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Test Amazon DVA-C02 Engine | DVA-C02 Exam Vce Free

Test Amazon DVA-C02 Engine | DVA-C02 Exam Vce Free

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Amazon AWS Certified Developer - Associate Sample Questions (Q253-Q258):

NEW QUESTION # 253
A developer is creating a web application to upload and store private data. The application will encrypt private data and then will upload the data to an Amazon S3 bucket.
The developer needs to implement a solution to automatically find any unencrypted private data in the S3 bucket. The solution must monitor the security and access control of the S3 bucket and must provide a notification if there are any security issues.
Which solution will meet these requirements?

  • A. Enable Amazon Macie for the S3 bucket. Set up custom criteria to find unencrypted private data in the S3 bucket. Set up AWS User Notifications to provide a notification when Macie detects security issues.
  • B. Create an Amazon Kinesis data stream. Configure Amazon S3 to send new object notifications to the stream. Create an AWS Lambda function that runs every 10 minutes to check the stream for unencrypted private data and to monitor for security issues. Program the Lambda function to provide a notification when security issues are detected.
  • C. Use AWS Step Functions to run Amazon Athena queries. Configure Athena to find unencrypted private data and to monitor for security issues in the S3 bucket. Start the queries when new objects are added to the S3 bucket. Configure Athena to provide a notification if security issues are detected.
  • D. Enable Amazon Inspector for the AWS account. Use Amazon Inspector to scan the S3 bucket to find unencrypted private data and to monitor for security issues. Set up Amazon EventBridge to provide a notification when Amazon Inspector detects security issues.

Answer: A

Explanation:
Amazon Macie is a fully managed data security service that uses machine learning and pattern matching to discover, classify, and protect sensitive data stored in Amazon S3. It can automatically detect and alert you to unencrypted sensitive data, and it monitors the security and access control of the S3 bucket. Macie provides notifications when it detects security issues or unencrypted private data, which fits the requirements perfectly.


NEW QUESTION # 254
A company needs to distribute firmware updates to its customers around the world.
Which service will allow easy and secure control of the access to the downloads at the lowest cost?

  • A. Create a dedicated Amazon CloudFront Distribution for each customer.
  • B. Use Amazon CloudFront with signed URLs for Amazon S3.
  • C. Use Amazon API Gateway and AWS Lambda to control access to an S3 bucket.
  • D. Use Amazon CloudFront with AWS Lambda@Edge.

Answer: B

Explanation:
Explanation
This solution allows easy and secure control of access to the downloads at the lowest cost because it uses a content delivery network (CDN) that can cache and distribute firmware updates to customers around the world, and uses a mechanism that can restrict access to specific files or versions. Amazon CloudFront is a CDN that can improve performance, availability, and security of web applications by delivering content from edge locations closer to customers. Amazon S3 is a storage service that can store firmware updates in buckets and objects. Signed URLs are URLs that include additional information, such as an expiration date and time, that give users temporary access to specific objects in S3 buckets. The developer can use CloudFront to serve firmware updates from S3 buckets and use signed URLs to control who can download them and for how long.
Creating a dedicated CloudFront distribution for each customer will incur unnecessary costs and complexity.
Using Amazon CloudFront with AWS Lambda@Edge will require additional programming overhead to implement custom logic at the edge locations. Using Amazon API Gateway and AWS Lambda to control access to an S3 bucket will also require additional programming overhead and may not provide optimal performance or availability.


NEW QUESTION # 255
A developer has written the following IAM policy to provide access to an Amazon S3 bucket:

Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions?

  • A. Access on all buckets except the "DOC-EXAMPLE-BUCKET" bucket
  • B. Access on all objects in the "DOC-EXAMPLE-BUCKET" bucket except on objects that start with
    "secrets"
  • C. Access on all buckets that start with "DOC-EXAMPLE-BUCKET" except the
    "DOC-EXAMPLE-BUCKET/secrets" bucket
  • D. Access on all objects in the "DOC-EXAMPLE-BUCKET" bucket along with access to all S3 actions for objects in the "DOC-EXAMPLE-BUCKET" bucket that start with "secrets"

Answer: B

Explanation:
Explanation
The IAM policy shown in the image is a resource-based policy that grants or denies access to an S3 bucket based on certain conditions. The first statement allows access to any S3 action on any object in the
"DOC-EXAMPLE-BUCKET" bucket when the request is made over HTTPS (the value of aws:SecureTransport is true). The second statement denies access to the s3:GetObject and s3:PutObject actions on any object in the "DOC-EXAMPLE-BUCKET/secrets" prefix when the request is made over HTTP (the value of aws:SecureTransport is false). Therefore, the policy allows access on all objects in the
"DOC-EXAMPLE-BUCKET" bucket except on objects that start with "secrets". Reference: Using IAM policies for Amazon S3


NEW QUESTION # 256
A developer is using an AWS CodePipeline pipeline to provide continuous integration and continuous delivery (CI/CD) support for a Java application. The developer needs to update the pipeline to support the introduction of a new application dependency .jar file. The pipeline must start a build when a new version of the .jar file becomes available.
Which solution will meet these requirements?

  • A. Create an Amazon Elastic Container Registry (Amazon ECR) private repository. Publish the dependency .jar file to the repository. Use an Amazon Simple Notification Service (Amazon SNS) notification to start a CodePipeline pipeline build.
  • B. Create an Amazon Elastic Container Registry (Amazon ECR) private repository. Publish the dependency .jar file to the repository. Use an ECR source action to start a CodePipeline pipeline build.
  • C. Create an AWS CodeArtifact repository. Publish the dependency .jar file to the repository. Use an Amazon EventBridge rule to start a CodePipeline pipeline build.
  • D. Create an Amazon S3 bucket to store the dependency .jar file. Publish the dependency .jar file to the S3 bucket. Use an Amazon Simple Notification Service (Amazon SNS) notification to start a CodePipeline pipeline build.

Answer: C

Explanation:
https://docs.aws.amazon.com/codeartifact/latest/ug/configure-service-events- codepipeline.html#configure-service-events-codepipeline-create-rule


NEW QUESTION # 257
A developer is creating an AWS Lambda function that needs credentials to connect to an Amazon RDS for MySQL database. An Amazon S3 bucket currently stores the credentials. The developer needs to improve the existing solution by implementing credential rotation and secure storage. The developer also needs to provide integration with the Lambda function.
Which solution should the developer use to store and retrieve the credentials with the LEAST management overhead?

  • A. Store the credentials in AWS Secrets Manager. Set the secret type to Credentials for Amazon RDS database. Select the database that the secret will access. Use the default AWS Key Management Service (AWS KMS) key to encrypt the secret. Enable automatic rotation for the secret. Use the secret from Secrets Manager on the Lambda function to connect to the database.
  • B. Store the credentials in AWS Systems Manager Parameter Store. Select the database that the parameter will access. Use the default AWS Key Management Service (AWS KMS) key to encrypt the parameter.
    Enable automatic rotation for the parameter. Use the parameter from Parameter Store on the Lambda function to connect to the database.
  • C. Encrypt the credentials by using AWS Key Management Service (AWS KMS). Store the credentials in an Amazon DynamoDB table. Create a second Lambda function to rotate the credentials. Invoke the second Lambda function by using an Amazon EventBridge rule that runs on a schedule. Update the DynamoDB table. Update the database to use the generated credentials. Retrieve the credentials from DynamoDB with the first Lambda function. Connect to the database.
  • D. Encrypt the credentials with the default AWS Key Management Service (AWS KMS) key. Store the credentials as environment variables for the Lambda function. Create a second Lambda function to generate new credentials and to rotate the credentials by updating the environment variables of the first Lambda function. Invoke the second Lambda function by using an Amazon EventBridge rule that runs on a schedule. Update the database to use the new credentials. On the first Lambda function, retrieve the credentials from the environment variables. Decrypt the credentials by using AWS KMS, Connect to the database.

Answer: A

Explanation:
AWS Secrets Manager is a service that helps you protect secrets needed to access your applications, services, and IT resources. Secrets Manager enables you to store, retrieve, and rotate secrets such as database credentials, API keys, and passwords. Secrets Manager supports a secret type for RDS databases, which allows you to select an existing RDS database instance and generate credentials for it. Secrets Manager encrypts the secret using AWS Key Management Service (AWS KMS) keys and enables automatic rotation of the secret at a specified interval. A Lambda function can use the AWS SDK or CLI to retrieve the secret from Secrets Manager and use it to connect to the database. Reference: Rotating your AWS Secrets Manager secrets


NEW QUESTION # 258
......

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