Solutions Architect Professional (Page 107)

A company has several Amazon EC2 instances to both public and private subnets within a VPC that is not connected to the corporate network.A security group associated with the EC2 instances allows the company to use the Windows remote desktop protocol (RDP) over the internet to access the instances.The security team has noticed connection attempts from unknown sources.The company wants to implement a more secure solution to access the EC2 instances.Which strategy should a solutions architect implement?Read More →

A company has a Microsoft SQL Server database in its data center and plans to migrate data to Amazon Aurora MySQL.The company has already used the AWSSchema Conversion Tool to migrate triggers, stored procedures and other schema objects to Aurora MySQL.The database contains 1 TB of data and grows less than 1 MB per day.The company’s data center is connected to AWS through a dedicated 1Gbps AWS Direct Connect connection.The company would like to migrate data to Aurora MySQL and perform reconfigurations with minimal downtime to the applications.Which solution meets the company’s requirements?Read More →

An IoT company has rolled out a fleet of sensors for monitoring temperatures in remote locations.Each device connects to AWS IoT Core and sends a message30 seconds, updating an Amazon DynamoDB table.A System Administrator users AWS IoT to verify the devices are still sending messages to AWS IoT Core: the database is not updating.What should a Solutions Architect check to determine why the database is not being updated?Read More →

A company is planning on hosting its ecommerce platform on AWS using a multi-tier web application designed for a NoSQL database.The company plans to use the us-west-2 Region as its primary Region.The company wants to ensure that copies of the application and data are available in second Region, us-west-1, for disaster recovery.The company wants to keep the time to fail over as low as possible.Failing back to the primary Region should be possible without administrative interaction after the primary service is restored.Which design should the solutions architect use?Read More →

A solutions architect is migrating an existing workload to AWS Fargate.The task can only run in a private subnet within the VPC where there is no direct connectivity from outside the system to the application.When the Fargate task is launched, the task fails with the following error:CannotPullContainerError: API error (500): Get https://111122223333.dkr.ecr.us-east-1.amazonaws.com/v2/: net/http: request canceled while waiting for connectionHow should the solutions architect correct this error?Read More →

A company has developed a mobile game.The backend for the game runs on several virtual machines located in an on-premises data center.The business logic is exposed using a REST API with multiple functions.Player session data is stored in central file storage.Backend services use different API keys for throttling and to distinguish between live and test traffic.The load on the game backend varies throughout the day.During peak hours, the server capacity is not sufficient.There are also latency issues when fetching player session data.Management has asked a solutions architect to present a cloud architecture that can handle the game’s varying load and provide low-latency data access.The API model should not be changed.Which solution meets these requirements?Read More →

A company’s service for video game recommendations has just gone viral.The company has new users from all over the world.The website for the service is hosted on a set of Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB).The website consists of static content with different resources being loaded depending on the device type.Users recently reported that the load time for the website has increased.Administrators are reporting high loads on the EC2 instances that host the service.Which set actions should a solutions architect take to improve response times?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, andAWS 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 has automated the nightly retraining of its machine learning models by using AWS Step Functions.The workflow consists of multiple steps that useAWS Lambda.Each step can fail for various reasons, and any failure causes a failure of the overall workflow.A review reveals that the retraining has failed multiple nights in a row without the company noticing the failure.A solutions architect needs to improve the workflow so that notifications are sent for all types of failures in the retraining process.Which combination of steps should the solutions architect take to meet these requirements? (Choose three.)Read More →

A company is building a hybrid solution between its existing on-premises systems and a new backend in AWS.The company has a management application to monitor the state of its current IT infrastructure and automate responses to issues.The company wants to incorporate the status of its consumed AWS services into the application.The application uses an HTTPS endpoint to receive updates.Which approach meets these requirements with the LEAST amount of operational overhead?Read More →