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DVA-C02:AWS Certified Developer - Associate시험덤프DVA-C02응시자료

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경쟁율이 치열한 IT업계에서 아무런 목표없이 아무런 희망없이 무미건조한 생활을 하고 계시나요? 다른 사람들이 모두 취득하고 있는 자격증에 관심도 없는 분은 치열한 경쟁속에서 살아남기 어렵습니다. Amazon인증 DVA-C02시험패스가 힘들다한들PassTIP덤프만 있으면 어려운 시험도 쉬워질수 밖에 없습니다. Amazon인증 DVA-C02덤프에 있는 문제만 잘 이해하고 습득하신다면Amazon인증 DVA-C02시험을 패스하여 자격증을 취득해 자신의 경쟁율을 업그레이드하여 경쟁시대에서 안전감을 보유할수 있습니다.

>> DVA-C02시험패스자료 <<

DVA-C02인증시험자료 & DVA-C02최고품질 덤프데모

Amazon DVA-C02인증시험패스에는 많은 방법이 있습니다. 먼저 많은 시간을 투자하고 신경을 써서 전문적으로 과련 지식을 터득한다거나; 아니면 적은 시간투자와 적은 돈을 들여 PassTIP의 인증시험덤프를 구매하는 방법 등이 있습니다.

최신 AWS Certified Associate DVA-C02 무료샘플문제 (Q523-Q528):

질문 # 523
A developer runs an application that displays scores for sports games on Amazon EC2 instances.
The application uses a Redis client to retrieve the scores from an Amazon ElastiCache (Redis OSS) cluster. The developer observes increased latency during operations on the cache because of connection failures to the cluster. The developer needs to resolve the latency issues.
Which solution will meet this requirement?

• A. Deploy more nodes in the ElastiCache cluster. Update the Redis client to discover the new nodes.
• B. Configure the Redis client to use an exponential backoff retry strategy to establish cache connections.
• C. Store the scores in the application's memory. Perform bulk set operations on the scores that are stored in memory.
• D. Configure the Redis client in the application to persist connections to the cluster by implementing a connection pool.

정답：D

설명：
Implementing a connection pool in the Redis client reduces connection overhead and avoids frequent connection establishment, which helps to reduce latency and connection failures.

 

질문 # 524
A developer is creating an AWS Serverless Application Model (AWS SAM) template. The AWS SAM template contains the definition of multiple AWS Lambda functions, an Amazon S3 bucket, and an Amazon CloudFront distribution. One of the Lambda functions runs on Lambda@Edge in the CloudFront distribution. The S3 bucket is configured as an origin for the CloudFront distribution.
When the developer deploys the AWS SAM template in the eu-west-1 Region, the creation of the stack fails.
Which of the following could be the reason for this issue?

• A. The CloudFront distribution and the S3 bucket cannot be created in the same Region.
• B. Lambda@Edge functions can be created only in the us-east-1 Region.
• C. A single AWS SAM template cannot contain multiple Lambda functions.
• D. CloudFront distributions can be created only in the us-east-1 Region.

정답：B

설명：
It must be deployed to a region where Lambda@Edge is supported, such as us-east-1.

 

질문 # 525
A company has an existing application that has hardcoded database credentials A developer needs to modify the existing application The application is deployed in two AWS Regions with an active-passive failover configuration to meet company's disaster recovery strategy The developer needs a solution to store the credentials outside the code. The solution must comply With the company's disaster recovery strategy Which solution Will meet these requirements in the MOST secure way?

• A. Store credentials in a config file. Upload the config file to an S3 bucket in me primary Region. Enable Cross-Region Replication (CRR) to an S3 bucket in the secondary region. Update the application to access the config file from the S3 bucket based on the Region.
• B. Store credentials in a config file. Upload the config file to an Amazon Elastic File System (Amazon EFS) file system. Update the application to use the Amazon EFS file system Regional endpoints to access the config file in the primary and secondary Regions.
• C. Store credentials in AWS Systems Manager Parameter Store in the primary Region. Enable parameter replication to the secondary Region. Update the application to use the Amazon Resource Name (ARN) based on the Region.
• D. Store the credentials in AWS Secrets Manager in the primary Region. Enable secret replication to the secondary Region Update the application to use the Amazon Resource Name (ARN) based on the Region.

정답：D

설명：
AWS Secrets Manager is a service that allows you to store and manage secrets, such as database credentials, API keys, and passwords, in a secure and centralized way. It also provides features such as automatic secret rotation, auditing, and monitoring1. By using AWS Secrets Manager, you can avoid hardcoding credentials in your code, which is a bad security practice and makes it difficult to update them. You can also replicate your secrets to another Region, which is useful for disaster recovery purposes2. To accessyour secrets from your application, you can use the ARN of the secret, which is a unique identifier that includes the Region name. This way, your application can use the appropriate secret based on the Region where it is deployed3.

 

질문 # 526
A company's developer has deployed an application in AWS by using AWS CloudFormation The CloudFormation stack includes parameters in AWS Systems Manager Parameter Store that the application uses as configuration settings. The application can modify the parameter values When the developer updated the stack to create additional resources with tags, the developer noted that the parameter values were reset and that the values ignored the latest changes made by the application. The developer needs to change the way the company deploys the CloudFormation stack. The developer also needs to avoid resetting the parameter values outside the stack.
Which solution will meet these requirements with the LEAST development effort?

• A. Create an Amazon RDS DB instance as a resource in the CloudFormation stack. Create a table in the database for parameter configuration. Migrate the parameters that the application is modifying from Parameter Store to the configuration table
• B. Create an Amazon DynamoDB table as a resource in the CloudFormation stack to hold configuration data for the application Migrate the parameters that the application is modifying from Parameter Store to the DynamoDB table
• C. Modify the CloudFormation stack policy to deny updates on Parameter Store parameters
• D. Modify the CloudFormation stack to set the deletion policy to Retain for the Parameter Store parameters.

정답：D

설명：
* Problem:CloudFormation updates reset Parameter Store parameters, disrupting application behavior.
* Deletion Policy:CloudFormation has a deletion policy that controls resource behavior when a stack is deleted or updated. The 'Retain' policy instructs CloudFormation to preserve a resource's current state.
* Least Development Effort:This solution involves a simple CloudFormation template modification, requiring minimal code changes.

 

질문 # 527
A company is using Amazon OpenSearch Service to implement an audit monitoring system. A developer needs to create an AWS Cloudformation custom resource that is associated with an AWS Lambda function to configure the OpenSearch Service domain. The Lambda function must access the OpenSearch Service domain by using Open Search Service internal master user credentials.
What is the MOST secure way to pass these credentials to the Lambdas function?

• A. Use a CloudFormation parameter to pass the master uses credentials at deployment to the OpenSearch Service domain's MasterUserOptions and the Lambda function's environment varleWe Encrypt the parameters value by using the AWS Key Management Service (AWS KMS) encrypt command.
• B. Use a CloudFormation parameter to pass the master user credentials at deployment to the OpenSearch Service domain's MasterUserOptions and the Lambda function's environment variable. Set the No Echo attenuate to true.
• C. Use a CloudFormation parameter to pass the master user credentials at deployment to the OpenSearch Service domain's MasterUserOptions and to create a parameter. In AWS Systems Manager Parameter Store. Set the No Echo attribute to true. Create an 1AM role that has the ssm GetParameter permission. Assign me role to the Lambda function. Store me parameter name as the Lambda function's environment variable. Resolve the parameter's value at runtime.
• D. Use CloudFoimalion to create an AWS Secrets Manager Secret. Use a CloudFormation dynamic reference to retrieve the secret's value for the OpenSearch Service domain's MasterUserOptions. Create an 1AM role that has the secrets manager. GetSecretvalue permission. Assign the role to the Lambda Function Store the secrets name as the Lambda function's environment variable. Resole the secret's value at runtime.

정답：D

설명：
The solution that will meet the requirements is to use CloudFormation to create an AWS Secrets Manager secret. Use a CloudFormation dynamic reference to retrieve the secret's value for the OpenSearch Service domain's MasterUserOptions. Create an IAM role that has the secretsmanager:GetSecretValue permission. Assign the role to the Lambda function. Store the secret's name as the Lambda function's environment variable. Resolve the secret's value at runtime. This way, the developer can pass the credentials to the Lambda function in a secure way, as AWS Secrets Manager encrypts and manages the secrets. The developer can also use a dynamic reference to avoid exposing the secret's value in plain text in the CloudFormation template. The other options either involve passing the credentials as plain text parameters, which is not secure, or encrypting them with AWS KMS, which is less convenient than using AWS Secrets Manager.

 

질문 # 528
......

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