Solutions Architect Professional (Page 73)

You have recently joined a startup company building sensors to measure street noise and air quality in urban areas.The company has been running a pilot deployment of around 100 sensors for 3 months each sensor uploads 1KB of sensor data every minute to a backend hosted on AWS.During the pilot, you measured a peak or 10 IOPS on the database, and you stored an average of 3GB of sensor data per month in the database.The current deployment consists of a load-balanced auto scaled Ingestion layer using EC2 instances and a PostgreSQL RDS database with 500GB standard storage.The pilot is considered a success and your CEO has managed to get the attention or some potential investors.The business plan requires a deployment of at least 100K sensors which needs to be supported by the backend.You also need to store sensor data for at least two years to be able to compare year over yearImprovements.To secure funding, you have to make sure that the platform meets these requirements and leaves room for further scaling.Which setup win meet the requirements?Read More →

Accompany runs an application on Amazon EC2 and AWS Lambda.The application stores temporary data in Amazon S3.The S3 objects are deleted after 24 hours.The company deploys new versions of the application by launching AWS CloudFormation stacks.The stacks create the required resources.After validating a new version, the company deletes the old stack.The deletion of an old development stack recently failed.A solutions architect needs to resolve this issue without major architecture changes.Which solution will meet these requirements?Read More →

A web company is looking to implement an intrusion detection and prevention system into their deployed VPC.This platform should have the ability to scale to thousands of instances running inside of the VPC.How should they architect their solution to achieve these goals?Read More →

A finance company hosts a data lake in Amazon S3.The company receives financial data records over SFTP each night from several third parties.The company runs its own SFTP server on an Amazon EC2 instance in a public subnet of a VPC.After the files are uploaded, they are moved to the data lake by a cron job that runs on the same instance.The SFTP server is reachable on DNS sftp.example.com through the use of Amazon Route 53.What should a solutions architect do to improve the reliability and scalability of the SFTP solution?Read More →

A company is storing data on Amazon Simple Storage Service (S3).The company’s security policy mandates that data is encrypted at rest.Which of the following methods can achieve this? (Choose three.)Read More →

A company wants to migrate an application to Amazon EC2 from VMware Infrastructure that runs in an on-premises data center.A solutions architect must preserve the software and configuration settings during the migration.What should the solutions architect do to meet these requirements?Read More →

Your firm has uploaded a large amount of aerial image data to S3.In the past, in your on-premises environment, you used a dedicated group of servers to oaten process this data and used Rabbit MQ – An open source messaging system to get job information to the servers.Once processed the data would go to tape and be shipped offsite.Your manager told you to stay with the current design, and leverage AWS archival storage and messaging services to minimize cost.Which is correct?Read More →

A video processing company has an application that downloads images from an Amazon S3 bucket, processes the images, stores a transformed image in a second S3 bucket, and updates metadata about the image in an Amazon DynamoDB table.The application is written in Node.js and runs by using an AWS Lambda function.The Lambda function is invoked when a new image is uploaded to Amazon S3.The application ran without incident for a while.However, the size of the images has grown significantly.The Lambda function is now failing frequently with timeout errors.The function timeout is set to its maximum value.A solutions architect needs to refactor the application’s architecture to prevent invocation failures.The company does not want to manage the underlying infrastructure.Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)Read More →

You’ve been hired to enhance the overall security posture for a very large e-commerce site.They have a well architected multi-tier application running in a VPC that uses ELBs in front of both the web and the app tier with static assets served directly from S3.They are using a combination of RDS and DynamoDB for their dynamic data and then archiving nightly into S3 for further processing with EMR.They are concerned because they found questionable log entries and suspect someone is attempting to gain unauthorized access.Which approach provides a cost effective scalable mitigation to this kind of attack?Read More →

A company has an organization in AWS Organizations.The company is using AWS Control Tower to deploy a landing zone for the organization.The company wants to implement governance and policy enforcement.The company must implement a policy that will detect Amazon RDS DB instances that are not encrypted at rest in the company’s production OU.Which solution will meet this requirement?Read More →