Solutions Architect Associate (Page 111)

A company is designing an event-driven order processing system.Each order requires multiple validation steps after the order is created.An idempotent AWS Lambda function performs each validation step.Each validation step is independent from the other validation steps.Individual validation steps need only a subset of the order event information.The company wants to ensure that each validation step Lambda function has access to only the information from the order event that the function requires.The components of the order processing system should be loosely coupled to accommodate future business changes.Which solution will meet these requirements?Read More →

An ecommerce company is running a multi-tier application on AWS.The front-end and backend tiers both run on Amazon EC2, and the database runs on AmazonRDS for MySQL.The backend tier communicates with the RDS instance.There are frequent calls to return identical datasets from the database that are causing performance slowdowns.Which action should be taken to improve the performance of the backend?Read More →

A company serves its website by using an Auto Scaling group of Amazon EC2 instances in a single AWS Region.The website does not require a database.The company is expanding, and the company’s engineering team deploys the website to a second Region.The company wants to distribute traffic across both Regions to accommodate growth and for disaster recovery purposes.The solution should not serve traffic from a Region in which the website is unhealthy.Which policy or resource should the company use to meet these requirements?Read More →

A company must migrate 20 TB of data from a data center to the AWS Cloud within 30 days.The company’s network bandwidth is limited to 15 Mbps and cannot exceed 70% utilization.What should a solutions architect do to meet these requirements?Read More →

A company is building an application on AWS.The application uses multiple AWS Lambda functions to retrieve sensitive data from a single Amazon S3 bucket for processing.The company must ensure that only authorized Lambda functions can access the data.The solution must comply with the principle of least privilege.Which solution will meet these requirements?Read More →

A company has an Amazon EC2 instance running on a private subnet that needs to access a public website to download patches and updates.The company does not want external websites to see the EC2 instance IP address or initiate connections to it.How can a solutions architect achieve this objective?Read More →

A company runs several Amazon RDS for Oracle On-Demand DB instances that have high utilization.The RDS DB instances run in member accounts that are in an organization in AWS Organizations.The company’s finance team has access to the organization’s management account and member accounts.The finance team wants to find ways to optimize costs by using AWS Trusted Advisor.Which combination of steps will meet these requirements? (Choose two.)Read More →

A company’s web application is running on Amazon EC2 instances behind an Application Load Balancer.The company recently changed its policy, which now requires the application to be accessed from one specific country only.Which configuration will meet this requirement?Read More →

A company wants to enhance its ecommerce order-processing application that is deployed on AWS.The application must process each order exactly once without affecting the customer experience during unpredictable traffic surges.Which solution will meet these requirements?Read More →

A solutions architect is designing a mission-critical web application.It will consist of Amazon EC2 instances behind an Application Load Balancer and a relational database.The database should be highly available and fault tolerant.Which database implementations will meet these requirements? (Choose two.)Read More →