AMAZON DVA-C02 RELIABLE EXAM SIMS & RELIABLE DVA-C02 EXAM REGISTRATION

Amazon DVA-C02 Reliable Exam Sims & Reliable DVA-C02 Exam Registration

Amazon DVA-C02 Reliable Exam Sims & Reliable DVA-C02 Exam Registration

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Amazon AWS Certified Developer - Associate Sample Questions (Q37-Q42):

NEW QUESTION # 37
A developer is building various microservices for an application that will run on Amazon EC2 instances. The developer needs to monitor the end-to-end view of the requests between the microservices and debug any issues in the various microservices.
What should the developer do to accomplish these tasks?

  • A. Use Amazon CloudWatch to aggregate the microservices' logs and metrics, and build the monitoring dashboard.
  • B. Use AWS Health to monitor the health of all the microservices.
  • C. Use the AWS X-Ray SDK to add instrumentation in all the microservices, and monitor using the X-Ray service map.
  • D. Use AWS CloudTrail to aggregate the microservices' logs and metrics, and build the monitoring dashboard.

Answer: C


NEW QUESTION # 38
A developer is testing a new file storage application that uses an Amazon CloudFront distribution to serve content from an Amazon S3 bucket. The distribution accesses the S3 bucket by using an origin access identity (OAI). The S3 bucket's permissions explicitly deny access to all other users.
The application prompts users to authenticate on a login page and then uses signed cookies to allow users to access their personal storage directories. The developer has configured the distribution to use its default cache behavior with restricted viewer access and has set the origin to point to the S3 bucket. However, when the developer tries to navigate to the login page, the developer receives a 403 Forbidden error.
The developer needs to implement a solution to allow unauthenticated access to the login page. The solution also must keep all private content secure.
Which solution will meet these requirements?

  • A. Add a second origin as a failover origin to the default cache behavior. Point the failover origin to the S3 bucket. Set the path pattern for the primary origin to *, and make viewer access restricted. Set the path pattern for the failover origin to the path of the login page, and make viewer access unrestricted.
  • B. Add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged.
  • C. Add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to *, and make viewer access restricted. Change the default cache behavior's path pattern to the path of the login page, and make viewer access unrestricted.
  • D. Add a bucket policy to the S3 bucket to allow read access. Set the resource on the policy to the Amazon Resource Name (ARN) of the login page object in the S3 bucket. Add a CloudFront function to the default cache behavior to redirect unauthorized requests to the login page's S3 URL.

Answer: B

Explanation:
Explanation
The solution that will meet the requirements is to add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged. This way, the login page can be accessed without authentication, while all other content remains secure and requires signed cookies. The other options either do not allow unauthenticated access to the login page, or expose private content to unauthorized users.


NEW QUESTION # 39
A company has multiple Amazon VPC endpoints in the same VPC. A developer needs to configure an Amazon S3 bucket policy so users can access an S3 bucket only by using these VPC endpoints.
Which solution will meet these requirements?

  • A. Create a single S3 bucket policy that has the aws:SourceVpc value and in the StringNotEquals condition to use VPC ID.
  • B. Create a single S3 bucket policy that has the aws:SourceVpce value and in the StringNotEquals condition to use vpce*.
  • C. Create multiple S3 bucket polices by using each VPC endpoint ID that have the aws:SourceVpce value in the StringNotEquals condition.
  • D. Create a single S3 bucket policy that has multiple aws:sourceVpce value in the StringNotEquals condition. Repeat for all the VPC endpoint IDs.

Answer: D


NEW QUESTION # 40
A developer is building an application that will use an Amazon API Gateway API with an AWS Lambda backend. The team that will develop the frontend requires immediate access to the API endpoints to build the UI. To prepare the backend application for integration, the developer needs to set up endpoints. The endpoints need to return predefined HTTP status codes and JSON responses for the frontend team. The developer creates a method for an API resource.
Which solution will meet these requirements?

  • A. Set the integration type to MOCK. Configure the method's integration request and integration response to associate a JSON responses with specific HTTP status codes.
  • B. Set the integration type to HTTP_PROXY. Configure API Gateway to pass all requests to an external placeholder API. which the team will build.
  • C. Set the integration type to MOCK. Use a method request to define HTTP status codes. Use an integration request to define JSON responses.
  • D. Set the integration type to AWS_PROXY. Provision Lambda functions to return hardcoded JSON data.

Answer: A

Explanation:
Setting the integration type to MOCK allows you to create mock responses without having a backend implementation.
With this approach, you can easily provide predefined JSON responses for specific HTTP status codes, allowing the frontend team to work on UI development with realistic data.
Configuring the method's integration request and integration response in API Gateway allows you to define the expected request and response formats, including associating JSON responses with specific HTTP status codes.


NEW QUESTION # 41
A company has on-premises data centers that run an image processing service. The service consists of containerized applications that run on Kubernetes clusters. All the applications have access to the same NFS share for files and data storage.
The company is running out of NFS capacity in the data centers and needs to migrate to AWS as soon as possible. The Kubernetes clusters must be highly available on AWS.
Which combination of actions will meet these requirements? (Choose two.)

  • A. Create an Amazon Elastic Kubernetes Service (Amazon EKS) cluster to run the applications.Configure each node of the cluster to mount the Amazon Elastic File System (Amazon EFS) volume at the required path for the container images.
  • B. Create an Amazon Elastic Container Service (Amazon ECS) cluster to run the applications.
    Configure each node of the cluster to mount the Amazon Elastic Block Store (Amazon EBS) volume at the required path for the container images.
  • C. Create an Amazon Elastic Kubernetes Service (Amazon EKS) cluster to run the applications.
    Configure each node of the cluster to mount the Amazon Elastic Block Store (Amazon EBS) volume at the required path for the container images.
  • D. Transfer the information that is in the NFS share to an Amazon Elastic File System (Amazon EFS) volume. Upload the container images to Amazon Elastic Container Registry (Amazon ECR).
  • E. Transfer the information that is in the NFS share to an Amazon Elastic Block Store (Amazon EBS) volume. Upload the container images to Amazon Elastic Container Registry (Amazon ECR).

Answer: A,D

Explanation:
https://docs.aws.amazon.com/efs/latest/ug/efs-onpremises.html


NEW QUESTION # 42
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