DVA-C02퍼펙트덤프데모 - DVA-C02높은통과율시험대비공부자료

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인증 된 AWS 개발자 직원이 되려면 응시자는 65 개의 객관식 및 다중 응답 질문으로 구성된 DVA-C02 시험을 통과해야합니다. 시험은 130 분에 시간이 걸리며 후보자는 1000 명 중 720 점 이상을 통과해야합니다. 인증은 2 년 동안 유효하며, 후보자는 자신의 지위를 유지하기 위해 추천해야합니다. 인증은 전 세계적으로 인정 받고 있으며 고용주가 높이 평가하므로 클라우드 컴퓨팅 산업에서 경력 전망을 향상시키려는 개발자에게 귀중한 자산이됩니다.

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DVA-C02퍼펙트 덤프데모 시험준비에 가장 좋은 기출문제 모은 덤프자료

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시험은 다중 선택 및 다중 응답 질문, 그리고 실제 과제의 조합을 통해 후보자의 지식을 테스트하기 위해 설계되었습니다. 이 시험은 130분 동안 진행되며 여러 언어로 제공됩니다. 시험 통과 점수는 1000점 중 720점이며 시험 비용은 150달러입니다.

최신 AWS Certified Associate DVA-C02 무료샘플문제 (Q337-Q342):

질문 # 337
A company runs an application on AWS. The application consists of a static website that is hosted on Amazon S3. The application includes Amazon API Gateway APIs that invoke AWS Lambda functions. During a period of high traffic on the application, application users reported that the application was slow at irregular intervals. There were no failed requests.
A developer needs to find the slow executions across all the Lambda functions.
Which solution will meet these requirements?

A. Perform a query across all the Lambda function log groups by using Amazon CloudWatch Logs Insights. Filter on type of report and sort descending by Lambda function execution duration.
B. Enable AWS X-Ray for all the Lambda functions. Configure an X-Ray insight on a new group that includes all the Lambda functions. After the X-Ray insight has finished processing, review the X- Ray logs.
C. Set up AWS Glue to crawl through the logs in Amazon CloudWatch Logs for the Lambda functions. Configure an AWS Glue job to transform the logs into a structured format and to output the logs into Amazon S3. Use the Amazon CloudWatch dashboard to visualize the slowest functions based on the duration.
D. Enable AWS CloudTrail Insights on the account where the Lambda functions are running. After CloudTrail Insights has finished processing, review CloudTrail Insights to find the anomalous functions.

정답：B

질문 # 338
A developer is deploying an application on Amazon EC2 instances that run in Account A. The application needs to read data from an existing Amazon Kinesis data stream in Account B.
Which actions should the developer take to provide the application with access to the stream?
(Choose two.)

A. Add a trust policy to the instance profile role and IAM role in Account B to allow reads from the stream.
B. Create an IAM role with stream read permissions in Account B.
C. Add a trust policy to the instance profile role and IAM role in Account B to allow the instance profile role to assume the IAM role.
D. Update the instance profile role in Account A with stream read permissions.
E. Add a resource-based policy in Account B to allow read access from the instance profile role.

정답：B,C

설명：
https://aws.amazon.com/blogs/security/how-to-use-trust-policies-with-iam-roles

질문 # 339
A company has an AWS Step Functions state machine named myStateMachine. The company configured a service role for Step Functions. The developer must ensure that only the myStateMachine state machine can assume the service role.

A. "Condition": { "ArnLike": { "aws
":"arn:aws:states:ap-south-1:*:stateMachine
" } }
B. "Condition": { "ArnLike": { "aws
":"arn:aws:states:ap-south-1:111111111111:stateMachine
" } }

정답：B

설명：
Comprehensive Detailed Step by Step Explanation with All AWS Developer References:
To ensure that only a specific AWS Step Functions state machine (myStateMachine) can assume the service role, you must configure the correct trust policy in AWS IAM.
* Trust Policies: Trust policies determine which entities (services or users) are allowed to assume the role. In this case, we want to restrict the trust policy to only allow the specific state machine (myStateMachine) to assume the role.
* Using ArnLike: The condition "ArnLike" is used to specify that the SourceArn (which refers to the ARN of the entity assuming the role) must match a specific ARN. OptionAspecifies the exact ARN of the myStateMachine state machine, ensuring that only this state machine can assume the role.
* Option B: This option is incorrect because it uses a wildcard (*) for the account ID, which would allow any state machine in the ap-south-1 region to assume the role, not just the specific one.

질문 # 340
A developer is designing a serverless application with two AWS Lambda functions to process photos. One Lambda function stores objects in an Amazon S3 bucket and stores the associated metadata in an Amazon DynamoDB table. The other Lambda function fetches the objects from the S3 bucket by using the metadata from the DynamoDB table. Both Lambda functions use the same Python library to perform complex computations and are approaching the quota for the maximum size of zipped deployment packages.
What should the developer do to reduce the size of the Lambda deployment packages with the LEAST operational overhead?

A. Package each Python library in its own .zip file archive. Deploy each Lambda function with its own copy of the library.
B. Download the Python library to an S3 bucket. Program the Lambda functions to reference the object URLs.
C. Create a Lambda layer with the required Python library. Use the Lambda layer in both Lambda functions.
D. Combine the two Lambda functions into one Lambda function. Deploy the Lambda function as a single .
zip file archive.

정답：C

설명：
AWS Lambda is a service that lets developers run code without provisioning or managing servers. Lambda layers are a distribution mechanism for libraries, custom runtimes, and other dependencies. The developer can create a Lambda layer with the required Python library and use the layer in both Lambda functions. This will reduce the size of the Lambda deployment packages and avoid reaching the quota for the maximum size of zipped deployment packages. The developer can also benefit from using layers to manage dependencies separately from function code.

질문 # 341
A developer is building a web and mobile application for two types of users: regular users and guest users. Regular users are required to log in, but guest users do not log in. Users should see only their data, regardless of whether they authenticate. Users need AWS credentials before they can access AWS resources.

A. Generate temporary credentials. Store the temporary credentials in AWS Secrets Manager. Use the temporary credentials to access the required resources.
B. Generate temporary keys that are stored in AWS KMS. Use the temporary keys to access the required resources.
C. Set up an IAM user that has permissions to the required resources. Hardcode the IAM credentials in the web and mobile application.
D. Use an Amazon Cognito identity pool to generate temporary AWS credentials that are linked to an unauthenticated role that has access to the required resources.

정답：D

설명：
Comprehensive and Detailed Step-by-Step Explanation:
* Option A: Amazon Cognito Identity Pool with Unauthenticated Role
* Cognito identity pools can generate temporary AWS credentials for both authenticated and unauthenticated users.
* For guest users, Cognito assigns an unauthenticated role with limited permissions, ensuring secure access to only their resources.
* This is the most secure and efficient solution for managing AWS credentials dynamically without hardcoding or storing them.
* Why Other Options Are Incorrect:
* Option B:Hardcoding IAM credentials in the application is insecure and violates best practices.
* Option C and D:Temporary keys stored in KMS or Secrets Manager require additional implementation overhead and do not inherently manage user-specific access.

질문 # 342
......

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