SAA-C02 (Page 12)

A company has a website deployed on AWS.The database backend is hosted on Amazon RDS for MySQL with a primary instance and five read replicas to support scaling needs.The read replicas should lag no more than 1 second behind the primary instance to support the user experience.As traffic on the website continues to increase, the replicas are falling further behind during periods of peak load, resulting in complaints from users when searches yield inconsistent results.A solutions architect needs to reduce the replication lag as much as possible, with minimal changes to the application code or operational requirements.Which solution meets these requirements?Read More →

A company has an API-based inventory reporting application running on Amazon EC2 instances.The application stores information in an Amazon DynamoDB table.The company’s distribution centers have an on-premises shipping application that calls an API to update the inventory before printing shipping labels.The company has been experiencing application interruptions several times each day, resulting in lost transactions.What should a solutions architect recommend to improve application resiliency?Read More →

A company has a three-tier environment on AWS that ingests sensor data from its users’ devices.The traffic flows through a Network Load Balancer (NLB) then toAmazon EC2 instances for the web tier, and finally toEC2 instances for the application tier that makes database calls.What should a solutions architect do to improve the security of data in transit to the web tier?Read More →

A company is preparing to store confidential data in Amazon S3.For compliance reasons, the data must be encrypted at rest.Encryption key usage must be logged for auditing purposes.Keys must be rotated every year.Which solution meets these requirements and is the MOST operationally efficient?Read More →

A media company has an application that tracks user clicks on its websites and performs analytics to provide near-real time recommendations. The application has a Heel of Amazon EC2 instances that receive data from the websites and send the data to an Amazon RDS DB instance. Another fleet of EC2 instances hosts the portion of the application that is continuously checking changes in the database and executing SQL queries to provide recommendations. Management has requested a redesign to decouple the infrastructure. The solution must ensure that data analysts are writing SQL to analyze the data only No data can the lost during the deployment.What should a solutions architect recommend?Read More →

A company that operates a web application on premises is preparing to launch a newer version of the application on AWS.The company needs to route requests to either the AWS-hosted or the on-premises-hosted application based on the URL query string.The on-premises application is not available from the internet, and a VPN connection is established between Amazon VPC and the company’s data center.The company wants to use an Application Load Balancer (ALB) for this launch.Which solution meets these requirements?Read More →

A company has an on-premises business application that generates hundreds of files each day.These files are stored on an SMB file share and require a low- latency connection to the application servers.A new company policy states all application-generated files must be copied to AWS.There is already a VPN connection to AWS.The application development team does not have time to make the necessary code modifications to move the application to AWS.Which service should a solutions architect recommend to allow the application to copy files to AWS?Read More →

A company wants to reduce its Amazon S3 storage costs in its production environment without impacting durability or performance of the stored objects.What is the FIRST step the company should take to meet these objectives?Read More →

A company is using Amazon Redshift for analytics and to generate customer reports.The company recently acquired 50 TB of additional customer demographic data.The data is stored in .csv files in Amazon S3.The company needs a solution that joins the data and visualizes the results with the least possible cost and effort.What should a solutions architect recommend to meet these requirements?Read More →

A company is building a web application that serves a content management system.The content management system runs on Amazon EC2 instances behind anApplication Load Balancer (ALB).The EC2 instances run in an Auto Scaling group across multiple Availability Zones.Users are constantly adding and updating files, blogs, and other website assets in the content management system.A solutions architect must implement a solution in which all the EC2 instances share up-to-date website content with the least possible lag time.Which solution meets these requirements?Read More →