will process sensitive information. All of the data must be encrypted. The solution should not impact the application's performance.
Which solution will meet these requirements?

  • A. Configure an Amazon Machine Image (AMI) that has an encrypted root volume and store the data to ephemeral disks.
  • B. Configure the application to write all data to an encrypted Amazon S3 bucket.
  • C. Configure the fleet of EC2 instances to use encrypted EBS volumes to store data.
  • D. Configure a custom encryption algorithm for the application that will encrypt and decrypt all data.

Answer: C


NEW QUESTION # 175
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