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Amazon인증 DVA-C02시험은 IT인증자격증중 가장 인기있는 자격증을 취득하는 필수시험 과목입니다. Amazon인증 DVA-C02시험을 패스해야만 자격증 취득이 가능합니다. DumpTOP의Amazon인증 DVA-C02는 최신 시험문제 커버율이 높아 시험패스가 아주 간단합니다. Amazon인증 DVA-C02덤프만 공부하시면 아무런 우려없이 시험 보셔도 됩니다. 시험합격하면 좋은 소식 전해주세요.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Deployment | 24% | - Implement CI/CD pipelines
|
| Topic 2: Development with AWS Services | 32% | - Integrate AWS services into applications
|
| Topic 3: Troubleshooting and Optimization | 18% | - Optimize application performance
|
| Topic 4: Security | 26% | - Secure application data
|
DumpTOP는DumpTOP의Amazon인증 DVA-C02덤프자료를 공부하면 한방에 시험패스하는것을 굳게 약속드립니다. DumpTOP의Amazon인증 DVA-C02덤프로 공부하여 시험불합격받으면 바로 덤프비용전액 환불처리해드리는 서비스를 제공해드리기에 아무런 무담없는 시험준비공부를 할수 있습니다.
질문 # 718
A company runs an AWS CodeBuild project on medium-sized Amazon EC2 instances. The company wants to cost optimize the project and reduce the provisioning time.
정답：C
설명：
Comprehensive and Detailed Step-by-Step Explanation:
* Option D: Set up Amazon S3 Caching for CodeBuild:
* CodeBuild supports S3 caching to store intermediate build artifacts and dependencies. This reduces the time required to download dependencies during subsequent builds, effectively lowering costs and improving build performance.
* By using S3 caching, developers can optimize costs without changing the compute type or adding complexity.
* Why Other Options Are Incorrect:
* Option A: CodeBuild does not have a "reserved capacity fleet" option.
* Option B: AWS Lambda cannot be used as the compute mode for CodeBuild projects.
CodeBuild uses its own managed build environments.
* Option C: CodeBuild already operates on an on-demand basis, so this does not address the need for optimization or reduced provisioning time.
References:
* AWS CodeBuild Caching Documentation
질문 # 719
A developer is building a web application that is accessible through an Amazon CloudFront distribution. The application invokes an AWS Lambda function through a function URL.
The developer wants to ensure that all traffic to the Lambda function passes through the CloudFront distribution first. The developer configures the function URL AuthType parameter to enforce IAM authentication.
Which solution will meet these requirements?
정답：A
설명：
To force all access through CloudFront when the function URL requires IAM authentication, CloudFront must be able to sign requests to the origin and the origin must only trust CloudFront.
Using CloudFront Origin Access Control (OAC) enables CloudFront to securely authenticate to the origin with SigV4, and configuring the Lambda function permissions to allow the CloudFront OAC restricts direct access to the function URL so requests must come through the CloudFront distribution.
질문 # 720
A company has a multi-node Windows legacy application that runs on premises. The application uses a network shared folder as a centralized configuration repository to store configuration files in .xml format. The company is migrating the application to Amazon EC2 instances. As part of the migration to AWS, a developer must identify a solution that provides high availability for the repository.
Which solution will meet this requirement MOST cost-effectively?
정답：B
설명：
Amazon S3 is a service that provides highly scalable, durable, and secure object storage. The developer can create an S3 bucket to host the repository and migrate the existing .xml files to the S3 bucket. The developer can update the application code to use the AWS SDK to read and write configuration files from S3. This solution will meet the requirement of high availability for the repository in a cost-effective way.
Reference:
[Amazon Simple Storage Service (S3)]
[Using AWS SDKs with Amazon S3]
질문 # 721
A developer is building an application that consists of many AWS Lambda functions. The Lambda functions connect to a single Amazon RDS database.
The developer needs to implement a solution to store the database credentials securely. When the credentials are updated, the Lambda functions must be able to use the new credentials without requiring a code update or a configuration update.
Which solution will meet these requirements?
정답：B
설명：
AWS Secrets Manager is specifically designed to securely store and manage sensitive information, such as database credentials. You can store the credentials as a secret and access them dynamically at runtime from within your Lambda functions. Secrets Manager also supports automatic rotation of secrets, so when the credentials are updated, the Lambda functions can access the updated credentials without needing a code or configuration update. This is the best solution for managing credentials securely and allowing Lambda functions to access them with minimal operational overhead.
질문 # 722
A developer is storing JSON files in an Amazon S3 bucket. The developer wants to securely share an object with a specific group of people.
How can the developer securely provide temporary access to the objects that are stored in the S3 bucket?
정답：B
설명：
To securely grant temporary access to a specific S3 object, the best option is to use an Amazon S3 presigned URL. A presigned URL is created by an IAM principal (user or role) that already has permission to access the object. The URL includes a signature and an expiration time, allowing anyone who has the URL to perform the specified operation (typically GET to download, or PUT to upload) until the URL expires. This meets the requirement for temporary access without changing the bucket to be publicly accessible.
Presigned URLs are especially useful when the developer needs to share access with people who do not have AWS credentials or are not part of the same AWS account. The developer can set an expiration that matches the business need (minutes to hours, etc.). After expiration, the URL no longer works, which reduces security exposure compared with long-lived access keys or permanently permissive bucket policies.
Option C (bucket policy with time restriction) can enforce time-based access, but it is not a practical way to securely share with a "specific group of people" unless those people authenticate with identifiable principals (IAM roles/users, federated identities) and you scope the policy to those principals. Simply providing the bucket S3 URL would not grant access unless the recipients also have valid permissions. Option D (static website hosting) is generally for public web content and does not inherently provide secure, temporary, per- object access control. Option A is unrelated to access sharing; object retention and restore operations are for retention/compliance and archival retrieval, not temporary permission grants.
Therefore, generating and sharing a presigned URL (B) is the standard, secure mechanism for time-limited access to S3 objects.
질문 # 723
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