SAA-C02 (Page 53)

A company hosts its application using Amazon Elastic Container Service (Amazon ECS) and wants to ensure high availability.The company wants to be able to deploy updates to its application even if nodes in one Availability Zone are not accessible.The expected request volume for the application is 100 requests per second, and each container task is able to serve at least 60 requests per second.The company set up Amazon ECS with a rolling update deployment type with the minimum healthy percent parameter set to 50% and the maximum percent set to100%.Which configuration of tasks and Availability Zones meets these requirements?Read More →

A company is designing an application.The application uses an AWS Lambda function to receive information through Amazon API Gateway and to store the information in an Amazon Aurora PostgreSQL database.During the proof-of-concept stage, the company has to increase the Lambda quotas significantly to handle the high volumes of data that the company needs to load into the database.A solutions architect must recommend a new design to improve scalability and minimize the configuration effort.Which solution will meet these requirements?Read More →

A company is preparing to launch a public-facing web application in the AWS Cloud.The architecture consists of Amazon EC2 instances within a VPC behind anElastic Load Balancer (ELB).A third party service is used for the DNS.The company’s solutions architect must recommend a solution to detect and protect against largescale DDoS attacks.Which solution meets these requirements?Read More →

A company is running a multi-tier ecommerce web application in the AWS Cloud.The application runs on Amazon EC2 Instances with an Amazon RDS MySQLMulti-AZ DB instance.Amazon RDS is configured with the latest generation instance with 2,000 GB of storage in a General Purpose SSD (gp3) Amazon ElasticBlock Store (Amazon EBS) volume.The database performance affects the application during periods of high demand.A database administrator analyzes the logs in Amazon CloudWatch Logs and discovers that the application performance always degrades when the number of read and write IOPS is higher than 20,000.What should a solutions architect do to improve the application performance?Read More →

A company has a three-tier image-sharing application.The application uses an Amazon EC2 instance for the front-end layer, another EC2 instance for the application layer, and a third EC2 instance for a MySQL database.A solutions architect must design a scalable and highly available solution that requires the least amount of change to the application.Which solution meets these requirements?Read More →

A company has an application that gives users the ability to upload images to an Amazon S3 bucket.Each night, the company launches an Amazon EC2 SpotFleet that processes all the images that the company received that day.The code to process the images is small (less than 200 MB), and each image takes less than 5 minutes to process.The company wants to change the application to process the images when the images are uploaded.However, the company is concerned about the cost of this new functionality.What should a solutions architect do to implement this change MOST cost-effectively?Read More →

A company has a Windows-based application that must be migrated to AWS.The application requires the use of a shared Windows file system attached to multiple Amazon EC2 Windows instances that are deployed across multiple Availability Zones.What should a solutions architect do to meet this requirement?Read More →

A company has one million users that use its mobile app.The company must analyze the data usage in near-real time.The company also must encrypt the data in near-real time and must store the data in a centralized location in Apache Parquet format for further processing.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A company is migrating a NoSQL database cluster to Amazon EC2.The database automatically replicates data to maintain at least three copies of the data.I/O throughput of the servers is the highest priority.Which instance type should a solutions architect recommend for the migration?Read More →

A company has a web application with sporadic usage patterns.There is heavy usage at the beginning of each month, moderate usage at the start of each week, and unpredictable usage during the week.The application consists of a web server and a MySQL database server running inside the data center.The company would like to move the application to the AWS Cloud, and needs to select a cost-effective database platform that will not require database modifications.Which solution will meet these requirements?Read More →