DVA-C02유효한최신덤프공부시험준비에가장좋은기출문제모음자료

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Amazon DVA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Security	26%	- Secure application data 1. Implement encryption at rest and in transit 2. Manage secrets and credentials securely - Implement authentication and authorization 1. Manage IAM roles, policies, and permissions 2. Use Amazon Cognito for identity management - Apply security best practices 1. Follow AWS Well-Architected Framework security principles 2. Validate application security configurations
Troubleshooting and Optimization	18%	- Optimize application performance 1. Optimize resource usage and costs 2. Improve latency and throughput - Debug and resolve errors 1. Resolve integration and configuration problems 2. Identify and fix code defects - Troubleshoot application issues 1. Use Amazon CloudWatch, AWS X-Ray for monitoring 2. Analyze logs, metrics, and traces
Deployment	24%	- Deploy applications on AWS 1. Deploy to AWS Lambda, Amazon EC2, Elastic Beanstalk 2. Perform safe updates and rollbacks - Implement CI/CD pipelines 1. Automate deployment and testing workflows 2. Use AWS CodePipeline, CodeBuild, CodeDeploy - Prepare application artifacts for deployment 1. Use infrastructure as code (AWS CloudFormation, AWS SAM) 2. Package code and dependencies
Development with AWS Services	32%	- Integrate AWS services into applications 1. Implement messaging and event-driven workflows 2. Use AWS Lambda, API Gateway, Amazon EventBridge - Interact with AWS data services 1. Work with Amazon DynamoDB, Amazon S3 2. Implement caching and data storage strategies - Write code for applications hosted on AWS 1. Develop serverless applications 2. Implement architectural patterns 3. Use AWS SDKs and APIs

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DVA-C02완벽한 시험기출자료 & DVA-C02시험대비 공부하기

DumpTOP에서 출시한 Amazon 인증 DVA-C02시험덤프는DumpTOP의 엘리트한 IT전문가들이 IT인증실제시험문제를 연구하여 제작한 최신버전 덤프입니다. 덤프는 실제시험의 모든 범위를 커버하고 있어 시험통과율이 거의 100%에 달합니다. 제일 빠른 시간내에 덤프에 있는 문제만 잘 이해하고 기억하신다면 시험패스는 문제없습니다.

최신 AWS Certified Associate DVA-C02 무료샘플문제 (Q719-Q724):

질문 # 719
A company is migrating legacy internal applications to AWS. Leadership wants to rewrite the internal employee directory to use native AWS services. A developer needs to create a solution for storing employee contact details and high-resolution photos for use with the new application.
Which solution will enable the search and retrieval of each employee's individual details and high-resolution photos using AWS APIs?

A. Encode each employee's contact information and photos using Base64. Store the information in an Amazon DynamoDB table using a sort key.
B. Store employee contact information in an Amazon RDS DB instance with the photos stored in Amazon Elastic File System (Amazon EFS).
C. Use Amazon Cognito user pools to implement the employee directory in a fully managed software-as-a-service (SaaS) method.
D. Store each employee's contact information in an Amazon DynamoDB table along with the object keys for the photos stored in Amazon S3.

정답：D

설명：
Explanation
Amazon DynamoDB is a fully managed NoSQL database service that provides fast and consistent performance with seamless scalability. The developer can store each employee's contact information in a DynamoDB table along with the object keys for the photos stored in Amazon S3. Amazon S3 is an object storage service that offers industry-leading scalability, data availability, security, and performance. The developer can use AWS APIs to search and retrieve the employee details and photos from DynamoDB and S3.
References:
[Amazon DynamoDB]
[Amazon Simple Storage Service (S3)]

질문 # 720
A company's application includes an Amazon DynamoDB table for product orders. The table has a primary partition key of orderId and has no sort key. The company is adding a new feature that requires the application to query the table by using the customerId attribute.
Which solution will provide this query functionality?

A. Create a new local secondary index (LSI) on the table with a partition key of customerId.
B. Change the existing primary key by setting customerId as the sort key.
C. Create a new global secondary index (GSI) on the table with a partition key of customerId.
D. Create a new local secondary index (LSI) on the table with a partition key of orderId and a sort key of customerId.

정답：C

질문 # 721
A developer is building an application that uses an Amazon RDS for PostgreSQL database. To meet security requirements, the developer needs to ensure that data is encrypted at rest. The developer must be able to rotate the encryption keys on demand.

A. Create a symmetric customer managed AWS KMS key. Use the key to encrypt the database.
B. Create a 256-bit AES-GCM encryption key. Store the key in AWS Secrets Manager, and enable managed rotation. Use the key to encrypt the database.
C. Create a 256-bit AES-GCM encryption key. Store the key in AWS Secrets Manager. Configure an AWS Lambda function to perform key rotation. Use the key to encrypt the database.
D. Use an AWS KMS managed encryption key to encrypt the database.

정답：A

설명：
* Why Option B is Correct:A customer-managed AWS Key Management Service (KMS) key allows for encryption at rest and provides the ability to rotate the key on demand. This ensures compliance with security requirements for key management and database encryption.
* RDS integrates natively with AWS KMS, allowing the use of a customer-managed key for encrypting data at rest.
* Key rotation can be managed directly in AWS KMS without needing custom solutions.
* Why Other Options are Incorrect:
* Option A: AWS KMS managed encryption keys (AWS-owned keys) do not support key rotation on demand.
* Option C & D: Storing keys in AWS Secrets Manager with custom rotation is not a recommended approach for database encryption. AWS KMS is designed specifically for secure key management and encryption.
* AWS Documentation References:
* Encrypting Amazon RDS Resources
* AWS Key Management Service (KMS)

질문 # 722
A company has an Amazon DynamoDB table that contains records of users that have signed up for a trial of the company's product. The company is using a spreadsheet to track data about the product trial. The company needs to ensure the spreadsheet is automatically updated with the latest information when individual trials begin, are updated, or finish.
Which solution will meet these requirements?

A. Enable a DynamoDB stream for the table. Set the view type to old image. Create an AWS Lambda function that uses the stream data to update the spreadsheet. Subscribe the Lambda function to the stream.
B. Create a DynamoDB Accelerator (DAX) cluster from the table. Set the view type to new image.
Create an AWS Lambda function that uses the cluster data to update the spreadsheet. Subscribe the Lambda function to the cluster.
C. Enable a DynamoDB stream for the table. Set the view type to new image. Create an AWS Lambda function that uses the stream data to update the spreadsheet. Subscribe the Lambda function to the stream.
D. Create a DynamoDB Accelerator (DAX) cluster from the table. Set the view type to old image.
Create an AWS Lambda function that uses the cluster data to update the spreadsheet. Subscribe the Lambda function to the cluster.

정답：C

질문 # 723
A company uses more than 100 AWS Lambda functions to handle application services. One Lambda function is critical and must always run successfully. The company notices that occasionally, the critical Lambda function does not initiate. The company investigates the issue and discovers instances of the Lambda TooManyRequestsException: Rate Exceeded error in Amazon CloudWatch logs. Upon further review of the logs, the company notices that some of the non-critical functions run properly while the critical function fails. A developer must resolve the errors and ensure that the critical Lambda function runs successfully. Which solution will meet these requirements with the LEAST operational overhead?

A. Configure CloudWatch alarms for TooManyRequestsException errors. Add the critical Lambda function as an alarm state change action to invoke the critical function again after a failure.
B. Configure CloudWatch alarms for TooManyRequestsException errors. Add Amazon EventBridge as an action for the alarm state change. Use EventBridge to invoke the critical function again after a failure.
C. Configure reserved concurrency for the critical Lambda function. Set reserved concurrent executions to the appropriate level.
D. Configure provisioned concurrency for the critical Lambda function. Set provisioned concurrent executions to the appropriate level.

정답：C

설명：
Reserved concurrency guarantees a specific number of concurrent executions for a critical Lambda function. This ensures that the critical function always has sufficient resources to execute, even if other functions are consuming concurrency.
Why Option A:
Ensures Function Availability: Reserved concurrency isolates the critical Lambda function from other functions.
Low Overhead: Configuring reserved concurrency is straightforward and requires minimal setup.
Why Not Other Options:
Option B: Provisioned concurrency is ideal for reducing cold starts, not for managing execution limits.
Option C & D: Alarms and re-invocation mechanisms add complexity without resolving the root cause.
Reference:
Managing Concurrency for AWS Lambda

질문 # 724
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IT업계에 종사하는 분이라면 국제적으로 인정받는 IT인증시험에 도전하여 자격증을 취득하셔야 합니다. DumpTOP의 Amazon인증 DVA-C02덤프는 이 시험에 참가한 IT인사들의 검증을 받은 최신 시험대비 공부자료입니다. DumpTOP의 Amazon인증 DVA-C02덤프로 시험을 쉽게 패스하여 자격증을 취득하면 승진이나 연봉인상에 많은 편리를 가져다드립니다. 저희는 항상 여러분들의 곁을 지켜줄것입니다.

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