Solutions Architect Professional

A flood monitoring agency has deployed more than 10,000 water-level monitoring Sensors.Sensors send continuous data updates, and each update is less than1 MB in size.The agency has a fleet of on-premises application servers.These servers receive updates from the sensors, convert the raw data into a human readable format, and write the results to an on-premises relational database server.Data analysts then use simple SQL queries to monitor the data.The agency wants to increase overall application availability and reduce the effort that is required to perform maintenance tasks.These maintenance tasks, which include updates and patches to the application servers, cause downtime.While an application server is down, data is lost from sensors because the remaining servers cannot handle the entire workload.The agency wants a solution that optimizes operational overhead and costs.A solutions architect recommends the use of AWS IoT Core to collect the sensor data.What else should the solutions architect recommend to meet these requirements?Read More →

A company hosts an application on Amazon EC2 instance and needs to store files in Amazon S3.The files should never traverse the public internet, and only the application EC2 instances are granted access to a specific Amazon S3 bucket.A solutions architect has created a VPC endpoint for Amazon S3 and connected the endpoint to the application VPC.Which additional steps should the solutions architect take to meet these requirements?Read More →

A solutions architect is evaluating the reliability of a recently migrated application running on AWS.The front end is hosted on Amazon S3 and accelerated byAmazon CloudFront.The application layer is running in a stateless Docker container on an Amazon EC2 On-Demand Instance with an Elastic IP address.The storage layer is a MongoDB database running on an EC2 Reserved Instance in the same Availability Zone as the application layer.Which combination of steps should the solutions architect take to eliminate single points of failure with minimal application code changes? (Choose two.)Read More →

A company is planning to migrate its business-critical applications from an on-premises data center to AWS.The company has an on-premises installation of aMicrosoft SQL Server Always On cluster.The company wants to migrate to an AWS managed database service.A solutions architect must design a heterogeneous database migration on AWS.Which solution will meet these requirements?Read More →

A fleet of Amazon ECS instances is used to poll an Amazon SQS queue and update items in an Amazon DynamoDB database.Items in the table are not being updated, and the SQS queue is filling up.Amazon CloudWatch Logs are showing consistent 400 errors when attempting to update the table.The provisioned write capacity units are appropriately configured, and no throttling is occurring.What is the LIKELY cause of the failure?Read More →

A company provides auction services for artwork and has users across North America and Europe.The company hosts its application in Amazon EC2 instances in the us-east-1 Region.Artists upload photos of their work as large-size, high-resolution image files from their mobile phones to a centralized Amazon S3 bucket created in the us-east-1 Region.The users in Europe are reporting slow performance for their image uploads.How can a solutions architect improve the performance of the image upload process?Read More →

You have written a CloudFormation template that creates 1 Elastic Load Balancer fronting 2 EC2 Instances.Which section of the template should you edit so that the DNS of the load balancer is returned upon creation of the stack?Read More →

A retail company is hosting an ecommerce website on AWS across multiple AWS Regions.The company wants the website to be operational at all times for online purchases.The website stores data in an Amazon RDS for MySQL DB instance.Which solution will provide the HIGHEST availability for the database?Read More →

Amazon Elastic File System (EFS) provides information about the space used for an object by using the space _ used attribute of the Network File System Version4.1 (NFSv4.1).The attribute includes the object’s current metered data size and not the metadata size.Which of the following utilities will you use to measure the amount of disk that is used of a file?Read More →

A company has a project that is launching Amazon EC2 instances that are larger than required.The project’s account cannot be part of the company’s organization in AWS Organizations due to policy restrictions to keep this activity outside of corporate IT.The company wants to allow only the launch of t3.smallEC2 instances by developers in the project’s account.These EC2 instances must be restricted to the us-east-2 Region.What should a solutions architect do to meet these requirements?Read More →