Solutions Architect Professional (Page 76)

A company is using AWS CloudFormation to deploy its infrastructure.The company is concerned that, if a production CloudFormation stack is deleted, important data stored in Amazon RDS databases or Amazon EBS volumes might also be deleted.How can the company prevent users from accidentally deleting data in this way?Read More →

A company is using GitHub Actions to run a CI/CD pipeline that accesses resources on AWS.The company has an IAM user that uses a secret key in the pipeline to authenticate to AWS.An existing IAM role with an attached policy grants the required permissions to deploy resources.The company’s security team implements a new requirement that pipelines can no longer use long-lived secret keys.A solutions architect must replace the secret key with a short-lived solution.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A retail company has a small ecommerce web application that uses an Amazon RDS for PostgreSQL DB instance.The DB instance is deployed with the Multi-AZ option turned on.Application usage recently increased exponentially, and users experienced frequent HTTP 503 errors.Users reported the errors, and the company’s reputation suffered.The company could not identify a definitive root cause.The company wants to improve its operational readiness and receive alerts before users notice an incident.The company also wants to collect enough information to determine the root cause of any future incident.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A company runs an IoT application in the AWS Cloud.The company has millions of sensors that collect data from houses in the United States.The sensors use the MQTT protocol to connect and send data to a custom MQTT broker.The MQTT broker stores the data on a single Amazon EC2 instance.The sensors connect to the broker through the domain named iot.example.com.The company uses Amazon Route 53 as its DNS service.The company stores the data in Amazon DynamoDB.On several occasions, the amount of data has overloaded the MQTT broker and has resulted in lost sensor data.The company must improve the reliability of the solution.Which solution will meet these requirements?Read More →

What combination of steps could a Solutions Architect take to protect a web workload running on Amazon EC2 from DDoS and application layer attacks? (Choose two.)Read More →

A company needs to migrate its website from an on-premises data center to AWS.The website consists of a load balancer, a content management system (CMS) that runs on a Linux operating system, and a MySQL database.The CMS requires persistent NFS-compatible storage for a file system.The new solution on AWS must be able to scale from 2 Amazon EC2 instances to 30 EC2 instances in response to unpredictable traffic increases.The new solution also must require no changes to the website and must prevent data loss.Which solution will meet these requirements?Read More →

An online e-commerce business is running a workload on AWS.The application architecture includes a web tier, an application tier for business logic, and a database tier for user and transactional data management.The database server has a 100 GB memory requirement.The business requires cost-efficient disaster recovery for the application with an RTO of 5 minutes and an RPO of 1 hour.The business also has a regulatory for out-of-region disaster recovery with a minimum distance between the primary and alternate sites of 250 miles.Which of the following options can the Solutions Architect design to create a comprehensive solution for this customer that meets the disaster recovery requirements?Read More →

A company runs many workloads on AWS and uses AWS Organizations to manage its accounts.The workloads are hosted on Amazon EC2.AWS Fargate.and AWS Lambda.Some of the workloads have unpredictable demand.Accounts record high usage in some months and low usage in other months.The company wants to optimize its compute costs over the next 3 years.A solutions architect obtains a 6-month average for each of the accounts across the organization to calculate usage.Which solution will provide the MOST cost savings for all the organization’s compute usage?Read More →

A company is operating a large customer service call center, and stores and processes call recordings with a custom application.Approximately 2% of the call recordings are transcribed by an offshore team for quality assurance purposes.These recordings take up to 72 hours to be transcribed.The recordings are stored on an NFS share before they are archived to an offsite location after 90 days.The company uses Linux servers for processing the call recordings and managing the transcription queue.There is also a web application for the quality assurance staff to review and score call recordings.The company plans to migrate the system to AWS to reduce storage costs and the time required to transcribe calls.Which set of actions should be taken to meet the company’s objectives?Read More →

A company runs a proprietary stateless ETL application on an Amazon EC2 Linux instances.The application is a Linux binary, and the source code cannot be modified.The application is single-threaded, uses 2 GB of RAM, and is highly CPU intensive.The application is scheduled to run every 4 hours and runs for up to 20 minutes.A solutions architect wants to revise the architecture for the solution.Which strategy should the solutions architect use?Read More →