How can this objective be met?

A company is migrating its on-premises database to Amazon RDS for MySQL. The company has read-heavy workloads, and wants to make sure it re-factors its code to achieve optimum read performance for its queries. How can this objective be met?A . Add database retries to effectively use RDS with vertical...

June 19, 2021 No Comments READ MORE +

Which application architect pattern would enables the data to be processed as it is received?

A developer needs to modify an application architecture to meet new functional requirements. Application data is stored in Amazon DynamoDB and processed for analysis in a rightly batch. The system analysts do not want to wait unit the next day to view the processed data and have asked to have...

June 18, 2021 No Comments READ MORE +

What should you do?

You are developing an HTTP API hosted on a Compute Engine virtual machine instance that needs to be invoked by multiple clients within the same Virtual Private Cloud (VPC). You want clients to be able to get the IP address of the service. What should you do?A . Reserve a...

June 18, 2021 No Comments READ MORE +

What should you do?

You are developing an HTTP API hosted on a Compute Engine virtual machine instance that needs to be invoked by multiple clients within the same Virtual Private Cloud (VPC). You want clients to be able to get the IP address of the service. What should you do?A . Reserve a...

June 18, 2021 No Comments READ MORE +

Which technique will accomplish this?

A legacy service has an XML-based SOAP interface. The Developer wants to expose the functionality of the service to external clients with the Amazon API Gateway . Which technique will accomplish this?A . Create a RESTful API with the API Gateway; transform the incoming JSON into a valid XML message...

June 18, 2021 No Comments READ MORE +

Which encryption strategy should a developer use to meet these requirements?

A software company needs to make sure user-uploaded documents are securely stored in Amazon S3. The documents must be encrypted at rest in Amazon S3. The company does not want to manage the security infrastructure in-house, but the company still needs extra protection to ensure it has control over its...

June 16, 2021 1 Comment READ MORE +

How should the application authenticate with AWS services in production?

A Developer is testing a Docker-based application that uses the AWS SDK to interact with Amazon DynamoDB. In the local development environment, the application has used IAM access keys. The application is now ready for deployment onto an ECS cluster. How should the application authenticate with AWS services in production?A...

June 16, 2021 No Comments READ MORE +

Assuming that the initial number of shards in the Kinesis data stream is 4, and after resharding the number of shards increased to 6, what is the maximum number of EC2 instances that can be deployed to process data from all the shards?

An application uses Amazon Kinesis Data Streams to ingest and process large streams of data records in real time. Amazon EC2 instances consume and process the data from the shards of the Kinesis data stream by using Amazon Kinesis Client Library (KCL). The application handles the failure scenarios and does...

June 16, 2021 No Comments READ MORE +

Which solution will meet this requirement?

An ecommerce startup is preparing for an annual sales event As the traffic to the company's application increases, the development team wants to be notified when the Amazon EC2 instance's CPU utilization exceeds 80%. Which solution will meet this requirement?A . Create a custom Amazon CloudWatch alarm that sends a...

June 16, 2021 No Comments READ MORE +

Which service should be used to synchronize user data across devices without the need to create a backend application?

A gaming company is developing a mobile game application for iOS® and Android® platforms. This mobile game securely stores user data locally on the device. The company wants to allow users to use multiple device for the game, which requires user data synchronization across device. Which service should be used...

June 15, 2021 No Comments READ MORE +